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Alger Funds II, et al. – ‘485BPOS’ on 2/27/24 – ‘XML’

On:  Tuesday, 2/27/24, at 12:24pm ET   ·   Effective:  2/28/24   ·   Accession #:  1193125-24-47532   ·   File #s:  33-98102, 811-01743

Previous ‘485BPOS’:  ‘485BPOS’ on 4/6/23   ·   Latest ‘485BPOS’:  This Filing   ·   13 References:   

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/27/24  Alger Funds II                    485BPOS     2/28/24   32:17M                                    Donnelley … Solutions/FA
          → Alger Dynamic Opportunities Fund ⇒ 3 Classes/Contracts
          → Alger Emerging Markets Fund ⇒ 4 Classes/Contracts
          → Alger Responsible Investing Fund ⇒ 4 Classes/Contracts
          → Alger Spectra Fund ⇒ 5 Classes/Contracts

Post-Effective Amendment of a Form N-1 or N-1A Registration   —   Rule 485(b)

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 485BPOS     Alger Funds Ii                                      HTML   4.79M 
 7: EX-99.(D-4)  Miscellaneous Exhibit                              HTML     21K 
 8: EX-99.(D-9)  Miscellaneous Exhibit                              HTML     41K 
 9: EX-99.(G-1)  Miscellaneous Exhibit                              HTML    241K 
10: EX-99.(G-2)  Miscellaneous Exhibit                              HTML     31K 
11: EX-99.(H-13)  Miscellaneous Exhibit                             HTML    179K 
12: EX-99.(J)   Miscellaneous Exhibit                               HTML     11K 
13: EX-99.(P)   Miscellaneous Exhibit                               HTML    105K 
14: EX-99.(Q)   Miscellaneous Exhibit                               HTML     17K 
15: R1          Document and Entity Information                     HTML     67K 
16: R2          Risk/Return Detail Data- Alger Spectra Fund - AC    HTML    257K 
                (Class A C Shares)                                               
17: R3          Risk/Return Detail Data- Alger Responsible          HTML    255K 
                Investing Fund - AC (Class A C Shares)                           
18: R4          Risk/Return Detail Data- Alger Dynamic              HTML    274K 
                Opportunities Fund - AC (Class A C Shares)                       
19: R5          Risk/Return Detail Data- Alger Emerging Markets     HTML    269K 
                Fund - AC (Class A C Shares)                                     
20: R6          Risk/Return Detail Data- Alger Spectra Fund - I     HTML    219K 
                (Class I Shares)                                                 
21: R7          Risk/Return Detail Data- Alger Spectra Fund - Y     HTML    217K 
                (Class Y Shares)                                                 
22: R8          Risk/Return Detail Data- Alger Spectra Fund - Z     HTML    223K 
                (Class Z Shares)                                                 
23: R9          Risk/Return Detail Data- Alger Responsible          HTML    219K 
                Investing Fund - I (Class I Shares)                              
24: R10         Risk/Return Detail Data- Alger Responsible          HTML    208K 
                Investing Fund - Z (Class Z Shares)                              
25: R11         Risk/Return Detail Data- Alger Dynamic              HTML    235K 
                Opportunities Fund - Z (Class Z Shares)                          
26: R12         Risk/Return Detail Data- Alger Emerging Markets     HTML    230K 
                Fund - I (Class I Shares)                                        
27: R13         Risk/Return Detail Data- Alger Emerging Markets     HTML    228K 
                Fund - Z (Class Z Shares)                                        
28: R14         Risk/Return Detail Data                             HTML     17K 
29: XML         IDEA XML File -- Filing Summary                      XML     46K 
32: XML         XBRL Instance -- d749091d485bpos_htm                 XML   1.42M 
 3: EX-101.CAL  XBRL Calculations -- af-20240227_cal                 XML     22K 
 4: EX-101.DEF  XBRL Definitions -- af-20240227_def                  XML   2.67M 
 5: EX-101.LAB  XBRL Labels -- af-20240227_lab                       XML    537K 
 6: EX-101.PRE  XBRL Presentations -- af-20240227_pre                XML   2.52M 
 2: EX-101.SCH  XBRL Schema -- af-20240227                           XSD     65K 
30: JSON        XBRL Instance as JSON Data -- MetaLinks              175±   500K 
31: ZIP         XBRL Zipped Folder -- 0001193125-24-047532-xbrl      Zip   2.25M

‘XML’   —   XBRL Instance — d749091d485bpos_htm

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<rr:AnnualReturn2017 contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="d716da6f-321f-4a9c-9cd9-cf452659a81c" unitRef="pure"> 0.1726 </rr:AnnualReturn2017>
<rr:AnnualReturn2018 contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="x_2b899b3e-32ed-4c04-bf5f-b7fb01c9b988" unitRef="pure"> -0.0205 </rr:AnnualReturn2018>
<rr:AnnualReturn2019 contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="x_1b7db4fe-c211-41d1-8258-5a28b56ab1e2" unitRef="pure"> 0.1318 </rr:AnnualReturn2019>
<rr:AnnualReturn2020 contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="x_16d3e3c1-5972-437c-887d-d2c241a9743b" unitRef="pure"> 0.4758 </rr:AnnualReturn2020>
<rr:AnnualReturn2021 contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="x_01838d53-f47d-46a7-a62d-adf0549182d0" unitRef="pure"> 0.0418 </rr:AnnualReturn2021>
<rr:AnnualReturn2022 contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="e68f94b9-db59-41fc-a7e9-93c57b942859" unitRef="pure"> -0.1364 </rr:AnnualReturn2022>
<rr:AnnualReturn2023 contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="x_5df065de-5323-4bf0-ac6d-fe85b46c114d" unitRef="pure"> 0.0454 </rr:AnnualReturn2023>
<rr:AnnualReturn2019 contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="x_79e04642-eca8-427a-b5e3-61faa3c7b901" unitRef="pure"> 0.3273 </rr:AnnualReturn2019>
<rr:AnnualReturn2020 contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="x_568764b7-8ed2-4986-b5cc-a31ef4a848b5" unitRef="pure"> 0.4409 </rr:AnnualReturn2020>
<rr:AnnualReturn2021 contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="x_2c118eb5-4da1-4f88-8740-565c6ec5f151" unitRef="pure"> 0.1210 </rr:AnnualReturn2021>
<rr:AnnualReturn2022 contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="e6b4366a-647e-4b23-9da8-ad749e02d5e6" unitRef="pure"> -0.3908 </rr:AnnualReturn2022>
<rr:AnnualReturn2023 contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="x_0369196a-529f-4177-95a5-2df6618b6438" unitRef="pure"> 0.4190 </rr:AnnualReturn2023>
<rr:AnnualReturn2014 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="x_4c91436f-c72d-4c0a-819e-2d8f396c31b0" unitRef="pure"> -0.0498 </rr:AnnualReturn2014>
<rr:AnnualReturn2015 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="x_56fac0f5-d746-434c-b144-f5b6f7d6eb73" unitRef="pure"> -0.0762 </rr:AnnualReturn2015>
<rr:AnnualReturn2016 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="x_79e24a9e-2ee6-4206-aec9-e5b1d7ec6866" unitRef="pure"> 0.0242 </rr:AnnualReturn2016>
<rr:AnnualReturn2017 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="x_67c15b28-2454-434b-abc2-d981204fe19e" unitRef="pure"> 0.3870 </rr:AnnualReturn2017>
<rr:AnnualReturn2018 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="x_82f4a8b0-9f66-40ea-b11d-38fcaadc56c7" unitRef="pure"> -0.2185 </rr:AnnualReturn2018>
<rr:AnnualReturn2019 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="a19db746-4a41-4945-b224-f47f6d7aacb1" unitRef="pure"> 0.2189 </rr:AnnualReturn2019>
<rr:AnnualReturn2020 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="x_15ecc81d-43c3-4aec-8834-1d0836046dfc" unitRef="pure"> 0.3707 </rr:AnnualReturn2020>
<rr:AnnualReturn2021 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="fc4ef9f4-d606-4e01-8535-132c605409df" unitRef="pure"> -0.0254 </rr:AnnualReturn2021>
<rr:AnnualReturn2022 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="x_781feab8-c853-4c6a-8049-daade3f83952" unitRef="pure"> -0.3255 </rr:AnnualReturn2022>
<rr:AnnualReturn2023 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="c44c7555-fc76-4bc0-b7e3-a0ab45f9e7e2" unitRef="pure"> 0.1336 </rr:AnnualReturn2023>
<rr:AnnualReturn2014 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_55e48214-78dc-47ea-9926-a07f2a14173f" unitRef="pure"> 0.0396 </rr:AnnualReturn2014>
<rr:AnnualReturn2015 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_574fbfe4-ec37-4041-89c3-b17556874b4e" unitRef="pure"> 0.0185 </rr:AnnualReturn2015>
<rr:AnnualReturn2016 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_4aefe35a-7516-49c3-b494-8b10198a3b41" unitRef="pure"> -0.0026 </rr:AnnualReturn2016>
<rr:AnnualReturn2017 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_617e337a-68dc-4693-8b35-f2dbcda47604" unitRef="pure"> 0.1690 </rr:AnnualReturn2017>
<rr:AnnualReturn2018 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="af5d44d2-47f4-4824-8eed-fa1e14acb79f" unitRef="pure"> -0.0233 </rr:AnnualReturn2018>
<rr:AnnualReturn2019 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_2e136036-52e0-40bd-863f-8d9425a82237" unitRef="pure"> 0.1280 </rr:AnnualReturn2019>
<rr:AnnualReturn2020 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_720825ad-da37-4d88-96f4-ba631f5104df" unitRef="pure"> 0.4726 </rr:AnnualReturn2020>
<rr:AnnualReturn2021 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_81ab0838-2397-4c98-a065-ee8655de9b23" unitRef="pure"> 0.0390 </rr:AnnualReturn2021>
<rr:AnnualReturn2022 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="adb57356-0d43-442c-80be-44923973bdbd" unitRef="pure"> -0.1390 </rr:AnnualReturn2022>
<rr:AnnualReturn2023 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_791e53e8-6c1f-45f8-8f35-a3f8dbf5fd9d" unitRef="pure"> 0.0424 </rr:AnnualReturn2023>
<rr:AnnualReturn2015 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="x_5b912155-6457-4a1b-8012-0920f4cbd5c3" unitRef="pure"> -0.0729 </rr:AnnualReturn2015>
<rr:AnnualReturn2016 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="b3c27cea-ad34-4cb0-8b1f-8ba6c0ad2a07" unitRef="pure"> 0.0278 </rr:AnnualReturn2016>
<rr:AnnualReturn2017 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="af17a60a-7778-4675-bbc0-6a30ab955f04" unitRef="pure"> 0.3909 </rr:AnnualReturn2017>
<rr:AnnualReturn2018 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="fc04fdb6-9c4f-4640-b8fa-dd6643fae181" unitRef="pure"> -0.2138 </rr:AnnualReturn2018>
<rr:AnnualReturn2019 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="bbfb09de-f6d4-4ccb-9472-daae86be5a1b" unitRef="pure"> 0.2259 </rr:AnnualReturn2019>
<rr:AnnualReturn2020 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="x_414582e0-f2e1-4eb2-a03e-e24a739bf364" unitRef="pure"> 0.3769 </rr:AnnualReturn2020>
<rr:AnnualReturn2021 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="x_3b2e7cf8-4510-40c1-b5c0-20fbf5d7ad42" unitRef="pure"> -0.0199 </rr:AnnualReturn2021>
<rr:AnnualReturn2022 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="x_5fa394a2-6718-4973-9fd0-f07e0a306a97" unitRef="pure"> -0.3221 </rr:AnnualReturn2022>
<rr:AnnualReturn2023 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="x_057c5b78-f182-42b7-8bb1-600d4ea9052b" unitRef="pure"> 0.1402 </rr:AnnualReturn2023>
<rr:AnnualReturn2014 contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="c8ce7c34-e76f-445d-9dfc-f0b0b10f4861" unitRef="pure"> -0.0502 </rr:AnnualReturn2014>
<rr:AnnualReturn2015 contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="x_2c47e687-fde1-4b4c-85cb-d8699c6d0319" unitRef="pure"> -0.0761 </rr:AnnualReturn2015>
<rr:AnnualReturn2016 contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="d0995ca3-7f4f-43b2-81b4-23f3c1d8abd5" unitRef="pure"> 0.0243 </rr:AnnualReturn2016>
<rr:AnnualReturn2017 contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="ecd5cb4f-bb92-4e0a-94b6-9c50da7a6f03" unitRef="pure"> 0.3869 </rr:AnnualReturn2017>
<rr:AnnualReturn2018 contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="x_1f939862-75bc-40b2-a00f-08479f71fd40" unitRef="pure"> -0.2182 </rr:AnnualReturn2018>
<rr:AnnualReturn2019 contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="x_579f02f7-3198-416f-b0c9-38957549f5f8" unitRef="pure"> 0.2196 </rr:AnnualReturn2019>
<rr:AnnualReturn2020 contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="f0ed9a95-fc8e-4ab9-b186-18c6b7c9d0d4" unitRef="pure"> 0.3717 </rr:AnnualReturn2020>
<rr:AnnualReturn2021 contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="e69d2002-76e6-4504-8a52-fd6dad8ed08a" unitRef="pure"> -0.0248 </rr:AnnualReturn2021>
<rr:AnnualReturn2022 contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="c08f23c9-79e5-45a4-864d-6a912d2f538f" unitRef="pure"> -0.3252 </rr:AnnualReturn2022>
<rr:AnnualReturn2023 contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="x_6e959b04-7d73-4b80-97aa-c1f447675ef1" unitRef="pure"> 0.1349 </rr:AnnualReturn2023>
<rr:AnnualReturn2014 contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="c3b039cc-6273-4958-9275-5f4ff8d2255c" unitRef="pure"> 0.0480 </rr:AnnualReturn2014>
<rr:AnnualReturn2015 contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="x_4d0b3478-ebf0-4baf-8e90-38aeec49e1f0" unitRef="pure"> 0.0259 </rr:AnnualReturn2015>
<rr:AnnualReturn2016 contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="b48ed204-5cd9-4b03-935f-dc9a1dc8f791" unitRef="pure"> 0.0199 </rr:AnnualReturn2016>
<rr:AnnualReturn2017 contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="x_6f0b8156-5f5c-4c13-88b8-93633c601684" unitRef="pure"> 0.2734 </rr:AnnualReturn2017>
<rr:AnnualReturn2018 contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="x_9af6022a-29cb-47cb-9d0b-128dd0befcf4" unitRef="pure"> -0.0168 </rr:AnnualReturn2018>
<rr:AnnualReturn2019 contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="da5373e2-ab34-406d-bdf2-4c8fb0518c9b" unitRef="pure"> 0.3398 </rr:AnnualReturn2019>
<rr:AnnualReturn2020 contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="b2db3724-0bd3-4323-bf22-175f68911978" unitRef="pure"> 0.3566 </rr:AnnualReturn2020>
<rr:AnnualReturn2021 contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="ec5e1b95-ec74-4bb0-8b45-904202e37485" unitRef="pure"> 0.2391 </rr:AnnualReturn2021>
<rr:AnnualReturn2022 contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="f1e0af87-87e8-41b4-aa11-736e64ef64dd" unitRef="pure"> -0.3078 </rr:AnnualReturn2022>
<rr:AnnualReturn2023 contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="x_16072041-427d-4dc8-b990-83a8dc8c3cae" unitRef="pure"> 0.3674 </rr:AnnualReturn2023>
<rr:AnnualReturn2014 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="x_3e059669-e0ed-40ea-956d-da4c8672d0be" unitRef="pure"> 0.1228 </rr:AnnualReturn2014>
<rr:AnnualReturn2015 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="x_8d24f2e7-193d-4598-948c-1701f86f1f21" unitRef="pure"> 0.0708 </rr:AnnualReturn2015>
<rr:AnnualReturn2016 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="a6f143ea-bed7-4f67-9b8f-2993b0844214" unitRef="pure"> -0.0018 </rr:AnnualReturn2016>
<rr:AnnualReturn2017 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="ef6d8410-85a0-4dbc-bb5a-f661fd1e7c50" unitRef="pure"> 0.3103 </rr:AnnualReturn2017>
<rr:AnnualReturn2018 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="x_9d1780e4-e6af-41a5-ad06-13497bcd7fdd" unitRef="pure"> -0.0088 </rr:AnnualReturn2018>
<rr:AnnualReturn2019 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="d23dc645-0530-441f-a8d4-d53a4e88cb90" unitRef="pure"> 0.3215 </rr:AnnualReturn2019>
<rr:AnnualReturn2020 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="x_8d443cd6-0b9e-4147-b48c-bc13a7332dd9" unitRef="pure"> 0.4358 </rr:AnnualReturn2020>
<rr:AnnualReturn2021 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="beebd073-c1f3-45ae-9213-9a7d6a7e551d" unitRef="pure"> 0.1174 </rr:AnnualReturn2021>
<rr:AnnualReturn2022 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="d5198a91-c6ec-49c4-928c-7d81b46d3a8b" unitRef="pure"> -0.3933 </rr:AnnualReturn2022>
<rr:AnnualReturn2023 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="x_8ccccf5a-5bb9-4238-9d90-76de236a4d4d" unitRef="pure"> 0.4134 </rr:AnnualReturn2023>
<rr:AnnualReturn2017 contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="x_998665b5-dd3b-4eb1-bfcc-0529062fb824" unitRef="pure"> 0.2796 </rr:AnnualReturn2017>
<rr:AnnualReturn2018 contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="x_0a1dba41-f006-44bc-bc33-2f9b0c205f51" unitRef="pure"> -0.0126 </rr:AnnualReturn2018>
<rr:AnnualReturn2019 contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="x_63f6b6b4-ee56-4b9f-8694-00a179cee045" unitRef="pure"> 0.3451 </rr:AnnualReturn2019>
<rr:AnnualReturn2020 contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="x_5165a8d2-0b58-4bc0-8fb8-a074982136ec" unitRef="pure"> 0.3622 </rr:AnnualReturn2020>
<rr:AnnualReturn2021 contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="x_0d3e60aa-7f60-4d78-b33f-ba9fce1324ed" unitRef="pure"> 0.2436 </rr:AnnualReturn2021>
<rr:AnnualReturn2022 contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="x_1961ec95-6962-4743-8d51-a5edddbd6231" unitRef="pure"> -0.3052 </rr:AnnualReturn2022>
<rr:AnnualReturn2023 contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="x_8eda2157-b507-4684-aafe-ad2afdefa26e" unitRef="pure"> 0.3722 </rr:AnnualReturn2023>
<rr:FeeWaiverOrReimbursementOverAssets contextRef="ClassACSharesMember_S000014607_C000068369" id="x_9c85943d-2e71-4bd7-a8af-4f982bdc3fb7" unitRef="pure" xsi:nil="true"/>
<rr:NetExpensesOverAssets contextRef="ClassACSharesMember_S000014607_C000068369" id="e72c774f-b88e-4bd0-ac2f-8ea7a2ce0d89" unitRef="pure" xsi:nil="true"/>
<rr:AnnualReturn2014 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="b921cb12-f62d-4906-a308-6fe85c383cb9" unitRef="pure"> 0.0479 </rr:AnnualReturn2014>
<rr:AnnualReturn2015 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_2eaec115-9735-4504-a92a-f00c170636e7" unitRef="pure"> 0.0247 </rr:AnnualReturn2015>
<rr:AnnualReturn2016 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_2fc32636-0605-4539-95fc-61a4a122b534" unitRef="pure"> 0.0199 </rr:AnnualReturn2016>
<rr:AnnualReturn2017 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_47716201-8473-43e5-bb98-3af21d7916f6" unitRef="pure"> 0.2744 </rr:AnnualReturn2017>
<rr:AnnualReturn2018 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="ffc03f6f-8e56-4a1b-b00b-1b8eecee83bd" unitRef="pure"> -0.0167 </rr:AnnualReturn2018>
<rr:AnnualReturn2019 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="f785ef3b-54ba-4b1e-a94c-ba426966e420" unitRef="pure"> 0.3391 </rr:AnnualReturn2019>
<rr:AnnualReturn2020 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="e38e116c-4cd7-46b1-b7c1-9538029b2718" unitRef="pure"> 0.3577 </rr:AnnualReturn2020>
<rr:AnnualReturn2021 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_40c77e54-f072-4799-a749-91f886ab082b" unitRef="pure"> 0.2391 </rr:AnnualReturn2021>
<rr:AnnualReturn2022 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_3a081c6f-dcad-4952-b036-f6d2a5c6e68d" unitRef="pure"> -0.3080 </rr:AnnualReturn2022>
<rr:AnnualReturn2023 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_0ca711b7-d200-4d4a-8091-bad41127982b" unitRef="pure"> 0.3673 </rr:AnnualReturn2023>
<rr:AnnualReturn2014 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="b236bcba-ce7e-4834-9261-771371647efa" unitRef="pure"> 0.1260 </rr:AnnualReturn2014>
<rr:AnnualReturn2015 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="x_3b74635a-a4d6-4bde-bf85-f2486b8e4dbf" unitRef="pure"> 0.0741 </rr:AnnualReturn2015>
<rr:AnnualReturn2016 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="x_27ae2a30-c719-4d52-96fd-fe32b33bca82" unitRef="pure"> 0.0017 </rr:AnnualReturn2016>
<rr:AnnualReturn2017 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="x_2f037871-1e74-4584-b57b-6eea6528e10e" unitRef="pure"> 0.3147 </rr:AnnualReturn2017>
<rr:AnnualReturn2018 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="e0445a6e-5148-4647-a369-b6f5c6383d93" unitRef="pure"> -0.0057 </rr:AnnualReturn2018>
<rr:AnnualReturn2019 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="x_1f400661-f0f7-482b-b43c-7d903be1e3a6" unitRef="pure"> 0.3261 </rr:AnnualReturn2019>
<rr:AnnualReturn2020 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="x_4d5b7baf-5dea-4d77-947d-8b85859637bf" unitRef="pure"> 0.4398 </rr:AnnualReturn2020>
<rr:AnnualReturn2021 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="df7c9fca-4528-48ef-9346-de591bcc7678" unitRef="pure"> 0.1211 </rr:AnnualReturn2021>
<rr:AnnualReturn2022 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="e45f47e6-903e-407f-a1e1-8849a185b813" unitRef="pure"> -0.3914 </rr:AnnualReturn2022>
<rr:AnnualReturn2023 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="e413e606-915d-4161-bdf5-749deac642d9" unitRef="pure"> 0.4181 </rr:AnnualReturn2023>
<dei:DocumentCreationDate contextRef="D_01Mar2024_01Mar2024" id="apid_71a37df1-a1b1-425f-a661-27305eab8e17"> 2024-02-27 </dei:DocumentCreationDate>
<dei:EntityInvCompanyType contextRef="D_01Mar2024_01Mar2024" id="apid_ceaeb61e-2b5e-4cf3-9778-e85d918b6460"> N-1A </dei:EntityInvCompanyType>
<dei:EntityRegistrantName contextRef="D_01Mar2024_01Mar2024" id="apid_a715c3c3-c6cc-4fba-b9b0-ef7f3e348a78"> THE ALGER FUNDS II </dei:EntityRegistrantName>
<dei:DocumentEffectiveDate contextRef="D_01Mar2024_01Mar2024" id="apid_ffd3a295-5eb4-48d1-8d1c-4cea4805c50f"> 2024-02-28 </dei:DocumentEffectiveDate>
<rr:ProspectusDate contextRef="D_01Mar2024_01Mar2024" id="apid_b38f93e7-a462-4b1a-b968-cc2d27e1ebbb"> 2024-03-01 </rr:ProspectusDate>
<rr:RiskReturnHeading contextRef="ClassACSharesMember_S000009190" id="ea290bac-9df7-4f5e-ad06-61127e6cd75c">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Alger Spectra Fund</span>
</rr:RiskReturnHeading>
<rr:ObjectiveHeading contextRef="ClassACSharesMember_S000009190" id="x_37df98bd-9a3d-4438-9e5c-abd8a4c5f02b">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span>
</rr:ObjectiveHeading>
<rr:ObjectivePrimaryTextBlock contextRef="ClassACSharesMember_S000009190" id="d9b5010f-a980-4e22-af3c-d381a4a5bea5">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Alger Spectra Fund seeks long-term capital appreciation.</span>
</rr:ObjectivePrimaryTextBlock>
<rr:ExpenseHeading contextRef="ClassACSharesMember_S000009190" id="x_31fe6374-1c5d-45f9-b170-603d4cdc6df3">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Fund Fees and Expenses</span>
</rr:ExpenseHeading>
<rr:ExpenseNarrativeTextBlock contextRef="ClassACSharesMember_S000009190" id="de797e9f-95f8-482c-bfc2-b5f8ebd2c89c">
<span style="color:#262626;font-family:Arial;font-size:9pt;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. </span><span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least </span><span style="color:#262626;font-family:Arial;font-size:9pt;">$25,000</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> in Class A Shares of the Alger Family of Funds, including the Fund.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> More information about these and other discounts is </span><span style="color:#262626;font-family:Arial;font-size:9pt;">available from your financial professional and in “Purchasing and Redeeming Fund Shares” on page 34 and in Appendix A – Waivers and Discounts Available from Intermediaries on page A-1 in the Fund’s Prospectus, and in the sections “Right of Accumulation (Class A Shares)” and “Letter of Intent (Class A)” on page 39 of the Fund’s Statement of Additional Information.</span>
</rr:ExpenseNarrativeTextBlock>
<rr:ExpenseBreakpointDiscounts contextRef="ClassACSharesMember_S000009190" id="x_3b9d19de-3d3d-4b77-b709-7c4ab3742eae">
<span style="color:#262626;font-family:Arial;font-size:9pt;">You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least </span><span style="color:#262626;font-family:Arial;font-size:9pt;">$25,000</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> in Class A Shares of the Alger Family of Funds, including the Fund.</span><span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $2 billion is .90%, for assets between $2 billion and $4 billion is .75%, for assets between $4 billion and $6 billion is .65%, for assets between $6 billion and $8 billion is .55%, and for assets in excess of $8 billion is .45%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023</span><span style="color:#262626;font-family:Arial;font-size:8pt;">was .85%.</span>
</rr:ExpenseBreakpointDiscounts>
<rr:ExpenseBreakpointMinimumInvestmentRequiredAmount contextRef="ClassACSharesMember_S000009190" decimals="INF" id="f4f8ba1c-16de-4cd2-9d4a-4e4f3513ae02" unitRef="USD"> 25000 </rr:ExpenseBreakpointMinimumInvestmentRequiredAmount>
<rr:ShareholderFeesCaption contextRef="ClassACSharesMember_S000009190" id="x_86ff383b-03e1-455b-a70a-bfdf8b9100c4">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Shareholder Fees</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(fees paid directly from your investment)</span>
</rr:ShareholderFeesCaption>
<rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="x_71610417-bbaf-44be-96b2-aecc18428377" unitRef="pure"> 0.0525 </rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
<rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice contextRef="ClassACSharesMember_S000009190_C000068367" decimals="4" id="aabc5165-e971-4646-80b2-13251b2b1dc0" unitRef="pure"> 0 </rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
<rr:MaximumDeferredSalesChargeOverOfferingPrice contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="x_51ea2ec8-1c91-4a75-a932-0faaab896881" unitRef="pure"> 0 </rr:MaximumDeferredSalesChargeOverOfferingPrice>
<rr:MaximumDeferredSalesChargeOverOfferingPrice contextRef="ClassACSharesMember_S000009190_C000068367" decimals="4" id="fefbd5ca-4275-478d-b232-106f5e56016a" unitRef="pure"> 0.0100 </rr:MaximumDeferredSalesChargeOverOfferingPrice>
<rr:OperatingExpensesCaption contextRef="ClassACSharesMember_S000009190" id="x_6194e08d-ded9-4ef1-832c-c8486bcb9390">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Annual Fund Operating Expenses</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(expenses that you pay each year as a percentage of the value of your investment)</span>
</rr:OperatingExpensesCaption>
<rr:ManagementFeesOverAssets contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="x_0a851e7b-1425-4859-97dd-b9aae5652c14" unitRef="pure"> 0.0085 </rr:ManagementFeesOverAssets>
<rr:ManagementFeesOverAssets contextRef="ClassACSharesMember_S000009190_C000068367" decimals="4" id="dc982b64-cc88-4943-ae6f-ecf0bcce1e2c" unitRef="pure"> 0.0085 </rr:ManagementFeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="a1f0a46a-12b2-4d65-852c-17247288a8e3" unitRef="pure"> 0.0025 </rr:DistributionAndService12b1FeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassACSharesMember_S000009190_C000068367" decimals="4" id="c7a0ed38-fbcd-4c86-a9fd-1d883e655f3a" unitRef="pure"> 0.0100 </rr:DistributionAndService12b1FeesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="x_80b42f79-4d91-4950-9a78-3b7b12048b47" unitRef="pure"> 0.0040 </rr:OtherExpensesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassACSharesMember_S000009190_C000068367" decimals="4" id="c585b6e9-bc9b-4787-b57e-5e3abfb3937c" unitRef="pure"> 0.0044 </rr:OtherExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="cdeec01f-3b01-4ace-83c0-5268cd4276dd" unitRef="pure"> 0.0150 </rr:ExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassACSharesMember_S000009190_C000068367" decimals="4" id="x_886ded7f-20a3-4b99-bbd4-0fde0c260df6" unitRef="pure"> 0.0229 </rr:ExpensesOverAssets>
<rr:ExpensesDeferredChargesTextBlock contextRef="ClassACSharesMember_S000009190" id="x_8fe69e12-3c7f-4585-9bdd-ab0736f42020">
<span style="color:#262626;font-family:Arial;font-size:8pt;">Purchases of $1 million or more of Class A Shares at net asset value may be subject to a contingent deferred sales charge of 1.00% on redemptions made within 12 months of purchase.</span>
</rr:ExpensesDeferredChargesTextBlock>
<rr:ExpenseExampleHeading contextRef="ClassACSharesMember_S000009190" id="x_2b2e1ae3-29d0-455b-b8c9-c95ef3fef641">
<span style="color:#0065D2;font-family:Arial;font-size:9pt;font-weight:bold;">Example</span>
</rr:ExpenseExampleHeading>
<rr:ExpenseExampleNarrativeTextBlock contextRef="ClassACSharesMember_S000009190" id="e9265847-fb71-4c1f-8350-f26d4af07928">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The examples assume that you invest $10,000 in the Fund for the time periods indicated, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions you would pay the following expenses if you redeemed your shares at the end of each period:</span>
</rr:ExpenseExampleNarrativeTextBlock>
<rr:ExpenseExampleYear01 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="INF" id="e868d64b-7cb9-4082-934e-5cb6eed0e33e" unitRef="USD"> 670 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="INF" id="x_60925b54-fa57-4b2e-8a5f-537d29c3bd3e" unitRef="USD"> 974 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="INF" id="x_5dfeeaba-33f0-4ad3-bd71-47d5f6c32f2b" unitRef="USD"> 1300 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="INF" id="b6c63bbe-05a7-430b-a0c5-5a1b9b407b62" unitRef="USD"> 2221 </rr:ExpenseExampleYear10>
<rr:ExpenseExampleYear01 contextRef="ClassACSharesMember_S000009190_C000068367" decimals="INF" id="x_6dc41786-c863-4ddb-af6c-924722c3fd7c" unitRef="USD"> 332 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassACSharesMember_S000009190_C000068367" decimals="INF" id="x_4a19af57-c6af-4bb2-b7ea-0d3e59cb9c2c" unitRef="USD"> 715 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassACSharesMember_S000009190_C000068367" decimals="INF" id="x_95f331d0-1c61-41dc-ab5c-c8167adec409" unitRef="USD"> 1225 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassACSharesMember_S000009190_C000068367" decimals="INF" id="x_41ab7b36-ae10-4d9a-a778-a89d49ce01cd" unitRef="USD"> 2625 </rr:ExpenseExampleYear10>
<rr:ExpenseExampleNoRedemptionByYearCaption contextRef="ClassACSharesMember_S000009190" id="x_792ba10b-4c4d-425c-aba4-1c6de7138844">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;margin-left:36pt;">You would pay the following expenses if you did not redeem your shares:</span>
</rr:ExpenseExampleNoRedemptionByYearCaption>
<rr:ExpenseExampleNoRedemptionYear01 contextRef="ClassACSharesMember_S000009190_C000068367" decimals="INF" id="x_84a6fd5c-36af-494a-bd10-c705a380862d" unitRef="USD"> 232 </rr:ExpenseExampleNoRedemptionYear01>
<rr:ExpenseExampleNoRedemptionYear03 contextRef="ClassACSharesMember_S000009190_C000068367" decimals="INF" id="e5d25c14-374a-44c8-9ebb-33cbb9fffc4f" unitRef="USD"> 715 </rr:ExpenseExampleNoRedemptionYear03>
<rr:ExpenseExampleNoRedemptionYear05 contextRef="ClassACSharesMember_S000009190_C000068367" decimals="INF" id="x_9cec9511-f752-4692-a698-349504afe391" unitRef="USD"> 1225 </rr:ExpenseExampleNoRedemptionYear05>
<rr:ExpenseExampleNoRedemptionYear10 contextRef="ClassACSharesMember_S000009190_C000068367" decimals="INF" id="x_45f92433-3464-4b02-abf3-d449c385dc31" unitRef="USD"> 2625 </rr:ExpenseExampleNoRedemptionYear10>
<rr:PortfolioTurnoverHeading contextRef="ClassACSharesMember_S000009190" id="x_05beb489-d136-4520-afd4-ee61887ee9e1">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Portfolio Turnover</span>
</rr:PortfolioTurnoverHeading>
<rr:PortfolioTurnoverTextBlock contextRef="ClassACSharesMember_S000009190" id="ea8f66f2-17ff-4e52-ad45-7491d599ac19">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was </span><span style="color:#262626;font-family:Arial;font-size:9pt;">59.63</span><span style="color:#262626;font-family:Arial;font-size:9pt;">% of the average value of its portfolio.</span>
</rr:PortfolioTurnoverTextBlock>
<rr:PortfolioTurnoverRate contextRef="ClassACSharesMember_S000009190" decimals="4" id="x_99c21773-c66d-4917-841d-5ed547afd6e9" unitRef="pure"> 0.5963 </rr:PortfolioTurnoverRate>
<rr:StrategyHeading contextRef="ClassACSharesMember_S000009190" id="x_6a42691c-bb6b-4e35-86c5-acfb207f54df">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Investment Strategy</span>
</rr:StrategyHeading>
<rr:StrategyNarrativeTextBlock contextRef="ClassACSharesMember_S000009190" id="x_97a4dfb5-e372-4354-89a0-39725f3a680c">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Manager believes companies undergoing Positive Dynamic Change offer the best opportunities. Positive Dynamic Change refers to companies realizing High Unit Volume Growth or companies undergoing Positive Lifecycle Change. High Unit Volume Growth companies are traditional growth companies experiencing, for example, rapidly growing demand or market dominance. Positive Lifecycle Change companies are, for example, companies benefitting from new regulations, a new product innovation or new management.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests primarily in the equity securities of companies of any size that the Manager believes demonstrate promising growth potential. Equity securities include common or preferred stocks that are listed on U.S. or foreign exchanges.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell securities short, which is the sale of a security the Fund does not own either to hedge a portfolio position or to seek to profit on the decline in value of the securities sold. The Fund arranges with a broker to borrow the security being sold short, and replaces the security by buying it at the current market price when it closes out the short sale. If the price of the security sold short has increased since the time of the short sale, the Fund will incur a loss in addition to the costs associated with establishing, maintaining and closing out the short position. If the price of the security sold short has decreased since the time of the short sale, the Fund will experience a gain to the extent the difference in price is greater than these costs. The Fund will not make a short sale if, after giving effect to such sale, the market value of all securities sold short exceeds 10% of the value of its net assets.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may invest a significant portion of its assets in securities of companies conducting business within a single sector, as defined by third party sources, including the information technology, consumer discretionary, health care, and communication services sectors.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund can leverage, that is, borrow money to purchase additional securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell a stock when it reaches a target price, it fails to perform as expected, or other opportunities appear more attractive. As a result, the Fund may engage in active trading of portfolio securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund can invest in foreign securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in cash (and cash equivalents) when the Fund is unable to find enough attractive long-term investments to meet its investment objective, to meet redemptions and/or when the Manager believes it is advisable to do so during times of short-term market volatility. During these times, cash (and cash equivalents) will not exceed 15% of the Fund’s net assets.</span>
</rr:StrategyNarrativeTextBlock>
<rr:RiskHeading contextRef="ClassACSharesMember_S000009190" id="x_573c2e90-d1d5-46f4-aea1-f4a83ed80c51">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Risks</span>
</rr:RiskHeading>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_RiskLoseMoneyMember" id="a257b4a4-50ff-4393-a2ba-40997ae0303b">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s share price may go down, which means you could lose money.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_RiskNotInsuredDepositoryInstitutionMember" id="e6993283-8529-4146-a72b-0ad8300985b5">
<span style="color:#262626;font-family:Arial;font-size:9pt;">An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_InvestmentRiskMember" id="c9037be9-24e6-49b2-afe2-174697361695">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Investment Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_MarketRiskMember" id="x_6f297508-65d4-4ebe-af79-c70fd0daafcd">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Market Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Your investment in Fund shares represents an indirect investment in the securities owned by the Fund. The value of these securities, like other investments, may move up or down, sometimes rapidly and unpredictably. Your Fund shares at any point in time may be worth less than what you invested, even after taking into account the reinvestment of Fund dividends and distributions. Local, regional or global events such as environmental or natural disasters, war, terrorism, pandemics, outbreaks of infectious diseases, and similar public health threats, recessions, or other events could have a significant impact on the Fund and its investments.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_EquitySecuritiesRiskMember" id="ae8b0191-86c4-4727-acd5-4900a29939b6">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Equity Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> As with any fund that invests in stocks, your investment will fluctuate in value, and the loss of your investment is a risk of investing. The Fund’s price per share will fluctuate due to changes in the market prices of its investments. Also, the Fund’s investments may not grow as fast as the rate of inflation and stocks tend to be more volatile than some other investments you could make, such as bonds.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_GrowthSecuritiesRiskMember" id="d029bc25-ea43-4df3-8db4-8cf2bcedb8b9">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Growth Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prices of growth stocks tend to be higher in relation to their companies’ earnings and may be more sensitive to market, political and economic developments than other stocks, making their prices more volatile. An investment in the Fund may be better suited to investors who seek long-term capital growth and can tolerate fluctuations in their investment’s value.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_ShortSalesRiskMember" id="x_3c346418-0780-4d11-9919-eda3ef883770">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Short Sales Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because making short sales in securities that it does not own exposes the Fund to the risks associated with those securities, such short sales involve speculative exposure risk. The market price of a security may increase after the Fund borrows the security in order to sell it short, so that the Fund suffers a loss when it replaces the borrowed security at the higher price. The use of short sales could increase the Fund’s exposure to the market, magnifying losses and increasing volatility. Short sale transactions involve leverage because they can provide investment exposure in an amount exceeding the initial investment. Although the Fund’s gain is limited to the amount at which it sold a security short, its potential loss is limited only by the maximum attainable price of the security, less the price at which the security was sold and may, theoretically, be unlimited.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_SectorRiskMember" id="f519e447-b3e3-4c75-b1b4-3bfa82fcc246">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Sector Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may have a significant portion of its assets invested in securities of companies conducting business within a single sector, as defined by third party sources. Companies in the same sector may be similarly affected by economic, regulatory, political or market events or conditions, which may make the Fund more vulnerable to unfavorable developments in that sector than a fund that has a more diversified portfolio. Generally, the more broadly the Fund invests, the more it spreads risk and potentially reduces the risks of loss and volatility.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_InformationTechnologySectorRiskMember" id="b3754444-c5cd-446e-ade0-d8c15862bc6f">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Information Technology Sector Risk – The Fund may have a significant portion of its assets invested in securities of technology-related companies. Therefore, the Fund may be more susceptible to particular risks that may affect companies in the information technology sector and technology-related sectors than if it were invested in a wider variety of companies in unrelated sectors. At times, the performance of such companies will lag the performance of other industries or the broader market as a whole. Certain technology related companies may face special risks that their products or services may not prove to be commercially successful. Technology related companies are also strongly affected by worldwide scientific or technological developments. As a result, their products may rapidly become obsolete. Such companies are also often subject to governmental regulation and may, therefore, be adversely affected by governmental policies. These factors may lead to limited earnings and/or failing profit margins. As a result, the value of technology related companies’ securities may fall or fail to rise. Many technology related companies’ securities have historically been more volatile than other securities, especially over the short term.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_ConsumerDiscretionarySectorRiskMember" id="x_1135de5c-8b69-4095-acb7-2280bba3c3a0">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Consumer Discretionary Sector Risk – The consumer discretionary sector may be affected by changes in domestic and international economies, exchange and interest rates, competition, consumers’ disposable income, consumer preferences, social trends and marketing campaigns.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_HealthCareSectorRiskMember" id="x_445865bc-df65-4265-b8f8-71cb2fc7724e">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Health Care Sector Risk – The Fund may have a significant portion of its assets invested in securities of healthcare companies. At times, the performance of healthcare companies will lag the performance of other industries or the broader market as a whole, and the performance of such companies may be more volatile. Healthcare companies may also be significantly affected by intense competition, aggressive pricing, government regulation, technological innovations, product obsolescence, patent considerations, product compatibility and consumer preferences.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_CommunicationServicesSectorRiskMember" id="x_2a1909ea-f93d-4c33-b9cd-b33ef641d66b">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Communication Services Sector Risk – Communication services companies are particularly vulnerable to the potential obsolescence of products and services due to technological advancement and the innovation of competitors. Companies in the communication services sector may also be affected by other competitive pressures, such as pricing competition, as well as research and development costs, substantial capital requirements and government regulation. Additionally, fluctuating domestic and international demand, shifting demographics and often unpredictable changes in consumer tastes can drastically affect a communication services company’s profitability. While all companies may be susceptible to network security breaches, certain companies in the communication services sector may be particular targets of hacking and potential theft of proprietary or consumer information or disruptions in service, which could have a material adverse effect on their businesses.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_ForeignSecuritiesRiskMember" id="x_6f3164f5-e4ab-4d2c-a82b-340449087030">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Foreign Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund’s performance will be influenced by political, social and economic factors affecting investments in foreign companies. Special risks associated with investments in foreign companies include exposure to currency fluctuations, lack of liquidity, potential for market manipulation, less developed or less efficient trading markets, limited access to reliable capital, lack of comprehensive company information, political instability, differing audit, regulatory, and legal standards and lack of financial reporting standards.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_LeverageRiskMember" id="ebdb4114-0dc1-4c83-8ad5-1e040f48452e">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Leverage Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The cost of borrowing money to leverage may exceed the returns for the securities purchased or the securities purchased may actually go down in value; thus, the Fund’s net asset value may decrease more quickly than if the Fund had not borrowed.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_PortfolioTurnoverActiveTradingRiskMember" id="c421cfe6-a458-4875-898f-05cdc67f8606">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Portfolio Turnover (Active Trading) Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because the Fund may engage in active trading of portfolio securities, it may incur increased transaction costs and brokerage commissions, both of which can lower the actual return on an investment. Active trading may also increase short-term gains and losses, which may affect the taxes a shareholder has to pay.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000009190_CashPositionRiskMember" id="x_9f5e7054-9ffc-42e6-971d-39a124e2aaac">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Cash Position Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> At times, the Fund may hold up to 15% of its net assets in cash (and cash equivalents), which may underperform relative to equity securities.</span>
</rr:RiskTextBlock>
<rr:BarChartAndPerformanceTableHeading contextRef="ClassACSharesMember_S000009190" id="e9edc4a6-7104-4b16-bdde-951ab3159ca3">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Performance</span>
</rr:BarChartAndPerformanceTableHeading>
<rr:PerformanceNarrativeTextBlock contextRef="ClassACSharesMember_S000009190" id="x_970c6ebb-7c39-40f1-81fb-df934307b532">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Performance in the bar chart does not reflect the effect of the sales charge imposed on purchases of Class A Shares of the Fund. If the bar chart reflected the applicable sales charges, returns would be less than those shown.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and after taxes) is not necessarily an indication of </span><span style="color:#262626;font-family:Arial;font-size:9pt;">how it will perform in the future.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Updated performance information is available on the Fund’s website </span><span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span><span style="color:#262626;font-family:Arial;font-size:9pt;">.</span>
</rr:PerformanceNarrativeTextBlock>
<rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="ClassACSharesMember_S000009190" id="x_7c26893d-1360-45d1-817b-4fc2b8d30456">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span>
</rr:PerformanceInformationIllustratesVariabilityOfReturns>
<rr:BarChartDoesNotReflectSalesLoads contextRef="ClassACSharesMember_S000009190" id="x_8a6ed64e-72f1-4de2-8aff-aaba0dbfbc2d">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Performance in the bar chart does not reflect the effect of the sales charge imposed on purchases of Class A Shares of the Fund. If the bar chart reflected the applicable sales charges, returns would be less than those shown.</span>
</rr:BarChartDoesNotReflectSalesLoads>
<rr:PerformancePastDoesNotIndicateFuture contextRef="ClassACSharesMember_S000009190" id="x_65a95855-6e46-4cc8-bd5c-1f7c55585fed">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and after taxes) is not necessarily an indication of </span><span style="color:#262626;font-family:Arial;font-size:9pt;">how it will perform in the future.</span>
</rr:PerformancePastDoesNotIndicateFuture>
<rr:PerformanceAvailabilityWebSiteAddress contextRef="ClassACSharesMember_S000009190" id="fb12cae2-4597-41b3-9b86-ff10243be764">
<span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span>
</rr:PerformanceAvailabilityWebSiteAddress>
<rr:BarChartHeading contextRef="ClassACSharesMember_S000009190" id="x_4aea294c-0a41-4ba3-a14f-78394e9c5926">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;">Annual Total Return for Class A Shares</span><span style="color:#262626;font-family:Arial;font-size:10pt;line-height:11.86pt;"> </span><span style="color:#262626;font-family:Arial;font-size:10pt;font-style:italic;">as of December 31 (%)</span>
</rr:BarChartHeading>
<rr:BarChartClosingTextBlock contextRef="ClassACSharesMember_S000009190" id="ab6791ef-bf34-47d8-a4fa-c006e5644df6">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">29.93%</span><span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2022</span><span style="color:#262626;font-family:Arial;font-size:8pt;">-23.94%</span>
</rr:BarChartClosingTextBlock>
<rr:HighestQuarterlyReturnLabel contextRef="ClassACSharesMember_S000009190_C000024978" id="af93ceb4-bf8c-4884-ad51-e288b3477c23">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span>
</rr:HighestQuarterlyReturnLabel>
<rr:BarChartHighestQuarterlyReturnDate contextRef="ClassACSharesMember_S000009190_C000024978" id="af3c28de-2f18-4c09-9eb9-0283fabf227c"> 2020-06-30 </rr:BarChartHighestQuarterlyReturnDate>
<rr:BarChartHighestQuarterlyReturn contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="x_912c1e24-1f6d-4397-97ee-a0ba8ee9689a" unitRef="pure"> 0.2993 </rr:BarChartHighestQuarterlyReturn>
<rr:LowestQuarterlyReturnLabel contextRef="ClassACSharesMember_S000009190_C000024978" id="x_460c8955-592f-4064-a709-0914990bc319">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span>
</rr:LowestQuarterlyReturnLabel>
<rr:BarChartLowestQuarterlyReturnDate contextRef="ClassACSharesMember_S000009190_C000024978" id="x_74469f5b-9072-4767-b3de-e4bd5f79f6b1"> 2022-06-30 </rr:BarChartLowestQuarterlyReturnDate>
<rr:BarChartLowestQuarterlyReturn contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="x_6741405e-4d70-44ef-b2fa-85bef29e4535" unitRef="pure"> -0.2394 </rr:BarChartLowestQuarterlyReturn>
<rr:PerformanceTableHeading contextRef="ClassACSharesMember_S000009190" id="e7598c6d-d5f4-41ca-9bd5-f983b3cb3bd1">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Average Annual Total Return as of December 31, 2023</span>
</rr:PerformanceTableHeading>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassACSharesMember_S000009190_C000024978" id="b3860626-b9d4-42c0-94fd-fe12faa05a04"> 2069-07-28 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="x_1290b49b-731a-480e-86fc-e203995483d9" unitRef="pure"> 0.3394 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="x_7319f5b8-d025-4c1b-8ee0-4c1f46ecc99d" unitRef="pure"> 0.1149 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000009190_C000024978" decimals="4" id="c6d9463b-cafd-466b-aa65-6b09c50024f9" unitRef="pure"> 0.1038 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000009190_C000024978_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_9a6e3f50-afe0-4735-a706-789283bc4811" unitRef="pure"> 0.3394 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000009190_C000024978_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_47dbfd7e-fec9-4464-94c9-ee2f5783d83c" unitRef="pure"> 0.0916 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000009190_C000024978_ReturnAfterTaxesonDistributionsMember" decimals="4" id="b82e37d4-4a1d-4740-badc-6e87831fd0ab" unitRef="pure"> 0.0820 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000009190_C000024978_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_42e0e229-af4f-41f6-b3f2-a31e722f680a" unitRef="pure"> 0.2009 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000009190_C000024978_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_6c70cc9c-ce47-4180-85ef-c0df4f7d810c" unitRef="pure"> 0.0925 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000009190_C000024978_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_5e2dd866-37b5-4a38-945b-53899c4ef2c3" unitRef="pure"> 0.0817 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassACSharesMember_S000009190_C000068367" id="fcb5f34b-d425-4549-b4d9-2b509c0358d4"> 2008-09-24 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000009190_C000068367" decimals="4" id="d8b8d4bc-89b5-4315-a83a-04085ad75ec1" unitRef="pure"> 0.3921 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000009190_C000068367" decimals="4" id="x_6c8cc66f-0fa1-42b9-9e01-9a0b32de41ce" unitRef="pure"> 0.1184 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000009190_C000068367" decimals="4" id="x_29e219f8-349b-4dc0-98bc-27a1ac3e28f1" unitRef="pure"> 0.1014 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000009190_Russell3000GrowthIndexMember" decimals="4" id="x_2f1a904b-05ea-428c-aa68-f55f650ba23e" unitRef="pure"> 0.4121 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000009190_Russell3000GrowthIndexMember" decimals="4" id="x_1a51b3de-ab51-4588-8d35-3621535eb8cf" unitRef="pure"> 0.1885 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000009190_Russell3000GrowthIndexMember" decimals="4" id="x_37b30f72-f6f2-4966-92bb-f89fe35dfb1c" unitRef="pure"> 0.1433 </rr:AverageAnnualReturnYear10>
<rr:PerformanceTableNarrativeTextBlock contextRef="ClassACSharesMember_S000009190" id="a39ebc1c-21e6-4045-af2b-88f7ac2e4bb3">
<span style="color:#262626;font-family:Arial;font-size:9pt;">In the foregoing table, </span><span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">After-tax returns for Class C Shares, which are not shown, will vary from those shown for Class A Shares.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">A “Return After Taxes on Distributions and Sale of Fund Shares” may sometimes be higher than the other two return figures; this happens when there is a capital loss on redemptions, giving rise to a tax benefit to the shareholder.</span>
</rr:PerformanceTableNarrativeTextBlock>
<rr:PerformanceTableUsesHighestFederalRate contextRef="ClassACSharesMember_S000009190" id="x_9707d9a5-8825-43b7-9346-e5839b83ba9e">
<span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span>
</rr:PerformanceTableUsesHighestFederalRate>
<rr:PerformanceTableNotRelevantToTaxDeferred contextRef="ClassACSharesMember_S000009190" id="e855f66f-20e3-40b5-a6d8-d14ca85f399b">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNotRelevantToTaxDeferred>
<rr:PerformanceTableOneClassOfAfterTaxShown contextRef="ClassACSharesMember_S000009190" id="x_9137c281-5a30-40c7-8325-e3cc44cb7de6">
<span style="color:#262626;font-family:Arial;font-size:9pt;">After-tax returns for Class C Shares, which are not shown, will vary from those shown for Class A Shares.</span>
</rr:PerformanceTableOneClassOfAfterTaxShown>
<rr:PerformanceTableExplanationAfterTaxHigher contextRef="ClassACSharesMember_S000009190" id="x_504ee9c5-3014-4676-b2bc-3061f751635d">
<span style="color:#262626;font-family:Arial;font-size:9pt;">A “Return After Taxes on Distributions and Sale of Fund Shares” may sometimes be higher than the other two return figures; this happens when there is a capital loss on redemptions, giving rise to a tax benefit to the shareholder.</span>
</rr:PerformanceTableExplanationAfterTaxHigher>
<rr:RiskReturnHeading contextRef="ClassACSharesMember_S000014607" id="x_5597406f-0814-4a63-a214-b134b6629b50">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Alger Responsible Investing Fund</span>
</rr:RiskReturnHeading>
<rr:ObjectiveHeading contextRef="ClassACSharesMember_S000014607" id="x_70d369e5-844a-4a26-a7a1-ea5b3864be0d">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span>
</rr:ObjectiveHeading>
<rr:ObjectivePrimaryTextBlock contextRef="ClassACSharesMember_S000014607" id="x_8272f611-cca0-4295-b901-74b4f837c0b8">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Alger Responsible Investing Fund seeks long-term capital appreciation.</span>
</rr:ObjectivePrimaryTextBlock>
<rr:ExpenseHeading contextRef="ClassACSharesMember_S000014607" id="df918c46-32b3-49a3-ac0f-1c7c0c5970c7">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Fund Fees and Expenses</span>
</rr:ExpenseHeading>
<rr:ExpenseNarrativeTextBlock contextRef="ClassACSharesMember_S000014607" id="x_6c444bba-93f6-4c42-a9a5-71d8a0743e52">
<span style="color:#262626;font-family:Arial;font-size:9pt;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. </span><span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least </span><span style="color:#262626;font-family:Arial;font-size:9pt;">$25,000</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> in Class A Shares of the Alger Family of Funds, including the Fund.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> More information about these and other discounts is </span><span style="color:#262626;font-family:Arial;font-size:9pt;">available from your financial professional and in “Purchasing and Redeeming Fund Shares” on page 34 and in Appendix A – Waivers and Discounts Available from Intermediaries on page A-1 in the Fund’s Prospectus, and in the sections “Right of Accumulation (Class A Shares)” and “Letter of Intent (Class A)” on page 39 of the Fund’s Statement of Additional Information.</span>
</rr:ExpenseNarrativeTextBlock>
<rr:ExpenseBreakpointDiscounts contextRef="ClassACSharesMember_S000014607" id="x_9e635c5c-2680-488a-8d25-4f968d28e688">
<span style="color:#262626;font-family:Arial;font-size:9pt;">You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least </span><span style="color:#262626;font-family:Arial;font-size:9pt;">$25,000</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> in Class A Shares of the Alger Family of Funds, including the Fund.</span><span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $1 billion is .71%, and for assets in excess of $1 billion is .65%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023 was .71%.</span>
</rr:ExpenseBreakpointDiscounts>
<rr:ExpenseBreakpointMinimumInvestmentRequiredAmount contextRef="ClassACSharesMember_S000014607" decimals="INF" id="x_2e63c2f6-d56e-4938-a56d-60d5f418b2f4" unitRef="USD"> 25000 </rr:ExpenseBreakpointMinimumInvestmentRequiredAmount>
<rr:ShareholderFeesCaption contextRef="ClassACSharesMember_S000014607" id="x_29ab75a5-6406-4269-8549-a063b0f4289a">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Shareholder Fees</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(fees paid directly from your investment)</span>
</rr:ShareholderFeesCaption>
<rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="cb9b7b54-5699-431e-828c-5925d22d2eea" unitRef="pure"> 0.0525 </rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
<rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice contextRef="ClassACSharesMember_S000014607_C000068369" decimals="4" id="x_59a0b17d-30e6-4e82-b0a2-7f354946896f" unitRef="pure"> 0 </rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
<rr:MaximumDeferredSalesChargeOverOfferingPrice contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="ff508092-718d-4bb1-91f1-71389b072e3d" unitRef="pure"> 0 </rr:MaximumDeferredSalesChargeOverOfferingPrice>
<rr:MaximumDeferredSalesChargeOverOfferingPrice contextRef="ClassACSharesMember_S000014607_C000068369" decimals="4" id="x_1d3343d7-a80d-4268-8bd9-4e61f99e090b" unitRef="pure"> 0.0100 </rr:MaximumDeferredSalesChargeOverOfferingPrice>
<rr:OperatingExpensesCaption contextRef="ClassACSharesMember_S000014607" id="x_11bcb9e6-5d8f-4f00-838a-d2700727bcbb">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Annual Fund Operating Expenses</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(expenses that you pay each year as a percentage of the value of your investment)</span>
</rr:OperatingExpensesCaption>
<rr:ManagementFeesOverAssets contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_39a0c036-68fa-4972-82ab-54f28a4802e9" unitRef="pure"> 0.0071 </rr:ManagementFeesOverAssets>
<rr:ManagementFeesOverAssets contextRef="ClassACSharesMember_S000014607_C000068369" decimals="4" id="x_56899855-76b5-4783-a698-7d3aa59a6e9f" unitRef="pure"> 0.0071 </rr:ManagementFeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_9e4372df-2dc1-4c5c-a42b-4305a6436cb5" unitRef="pure"> 0.0025 </rr:DistributionAndService12b1FeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassACSharesMember_S000014607_C000068369" decimals="4" id="e4ddc370-7bbb-495a-87dc-14048c6e9326" unitRef="pure"> 0.0100 </rr:DistributionAndService12b1FeesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_3304a787-955f-47f3-8ce9-cfc33528a343" unitRef="pure"> 0.0038 </rr:OtherExpensesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassACSharesMember_S000014607_C000068369" decimals="4" id="x_6a768999-1576-4eec-a9bb-37677985922c" unitRef="pure"> 0.0041 </rr:OtherExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_56d19be9-dd00-451c-8857-d167a3e6ae8c" unitRef="pure"> 0.0134 </rr:ExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassACSharesMember_S000014607_C000068369" decimals="4" id="x_00cd9e73-9725-4a53-a6a1-c4843c9c1b4a" unitRef="pure"> 0.0212 </rr:ExpensesOverAssets>
<rr:FeeWaiverOrReimbursementOverAssets contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_1d6a372c-4870-454b-9c69-02905e0ebb75" unitRef="pure"> -0.0025 </rr:FeeWaiverOrReimbursementOverAssets>
<rr:NetExpensesOverAssets contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_37437799-1bcd-4b88-9276-3793ddc104c5" unitRef="pure"> 0.0109 </rr:NetExpensesOverAssets>
<rr:ExpensesDeferredChargesTextBlock contextRef="ClassACSharesMember_S000014607" id="x_36c6539f-8b64-458f-a52b-fe46ce869eb9">
<span style="color:#262626;font-family:Arial;font-size:8pt;">Purchases of $1 million or more of Class A Shares at net asset value may be subject to a contingent deferred sales charge of 1.00% on redemptions made within 12 months of purchase.</span>
</rr:ExpensesDeferredChargesTextBlock>
<rr:ExpensesRestatedToReflectCurrent contextRef="ClassACSharesMember_S000014607" id="x_86fb6814-13fd-43be-b30e-4efd67440b8f">
<span style="color:#262626;font-family:Arial;font-size:8pt;">“Total Annual Fund Operating Expenses” have been restated to reflect current fees.</span>
</rr:ExpensesRestatedToReflectCurrent>
<rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="ClassACSharesMember_S000014607" id="ba98ef3f-3a8e-4afd-a642-73abbf5915e4">
<span style="color:#262626;font-family:Arial;font-size:8pt;">October 31, 2025</span>
</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
<rr:ExpenseExampleHeading contextRef="ClassACSharesMember_S000014607" id="x_3d32741b-5868-435e-86f0-82d14e197f42">
<span style="color:#0065D2;font-family:Arial;font-size:9pt;font-weight:bold;">Example</span>
</rr:ExpenseExampleHeading>
<rr:ExpenseExampleNarrativeTextBlock contextRef="ClassACSharesMember_S000014607" id="x_81ada347-0dbb-44f7-ad03-4e4eeae4f4d9">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The examples assume that you invest $10,000 in the Fund for the time periods indicated, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. For Class A shares, the one-year example and the period of the three-, five- and ten-year examples through October 31, 2025</span><span style="color:#262626;font-family:Arial;font-size:9pt;line-height:11pt;"> </span><span style="color:#262626;font-family:Arial;font-size:9pt;">are based on net operating expenses, which reflect the contractual expense limitation agreed to by the Manager. Although your actual costs may be higher or lower, based on these assumptions you would pay the following expenses if you redeemed your shares at the end of each period:</span>
</rr:ExpenseExampleNarrativeTextBlock>
<rr:ExpenseExampleYear01 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="INF" id="d7ba0a5e-bb32-4291-94cb-736e5ae1d565" unitRef="USD"> 630 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="INF" id="c30d63da-b7a4-493a-ae70-43d230b83a0c" unitRef="USD"> 888 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="INF" id="x_972a90e3-c55f-48e1-9eba-c3a7ee3b98da" unitRef="USD"> 1182 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="INF" id="x_0543c7d1-83a3-44f6-ae8e-213bc9967fbd" unitRef="USD"> 2018 </rr:ExpenseExampleYear10>
<rr:ExpenseExampleYear01 contextRef="ClassACSharesMember_S000014607_C000068369" decimals="INF" id="e4c39f02-3fd1-4770-942a-2e48419a9bab" unitRef="USD"> 315 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassACSharesMember_S000014607_C000068369" decimals="INF" id="x_53646836-44b8-4186-acc3-c4d25c52a68f" unitRef="USD"> 664 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassACSharesMember_S000014607_C000068369" decimals="INF" id="b9bcab4b-abe6-4040-a4f7-3807475052a7" unitRef="USD"> 1139 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassACSharesMember_S000014607_C000068369" decimals="INF" id="f1e3256a-9c9f-4d80-a18e-6eea9fea9c01" unitRef="USD"> 2452 </rr:ExpenseExampleYear10>
<rr:ExpenseExampleNoRedemptionByYearCaption contextRef="ClassACSharesMember_S000014607" id="x_9cad509d-f25f-41c5-9ad8-282f12ded20c">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;margin-left:36pt;">You would pay the following expenses if you did not redeem your shares:</span>
</rr:ExpenseExampleNoRedemptionByYearCaption>
<rr:ExpenseExampleNoRedemptionYear01 contextRef="ClassACSharesMember_S000014607_C000068369" decimals="INF" id="x_6f773393-f719-46ae-b973-3580182526b8" unitRef="USD"> 215 </rr:ExpenseExampleNoRedemptionYear01>
<rr:ExpenseExampleNoRedemptionYear03 contextRef="ClassACSharesMember_S000014607_C000068369" decimals="INF" id="x_9492710b-ed93-4345-b8b2-f4a9d41e42c6" unitRef="USD"> 664 </rr:ExpenseExampleNoRedemptionYear03>
<rr:ExpenseExampleNoRedemptionYear05 contextRef="ClassACSharesMember_S000014607_C000068369" decimals="INF" id="x_396217d4-efa1-4887-88af-7f2992fee01d" unitRef="USD"> 1139 </rr:ExpenseExampleNoRedemptionYear05>
<rr:ExpenseExampleNoRedemptionYear10 contextRef="ClassACSharesMember_S000014607_C000068369" decimals="INF" id="x_6d715f2f-c987-433b-86c3-caf35ebfeb03" unitRef="USD"> 2452 </rr:ExpenseExampleNoRedemptionYear10>
<rr:PortfolioTurnoverHeading contextRef="ClassACSharesMember_S000014607" id="x_99e0e796-550c-427f-8b97-21cf255f96c7">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Portfolio Turnover</span>
</rr:PortfolioTurnoverHeading>
<rr:PortfolioTurnoverTextBlock contextRef="ClassACSharesMember_S000014607" id="b8168cf4-f670-40e6-9bcb-e7344bbf945e">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was </span><span style="color:#262626;font-family:Arial;font-size:9pt;">7.98</span><span style="color:#262626;font-family:Arial;font-size:9pt;">% of the average value of its portfolio.</span>
</rr:PortfolioTurnoverTextBlock>
<rr:PortfolioTurnoverRate contextRef="ClassACSharesMember_S000014607" decimals="4" id="de7e2bdf-3039-4b48-ae9a-5acc509538ee" unitRef="pure"> 0.0798 </rr:PortfolioTurnoverRate>
<rr:StrategyHeading contextRef="ClassACSharesMember_S000014607" id="x_792b042c-fe83-4a92-ac38-e3c04d8d5b45">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Investment Strategy</span>
</rr:StrategyHeading>
<rr:StrategyNarrativeTextBlock contextRef="ClassACSharesMember_S000014607" id="c8b4b750-8a98-4b68-bcf5-7526a1e5111f">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Manager believes companies undergoing Positive Dynamic Change offer the best opportunities. Positive Dynamic Change refers to companies realizing High Unit Volume Growth or companies undergoing Positive Lifecycle Change. High Unit Volume Growth companies are traditional growth companies experiencing, for example, rapidly growing demand or market dominance. Positive Lifecycle Change companies are, for example, companies benefitting from new regulations, a new product innovation or new management.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Under normal circumstances, the Fund invests at least 80% of its net assets, plus any borrowings for investment purposes, in equity securities of companies of any size with an environmental, social and governance (“ESG”) rating of average or above by a third-party ESG rating agency (an “ESG Rating Agency”) that also demonstrate, in the view of the Manager, promising growth potential. Equity securities include common or preferred stocks that are listed on U.S. or foreign exchanges. The Manager employs fundamental analysis to identify innovative and dynamic companies and uses an ESG Rating Agency’s ratings to consider how such stocks rank within an industry or sector based on a company’s conduct in offering products or services that promote positive environmental, social and/or governance policies, or have a positive impact in these areas, addressing concerns such as climate change, resource depletion, health and safety, employee relations and diversity, bribery and corruption, and fostering board diversity and structure. The Fund does not bar companies in any industries.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may invest a significant portion of its assets in securities of companies conducting business within a single sector, as defined by third party sources, including the information technology, consumer discretionary, and health care sectors.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell a stock when it reaches a target price, it fails to perform as expected, or other opportunities appear more attractive.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in cash (and cash equivalents) when the Fund is unable to find enough attractive long-term investments to meet its investment objective, to meet redemptions and/or when the Manager believes it is advisable to do so during times of short-term market volatility. During these times, cash (and cash equivalents) will not exceed 15% of the Fund’s net assets.</span>
</rr:StrategyNarrativeTextBlock>
<rr:RiskHeading contextRef="ClassACSharesMember_S000014607" id="x_07ea6ca6-b019-42de-8e1f-398a85b48314">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Risks</span>
</rr:RiskHeading>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000014607_RiskLoseMoneyMember" id="x_654e049f-ac8e-47c8-94de-56bd260b407a">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s share price may go down, which means you could lose money.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000014607_RiskNotInsuredDepositoryInstitutionMember" id="d2e355be-0aba-498c-8d38-a23ff1a3fe3d">
<span style="color:#262626;font-family:Arial;font-size:9pt;">An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000014607_InvestmentRiskMember" id="x_1f5e34d4-9747-4299-b63c-b593e71f5382">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Investment Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000014607_MarketRiskMember" id="x_6fafc0f3-7bdf-4754-b1d6-4782bb8d06c6">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Market Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Your investment in Fund shares represents an indirect investment in the securities owned by the Fund. The value of these securities, like other investments, may move up or down, sometimes rapidly and unpredictably. Your Fund shares at any point in time may be worth less than what you invested, even after taking into account the reinvestment of Fund dividends and distributions. Local, regional or global events such as environmental or natural disasters, war, terrorism, pandemics, outbreaks of infectious diseases, and similar public health threats, recessions, or other events could have a significant impact on the Fund and its investments.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000014607_EquitySecuritiesRiskMember" id="dad32985-0182-4e4b-9c90-18a6215d1943">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Equity Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> As with any fund that invests in stocks, your investment will fluctuate in value, and the loss of your investment is a risk of investing. The Fund’s price per share will fluctuate due to changes in the market prices of its investments. Also, the Fund’s investments may not grow as fast as the rate of inflation and stocks tend to be more volatile than some other investments you could make, such as bonds.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000014607_GrowthSecuritiesRiskMember" id="x_4d03feae-627c-4a0b-b560-a926eec4fb49">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Growth Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prices of growth stocks tend to be higher in relation to their companies’ earnings and may be more sensitive to market, political and economic developments than other stocks, making their prices more volatile. An investment in the Fund may be better suited to investors who seek long-term capital growth and can tolerate fluctuations in their investment’s value.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000014607_EnvironmentalSocialandorGovernanceSustainabilityRelatedSecuritiesRiskMember" id="x_0fd589db-88e0-41c4-92ce-9f4c0aeb02c2">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Environmental, Social and/or Governance Sustainability-Related Securities Risk – </span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s ESG investment criteria may result in the selection or exclusion of securities of certain issuers for reasons other than financial performance, and carries the risk that the Fund’s investment returns may underperform funds that do not utilize an ESG investment strategy. The application of this </span><span style="color:#262626;font-family:Arial;font-size:9pt;">strategy may affect the Fund’s investment exposure to certain companies, sectors, regions, countries or types of investments, which could negatively impact the Fund’s performance depending on whether such investments are in or out of favor. Applying ESG criteria to investment decisions is qualitative and subjective by nature, and there is no guarantee that the criteria utilized by the Manager or any judgment exercised by the Manager will reflect the beliefs or values of any particular investor. ESG standards differ by region and industry, and a company’s ESG practices or the Manager’s assessment of a company’s ESG practices may change over time.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000014607_SectorRiskMember" id="c2db6a6b-93c2-4cc2-8d9d-25d0fa54a300">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Sector Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may have a significant portion of its assets invested in securities of companies conducting business within a single sector, as defined by third party sources. Companies in the same sector may be similarly affected by economic, regulatory, political or market events or conditions, which may make the Fund more vulnerable to unfavorable developments in that sector than a fund that has a more diversified portfolio. Generally, the more broadly the Fund invests, the more it spreads risk and potentially reduces the risks of loss and volatility.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000014607_InformationTechnologySectorRiskMember" id="x_8529f63e-d363-44ec-adbc-82db7fa02a3e">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Information Technology Sector Risk – The Fund may have a significant portion of its assets invested in securities of technology-related companies. Therefore, the Fund may be more susceptible to particular risks that may affect companies in the information technology sector and technology-related sectors than if it were invested in a wider variety of companies in unrelated sectors. At times, the performance of such companies will lag the performance of other industries or the broader market as a whole. Certain technology related companies may face special risks that their products or services may not prove to be commercially successful. Technology related companies are also strongly affected by worldwide scientific or technological developments. As a result, their products may rapidly become obsolete. Such companies are also often subject to governmental regulation and may, therefore, be adversely affected by governmental policies. These factors may lead to limited earnings and/or failing profit margins. As a result, the value of technology related companies’ securities may fall or fail to rise. Many technology related companies’ securities have historically been more volatile than other securities, especially over the short term.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000014607_ConsumerDiscretionarySectorRiskMember" id="x_2e2e3bf4-1be9-47d3-b02c-abc2c94ea8d7">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Consumer Discretionary Sector Risk – The consumer discretionary sector may be affected by changes in domestic and international economies, exchange and interest rates, competition, consumers’ disposable income, consumer preferences, social trends and marketing campaigns.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000014607_HealthCareSectorRiskMember" id="x_782855c7-535e-4825-928f-e8d9851ca0c9">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Health Care Sector Risk – The Fund may have a significant portion of its assets invested in securities of healthcare companies. At times, the performance of healthcare companies will lag the performance of other industries or the broader market as a whole, and the performance of such companies may be more volatile. Healthcare companies may also be significantly affected by intense competition, aggressive pricing, government regulation, technological innovations, product obsolescence, patent considerations, product compatibility and consumer preferences.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000014607_CashPositionRiskMember" id="eaaa8ee2-0e1c-4353-bf51-d03b4796a012">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Cash Position Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> At times, the Fund may hold up to 15% of its net assets in cash (and cash equivalents), which may underperform relative to equity securities.</span>
</rr:RiskTextBlock>
<rr:BarChartAndPerformanceTableHeading contextRef="ClassACSharesMember_S000014607" id="c0cd0b38-fc95-4583-8e9b-ad89398caa0a">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Performance</span>
</rr:BarChartAndPerformanceTableHeading>
<rr:PerformanceNarrativeTextBlock contextRef="ClassACSharesMember_S000014607" id="be608623-6d48-4c6f-a23c-8fbd090a59bd">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Performance in the bar chart does not reflect the effect of the sales charge imposed on Class A Shares of the Fund. If the bar chart reflected the applicable sales charges, returns would be less than those shown.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prior to December 29, 2016, the Fund followed different investment strategies under the name “Alger Green </span><span style="color:#262626;font-family:Arial;font-size:9pt;">Fund,” and was managed by different portfolio management teams. Performance during that period does not reflect the Fund’s current investment strategies. </span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and after taxes) is not necessarily an indication of how it will </span><span style="color:#262626;font-family:Arial;font-size:9pt;">perform in the future.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Updated performance information is available on the Fund’s website </span><span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span><span style="color:#262626;font-family:Arial;font-size:9pt;">.</span>
</rr:PerformanceNarrativeTextBlock>
<rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="ClassACSharesMember_S000014607" id="beca6d77-fb5e-44a2-85d0-d101dc76f3fe">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span>
</rr:PerformanceInformationIllustratesVariabilityOfReturns>
<rr:BarChartDoesNotReflectSalesLoads contextRef="ClassACSharesMember_S000014607" id="x_0b6fd127-ea1a-4b1b-b9e3-b19aa8230e32">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Performance in the bar chart does not reflect the effect of the sales charge imposed on Class A Shares of the Fund. If the bar chart reflected the applicable sales charges, returns would be less than those shown.</span>
</rr:BarChartDoesNotReflectSalesLoads>
<rr:PerformancePastDoesNotIndicateFuture contextRef="ClassACSharesMember_S000014607" id="x_17ff3c70-6833-48a1-a736-b738b819895d">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and after taxes) is not necessarily an indication of how it will </span><span style="color:#262626;font-family:Arial;font-size:9pt;">perform in the future.</span>
</rr:PerformancePastDoesNotIndicateFuture>
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<span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span>
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<rr:BarChartHeading contextRef="ClassACSharesMember_S000014607" id="x_392c0383-a9d6-4fe7-b4cf-ffaf049a106c">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;">Annual Total Return for Class A Shares</span><span style="color:#262626;font-family:Arial;font-size:10pt;line-height:12pt;"> </span><span style="color:#262626;font-family:Arial;font-size:10pt;font-style:italic;">as of December 31 (%)</span>
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<rr:BarChartClosingTextBlock contextRef="ClassACSharesMember_S000014607" id="x_48b121b1-c86d-40b5-a433-54cf4c513a96">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">27.69%</span><span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2022</span><span style="color:#262626;font-family:Arial;font-size:8pt;">-21.27%</span>
</rr:BarChartClosingTextBlock>
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<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span>
</rr:HighestQuarterlyReturnLabel>
<rr:BarChartHighestQuarterlyReturnDate contextRef="ClassACSharesMember_S000014607_C000039961" id="a9e6857a-ea28-45f0-89c5-1756cb36e36a"> 2020-06-30 </rr:BarChartHighestQuarterlyReturnDate>
<rr:BarChartHighestQuarterlyReturn contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_188e936f-f121-43a6-87a6-b52ede584e79" unitRef="pure"> 0.2769 </rr:BarChartHighestQuarterlyReturn>
<rr:LowestQuarterlyReturnLabel contextRef="ClassACSharesMember_S000014607_C000039961" id="x_02ef1d5c-b372-4b17-95a6-e9ad18f3a836">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span>
</rr:LowestQuarterlyReturnLabel>
<rr:BarChartLowestQuarterlyReturnDate contextRef="ClassACSharesMember_S000014607_C000039961" id="x_7a5ce768-f483-49cc-af88-b3dca51c9b7c"> 2022-06-30 </rr:BarChartLowestQuarterlyReturnDate>
<rr:BarChartLowestQuarterlyReturn contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_634de269-5272-4091-8099-622fb613bec6" unitRef="pure"> -0.2127 </rr:BarChartLowestQuarterlyReturn>
<rr:PerformanceTableHeading contextRef="ClassACSharesMember_S000014607" id="x_2488ca8a-704d-4004-b129-fb9aea6bb941">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Average Annual Total Return as of December 31, 2023</span>
</rr:PerformanceTableHeading>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassACSharesMember_S000014607_C000039961" id="x_21965194-ea0a-4904-b791-aab6d898516d"> 2000-12-04 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="x_2d155806-9b42-4316-a582-bcbf0e132a66" unitRef="pure"> 0.2950 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="a3c63cac-a870-463f-a3a9-fdc9a6de8e1d" unitRef="pure"> 0.1509 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000014607_C000039961" decimals="4" id="e93c4ddf-485d-49f4-a927-ac43b35e3fc5" unitRef="pure"> 0.1074 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000014607_C000039961_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_9d68c2c9-969d-4095-9264-cfa328dbf6d7" unitRef="pure"> 0.2855 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000014607_C000039961_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_9dbc7757-5644-4fdb-b07c-e8ac8065208e" unitRef="pure"> 0.1368 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000014607_C000039961_ReturnAfterTaxesonDistributionsMember" decimals="4" id="b03416d7-ede2-4f41-8292-c87c828ee043" unitRef="pure"> 0.0933 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000014607_C000039961_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="d361b315-5a9e-44db-a532-db4beeeeed23" unitRef="pure"> 0.1802 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000014607_C000039961_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_98f4f654-063e-4f78-981b-6973b99cde50" unitRef="pure"> 0.1200 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000014607_C000039961_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_25c3ab44-d978-4e64-b2e8-e4afab41ca4d" unitRef="pure"> 0.0848 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassACSharesMember_S000014607_C000068369" id="x_59c9ddd7-b775-4938-b14e-f3af7934cb39"> 2008-09-24 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000014607_C000068369" decimals="4" id="x_9d40fa0b-b416-460e-a9f1-e591ea9a4f56" unitRef="pure"> 0.3468 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000014607_C000068369" decimals="4" id="x_5a2039d5-b47f-4de8-853c-0538ea237ad4" unitRef="pure"> 0.1544 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000014607_C000068369" decimals="4" id="x_80527cec-70af-48e1-a16a-6a7c021adca9" unitRef="pure"> 0.1046 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000014607_Russell1000GrowthIndexMember" decimals="4" id="x_42ae0c57-deca-458e-84dc-7703a61dfcd7" unitRef="pure"> 0.4268 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000014607_Russell1000GrowthIndexMember" decimals="4" id="x_8a14ac80-b85e-445d-8466-adaa04f360c6" unitRef="pure"> 0.1950 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000014607_Russell1000GrowthIndexMember" decimals="4" id="db408ce7-e37d-410a-be4c-0e8995e79dc6" unitRef="pure"> 0.1486 </rr:AverageAnnualReturnYear10>
<rr:PerformanceTableNarrativeTextBlock contextRef="ClassACSharesMember_S000014607" id="x_53c13a1e-64c4-422f-9c03-7b85527cc61a">
<span style="color:#262626;font-family:Arial;font-size:9pt;">In the foregoing table, </span><span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">After-tax returns for Class C Shares, which are not shown, will vary from those shown for Class A Shares.</span>
</rr:PerformanceTableNarrativeTextBlock>
<rr:PerformanceTableUsesHighestFederalRate contextRef="ClassACSharesMember_S000014607" id="x_6c067d17-5f78-48cb-b0cf-e252b5b1ba04">
<span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span>
</rr:PerformanceTableUsesHighestFederalRate>
<rr:PerformanceTableNotRelevantToTaxDeferred contextRef="ClassACSharesMember_S000014607" id="e4cd2a21-4b29-4e2f-8ffd-eaceeace8dbd">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNotRelevantToTaxDeferred>
<rr:PerformanceTableOneClassOfAfterTaxShown contextRef="ClassACSharesMember_S000014607" id="fc9d4f91-550c-49db-ae92-5ab60e591271">
<span style="color:#262626;font-family:Arial;font-size:9pt;">After-tax returns for Class C Shares, which are not shown, will vary from those shown for Class A Shares.</span>
</rr:PerformanceTableOneClassOfAfterTaxShown>
<rr:RiskReturnHeading contextRef="ClassACSharesMember_S000026226" id="x_0e83ffc9-917a-4f76-9537-615dbc034d6f">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Alger Dynamic Opportunities Fund</span>
</rr:RiskReturnHeading>
<rr:ObjectiveHeading contextRef="ClassACSharesMember_S000026226" id="x_20fbe84e-c8a6-41c6-aa66-e01d8f736d62">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span>
</rr:ObjectiveHeading>
<rr:ObjectivePrimaryTextBlock contextRef="ClassACSharesMember_S000026226" id="fb8d919f-b2be-4764-9f86-f102f5e91a8d">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Alger Dynamic Opportunities Fund seeks long-term capital appreciation.</span>
</rr:ObjectivePrimaryTextBlock>
<rr:ExpenseHeading contextRef="ClassACSharesMember_S000026226" id="f9dbbe1c-a5cf-4d61-aaca-825042e9ecee">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Fund Fees and Expenses</span>
</rr:ExpenseHeading>
<rr:ExpenseNarrativeTextBlock contextRef="ClassACSharesMember_S000026226" id="x_7da37179-4f80-4b65-a04f-ab4a2eb439e9">
<span style="color:#262626;font-family:Arial;font-size:9pt;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. </span><span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least </span><span style="color:#262626;font-family:Arial;font-size:9pt;">$25,000</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> in Class A Shares of the Alger Family of Funds, including the Fund.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> More information about these and other discounts is </span><span style="color:#262626;font-family:Arial;font-size:9pt;">available from your financial professional and in “Purchasing and Redeeming Fund Shares” on page 34 and in Appendix A – Waivers and Discounts Available from Intermediaries on page A-1 in the Fund’s Prospectus, and in the sections “Right of Accumulation (Class A Shares)” and “Letter of Intent (Class A)” on page 39 of the Fund’s Statement of Additional Information.</span>
</rr:ExpenseNarrativeTextBlock>
<rr:ExpenseBreakpointDiscounts contextRef="ClassACSharesMember_S000026226" id="cbf2e443-4f66-4bca-a7df-bc4711500c02">
<span style="color:#262626;font-family:Arial;font-size:9pt;">You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least </span><span style="color:#262626;font-family:Arial;font-size:9pt;">$25,000</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> in Class A Shares of the Alger Family of Funds, including the Fund.</span><span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $1 billion is 1.20%, and for assets in excess of $1 billion is 1.00%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023 was 1.20%.</span>
</rr:ExpenseBreakpointDiscounts>
<rr:ExpenseBreakpointMinimumInvestmentRequiredAmount contextRef="ClassACSharesMember_S000026226" decimals="INF" id="e77f0786-51ed-4112-8341-6837d59bc88f" unitRef="USD"> 25000 </rr:ExpenseBreakpointMinimumInvestmentRequiredAmount>
<rr:ShareholderFeesCaption contextRef="ClassACSharesMember_S000026226" id="e7ffda50-60ff-47da-beee-70941d04fe25">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Shareholder Fees</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(fees paid directly from your investment)</span>
</rr:ShareholderFeesCaption>
<rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="f05f135b-9021-4bbf-8745-118d51ada5bd" unitRef="pure"> 0.0525 </rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
<rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice contextRef="ClassACSharesMember_S000026226_C000098121" decimals="4" id="ba4b8d0b-71b9-4ddc-8612-2175475fe63d" unitRef="pure"> 0 </rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
<rr:MaximumDeferredSalesChargeOverOfferingPrice contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_4ad6182e-e858-40a0-a16b-67d40f7e822c" unitRef="pure"> 0 </rr:MaximumDeferredSalesChargeOverOfferingPrice>
<rr:MaximumDeferredSalesChargeOverOfferingPrice contextRef="ClassACSharesMember_S000026226_C000098121" decimals="4" id="x_24df4fcc-23ae-446c-823a-58001af43499" unitRef="pure"> 0.0100 </rr:MaximumDeferredSalesChargeOverOfferingPrice>
<rr:OperatingExpensesCaption contextRef="ClassACSharesMember_S000026226" id="x_0681c036-8319-4566-b2d4-12f88e5ce24f">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Annual Fund Operating Expenses</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(expenses that you pay each year as a percentage of the value of your investment)</span>
</rr:OperatingExpensesCaption>
<rr:ManagementFeesOverAssets contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_26c615f8-b0f6-4592-ba82-ff70d2137311" unitRef="pure"> 0.0120 </rr:ManagementFeesOverAssets>
<rr:ManagementFeesOverAssets contextRef="ClassACSharesMember_S000026226_C000098121" decimals="4" id="x_6328b5cc-c2ad-44c7-b441-e6495df10a23" unitRef="pure"> 0.0120 </rr:ManagementFeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="d502f135-32a2-453e-8812-011bc8efff73" unitRef="pure"> 0.0025 </rr:DistributionAndService12b1FeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassACSharesMember_S000026226_C000098121" decimals="4" id="c156b0f9-ea95-45ba-9ce0-089476a0b592" unitRef="pure"> 0.0100 </rr:DistributionAndService12b1FeesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_5e67aac7-89d3-480d-b013-9a59bd9153a7" unitRef="pure"> 0.0060 </rr:OtherExpensesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassACSharesMember_S000026226_C000098121" decimals="4" id="x_0d1bf295-e0c5-469a-adea-ec375e8462b7" unitRef="pure"> 0.0062 </rr:OtherExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_6fd74ac1-6c7c-44e7-8942-ea21d4ab0e3f" unitRef="pure"> 0.0205 </rr:ExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassACSharesMember_S000026226_C000098121" decimals="4" id="x_8cbe8231-2def-4569-a048-8f1138ffe9bb" unitRef="pure"> 0.0282 </rr:ExpensesOverAssets>
<rr:ExpensesDeferredChargesTextBlock contextRef="ClassACSharesMember_S000026226" id="eb7d9f4a-287a-4a48-8931-cf0f10f53c17">
<span style="color:#262626;font-family:Arial;font-size:8pt;">Purchases of $1 million or more of Class A Shares at net asset value may be subject to a contingent deferred sales charge of 1.00% on redemptions made within 12 months of purchase.</span>
</rr:ExpensesDeferredChargesTextBlock>
<rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="ClassACSharesMember_S000026226" id="x_0876fa59-26e8-4787-b848-e4e8c5d36a5b">
<span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</span><span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</span>
</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
<rr:ExpenseExampleHeading contextRef="ClassACSharesMember_S000026226" id="x_940fef30-ee72-4ce1-b98f-bc9874cb996b">
<span style="color:#0065D2;font-family:Arial;font-size:9pt;font-weight:bold;">Example</span>
</rr:ExpenseExampleHeading>
<rr:ExpenseExampleNarrativeTextBlock contextRef="ClassACSharesMember_S000026226" id="x_573b4aeb-8c2f-43d8-bd3f-133432870f7b">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The examples assume that you invest $10,000 in the Fund for the time periods indicated, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions you would pay the following expenses if you redeemed your shares at the end of each period:</span>
</rr:ExpenseExampleNarrativeTextBlock>
<rr:ExpenseExampleYear01 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="INF" id="e35b3de7-4621-42f9-837d-3383f36cc77e" unitRef="USD"> 722 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="INF" id="x_6e240924-5abc-47b0-9a5b-21ea4e588c21" unitRef="USD"> 1134 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="INF" id="x_42e6c5b5-b4f7-4104-a74e-58e3a82bd97b" unitRef="USD"> 1570 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="INF" id="x_8e2813ea-eab2-4195-951b-6945d8eb12d5" unitRef="USD"> 2779 </rr:ExpenseExampleYear10>
<rr:ExpenseExampleYear01 contextRef="ClassACSharesMember_S000026226_C000098121" decimals="INF" id="x_07ad5435-d2bb-4ae4-b7ae-fb3adfee1433" unitRef="USD"> 385 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassACSharesMember_S000026226_C000098121" decimals="INF" id="x_0e41b646-d6c4-4474-8c14-5226f50a54a7" unitRef="USD"> 874 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassACSharesMember_S000026226_C000098121" decimals="INF" id="x_87b95e68-c2b6-4123-a0da-ac55d03a5ab7" unitRef="USD"> 1489 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassACSharesMember_S000026226_C000098121" decimals="INF" id="x_1c756901-c65f-4eea-afde-4e4ba266eab7" unitRef="USD"> 3147 </rr:ExpenseExampleYear10>
<rr:ExpenseExampleNoRedemptionByYearCaption contextRef="ClassACSharesMember_S000026226" id="d5abb9ba-de7a-46f2-ae14-d21003cd2e42">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;margin-left:36pt;">You would pay the following expenses if you did not redeem your shares:</span>
</rr:ExpenseExampleNoRedemptionByYearCaption>
<rr:ExpenseExampleNoRedemptionYear01 contextRef="ClassACSharesMember_S000026226_C000098121" decimals="INF" id="x_4c2ffa45-e867-4528-8e2b-c8184128145f" unitRef="USD"> 285 </rr:ExpenseExampleNoRedemptionYear01>
<rr:ExpenseExampleNoRedemptionYear03 contextRef="ClassACSharesMember_S000026226_C000098121" decimals="INF" id="x_3dd0fd5a-a017-452d-b8eb-776d7fa965d8" unitRef="USD"> 874 </rr:ExpenseExampleNoRedemptionYear03>
<rr:ExpenseExampleNoRedemptionYear05 contextRef="ClassACSharesMember_S000026226_C000098121" decimals="INF" id="x_7312aef2-179f-431f-b7ae-90c2299be94b" unitRef="USD"> 1489 </rr:ExpenseExampleNoRedemptionYear05>
<rr:ExpenseExampleNoRedemptionYear10 contextRef="ClassACSharesMember_S000026226_C000098121" decimals="INF" id="baac8e28-bcd7-4aee-913e-f80d8619c59b" unitRef="USD"> 3147 </rr:ExpenseExampleNoRedemptionYear10>
<rr:PortfolioTurnoverHeading contextRef="ClassACSharesMember_S000026226" id="x_98e98bee-1889-4996-a44a-98c49f503b40">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Portfolio Turnover</span>
</rr:PortfolioTurnoverHeading>
<rr:PortfolioTurnoverTextBlock contextRef="ClassACSharesMember_S000026226" id="x_13bf65c7-c7a7-44a3-97b1-569a1adfeafa">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was </span><span style="color:#262626;font-family:Arial;font-size:9pt;">350.56</span><span style="color:#262626;font-family:Arial;font-size:9pt;">% of the average value of its portfolio.</span>
</rr:PortfolioTurnoverTextBlock>
<rr:PortfolioTurnoverRate contextRef="ClassACSharesMember_S000026226" decimals="4" id="x_06c53a44-0bff-4001-baa4-fd6db667f77a" unitRef="pure"> 3.5056 </rr:PortfolioTurnoverRate>
<rr:StrategyHeading contextRef="ClassACSharesMember_S000026226" id="x_23b717a1-44b2-49c9-9e16-f2d0f2c3d373">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Investment Strategy</span>
</rr:StrategyHeading>
<rr:StrategyNarrativeTextBlock contextRef="ClassACSharesMember_S000026226" id="x_59763d06-6d8b-48e3-9c95-201ce03be14b">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Manager believes companies undergoing Positive Dynamic Change offer the best opportunities. Positive Dynamic Change refers to companies realizing High Unit Volume Growth or companies undergoing Positive Lifecycle Change. High Unit Volume Growth companies are traditional growth companies experiencing, for example, rapidly growing demand or market dominance. Positive Lifecycle Change companies are, for example, companies benefitting from new regulations, a new product innovation or new management.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">A portion of the Fund’s assets are sub-advised by Weatherbie Capital, LLC (“Weatherbie”), an affiliate of the Manager (Weatherbie and the Manager, collectively referred to as the “Manager,” where applicable).  Subject to the general supervision by the Fund’s Board of Trustees, the Manager oversees Weatherbie and evaluates its performance results. The Manager reviews portfolio performance, compliance with investment guidelines and federal securities laws, and changes in key personnel of Weatherbie. Weatherbie is primarily responsible for the day-to-day management of the portion of the Fund’s portfolio that it sub-advises, including purchases and sales of individual securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in a portfolio of U.S. and foreign equity securities (common stocks, preferred stocks and convertible securities). In addition to purchasing securities (i.e., taking long positions), the Manager will identify securities that it believes will underperform on an absolute or relative basis and will sell these securities short on behalf of the Fund. The Fund will not, however, follow a market neutral strategy and generally will have a net long position. As a result, and as a result of the cash proceeds the Fund will receive from selling securities short, the Fund will generally maintain significant positions in cash and cash equivalents. The Fund may also seek to manage the volatility of either the portfolio, a particular exposure (e.g., sector or industry) of the portfolio or individual securities through short sales, or buying or selling put or call options primarily for hedging purposes. The Fund arranges with a broker to borrow the security being sold short, and replaces the security by buying it at the current market price when it closes out the short sale. If the price of the security sold short has increased since the time of the short sale, the Fund will incur a loss in addition to the costs associated with establishing, maintaining and closing out the short position. If the price of the security sold short has decreased since the time of the short sale, the Fund will experience a gain to the extent the difference in price is greater than these costs.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund has no specific guidelines or restrictions governing the concentration of the Fund’s portfolio in specific entities, sectors or market capitalizations. Accordingly, the Fund may invest a portion of its assets in securities issued by small capitalization companies. The Fund may also invest a portion of its assets in equity securities not listed on an exchange.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may invest a significant portion of its assets in securities of companies conducting business within a single sector, as defined by third party sources, including the consumer discretionary, information technology, health care, and industrials sectors.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell a stock when it reaches a target price, it fails to perform as expected, or other opportunities appear more attractive. As a result, the Fund may engage in active trading of portfolio securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund can leverage, that is, borrow money to purchase additional securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund can invest in foreign securities.</span>
</rr:StrategyNarrativeTextBlock>
<rr:RiskHeading contextRef="ClassACSharesMember_S000026226" id="ec2e05f0-f65d-497d-bb72-8c9e76249e7b">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Risks</span>
</rr:RiskHeading>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_RiskLoseMoneyMember" id="x_40b1e014-5c19-40a6-aa76-603b7dbdae17">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s share price may go down, which means you could lose money.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_RiskNotInsuredDepositoryInstitutionMember" id="b8e359db-f61d-4eb2-abdb-55678976e401">
<span style="color:#262626;font-family:Arial;font-size:9pt;">An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_InvestmentRiskMember" id="x_70cc5f75-cde0-4f46-805d-8f7febac9577">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Investment Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_MarketRiskMember" id="ddc7cac1-9e89-4d96-bf21-d2dafbde09cb">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Market Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Your investment in Fund shares represents an indirect investment in the securities owned by the Fund. The value of these securities, like other investments, may move up or down, sometimes rapidly and unpredictably. Your Fund shares at any point in time may be worth less than what you invested, even after taking into account the reinvestment of Fund dividends and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">distributions. Local, regional or global events such as environmental or natural disasters, war, terrorism, pandemics, outbreaks of infectious diseases, and similar public health threats, recessions, or other events could have a significant impact on the Fund and its investments.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_OptionsRiskMember" id="x_7eb57690-a034-4223-8034-9b13a1893f44">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Options Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Price movements in the Fund’s portfolio securities may not correlate precisely with movements of the price of the option selected as a hedge. The Fund may lose money and be forced to liquidate portfolio securities to meet settlement obligations.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_ShortSalesRiskMember" id="cd30ebd5-f7bf-4057-951a-b14a1e2de3c8">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Short Sales Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because making short sales in securities that it does not own exposes the Fund to the risks associated with those securities, such short sales involve speculative exposure risk. The market price of a security may increase after the Fund borrows the security in order to sell it short, so that the Fund suffers a loss when it replaces the borrowed security at the higher price. The use of short sales could increase the Fund’s exposure to the market, magnifying losses and increasing volatility. Short sale transactions involve leverage because they can provide investment exposure in an amount exceeding the initial investment. Although the Fund’s gain is limited to the amount at which it sold a security short, its potential loss is limited only by the maximum attainable price of the security, less the price at which the security was sold and may, theoretically, be unlimited.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_EquitySecuritiesRiskMember" id="x_6fada6fc-5343-49cb-a0b9-75bdf8c7cae5">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Equity Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> As with any fund that invests in stocks, your investment will fluctuate in value, and the loss of your investment is a risk of investing. The Fund’s price per share will fluctuate due to changes in the market prices of its investments. Also, the Fund’s investments may not grow as fast as the rate of inflation and stocks tend to be more volatile than some other investments you could make, such as bonds.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_GrowthSecuritiesRiskMember" id="x_79451d42-47c6-4cab-a4fe-2626cd94c00d">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Growth Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prices of growth stocks tend to be higher in relation to their companies’ earnings and may be more sensitive to market, political and economic developments than other stocks, making their prices more volatile. An investment in the Fund may be better suited to investors who seek long-term capital growth and can tolerate fluctuations in their investment’s value.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_SectorRiskMember" id="c18f4c2f-1ee2-4d22-9cdd-a272f2055b20">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Sector Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may have a significant portion of its assets invested in securities of companies conducting business within a single sector, as defined by third party sources. Companies in the same sector may be similarly affected by economic, regulatory, political or market events or conditions, which may make the Fund more vulnerable to unfavorable developments in that sector than a fund that has a more diversified portfolio. Generally, the more broadly the Fund invests, the more it spreads risk and potentially reduces the risks of loss and volatility.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_ConsumerDiscretionarySectorRiskMember" id="eaf0001f-d512-4ef5-94c4-e19779316fcc">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Consumer Discretionary Sector Risk – The consumer discretionary sector may be affected by changes in domestic and international economies, exchange and interest rates, competition, consumers’ disposable income, consumer preferences, social trends and marketing campaigns.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_InformationTechnologySectorRiskMember" id="x_78dc4a10-c422-49cb-94d8-f3d15bdf42ab">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Information Technology Sector Risk – The Fund may have a significant portion of its assets invested in securities of technology-related companies. Therefore, the Fund may be more susceptible to particular risks that may affect companies in the information technology sector and technology-related sectors than if it were invested in a wider variety of companies in unrelated sectors. At times, the performance of such companies will lag the performance of other industries or the broader market as a whole. Certain technology related companies may face special risks that their products or services may not prove to be commercially successful. Technology related companies are also strongly affected by worldwide scientific or technological developments. As a result, their products may rapidly become obsolete. Such companies are also often subject to governmental regulation and may, therefore, be adversely affected by governmental policies. These factors may lead to limited earnings and/or failing profit margins. As a result, the value of technology related companies’ securities may fall or fail to rise. Many technology related companies’ securities have historically been more volatile than other securities, especially over the short term.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_HealthCareSectorRiskMember" id="e4b551ce-bd43-4d10-80a6-9fc8f64157a5">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Health Care Sector Risk – The Fund may have a significant portion of its assets invested in securities of healthcare companies. At times, the performance of healthcare companies will lag the performance of other industries or the broader market as a whole, and the performance of such companies may be more volatile. Healthcare companies may also be significantly affected by intense competition, aggressive pricing, government regulation, technological innovations, product obsolescence, patent considerations, product compatibility and consumer preferences.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_IndustrialsSectorRiskMember" id="x_1a5bb030-c224-4f85-ac0f-bac1381c947d">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Industrials Sector Risk – The Fund may have a significant portion of its assets invested in securities of companies in the industrials sector. Industrial companies are affected by supply and demand both for their specific product or service and for industrials sector products in general. Government regulation, world events, exchange rates and economic conditions, technological developments and liabilities for environmental damage and general civil liabilities will likewise affect the performance of these companies. Aerospace and defense companies, a component of the industrials sector, can be significantly affected by government spending policies because companies involved in this industry rely, to a significant extent, on U.S. and foreign government demand for their products and services.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_ForeignSecuritiesRiskMember" id="x_5e8e68f1-4e47-4708-aa9b-3e288a28e79b">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Foreign Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund’s performance will be influenced by political, social and economic factors affecting investments in foreign companies. Special risks associated with investments in foreign companies include exposure to currency fluctuations, lack of liquidity, potential for market manipulation, less developed or less efficient trading markets, limited access to </span><span style="color:#262626;font-family:Arial;font-size:9pt;">reliable capital, lack of comprehensive company information, political instability, differing audit, regulatory, and legal standards and lack of financial reporting standards.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_ConvertibleSecuritiesRiskMember" id="x_0b575a05-b31a-40dc-882c-be16accd0a33">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Convertible Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Issuers of convertible securities may not be as strong financially as other companies, and may be more vulnerable to changes in the economy.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_SmallCapSecuritiesRiskMember" id="db47185f-dbf9-4ef1-802d-e32c7064935f">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Small Cap Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> There may be greater risk in investing in companies with small market capitalizations rather than larger, more established companies owing to such factors as more limited product lines or financial resources or lack of management depth. It may also be difficult or impossible to liquidate a security position at a time and price acceptable to the Fund because of the potentially less frequent trading of stocks of smaller market capitalization.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_LeverageRiskMember" id="x_53bcee15-35c7-4b83-bc9e-cec902a66166">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Leverage Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The cost of borrowing money to leverage may exceed the returns for the securities purchased or the securities purchased may actually go down in value; thus, the Fund’s net asset value may decrease more quickly than if the Fund had not borrowed.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_PortfolioTurnoverActiveTradingRiskMember" id="d44979cb-51c0-40e0-a165-4bd50d281aad">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Portfolio Turnover (Active Trading) Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because the Fund may engage in active trading of portfolio securities, it may incur increased transaction costs and brokerage commissions, both of which can lower the actual return on an investment. Active trading may also increase short-term gains and losses, which may affect the taxes a shareholder has to pay.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000026226_CashPositionRiskMember" id="x_745fcae5-5adc-4084-9baa-16d693c3069c">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Cash Position Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> At times, the Fund may hold a significant portion of its net assets in cash (and cash equivalents), which may underperform relative to equity securities.</span>
</rr:RiskTextBlock>
<rr:BarChartAndPerformanceTableHeading contextRef="ClassACSharesMember_S000026226" id="cc71071c-723b-4915-945e-f64738aab369">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Performance</span>
</rr:BarChartAndPerformanceTableHeading>
<rr:PerformanceNarrativeTextBlock contextRef="ClassACSharesMember_S000026226" id="x_1030d430-932b-4792-9bd2-92c652d1300e">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Performance in the bar chart does not reflect the effect of the sales charge imposed on purchases of Class A Shares of the Fund. If the bar chart reflected the applicable sales charges, returns would be less than those shown.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and after taxes) is not necessarily an indication of </span><span style="color:#262626;font-family:Arial;font-size:9pt;">how it will perform in the future.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Updated performance information is available on the Fund’s website </span><span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span><span style="color:#262626;font-family:Arial;font-size:9pt;">.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund compares its performance to the S&P 500 Index, a broad based measure of market performance. The Fund also compares its performance to the HFRI Equity Hedge (Total) Index (the “HFRI Index”). The HFRI Index provides a more complete comparison of Fund performance relative to a broader array of long-short equity strategies. In addition, the HFRI Index utilizes shorting as a component of its construction, unlike the S&P 500 Index.</span>
</rr:PerformanceNarrativeTextBlock>
<rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="ClassACSharesMember_S000026226" id="dace7320-ae1a-486f-b13e-c919c03754fe">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span>
</rr:PerformanceInformationIllustratesVariabilityOfReturns>
<rr:BarChartDoesNotReflectSalesLoads contextRef="ClassACSharesMember_S000026226" id="x_834df24d-0887-47e1-9e21-0806b11a0962">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Performance in the bar chart does not reflect the effect of the sales charge imposed on purchases of Class A Shares of the Fund. If the bar chart reflected the applicable sales charges, returns would be less than those shown.</span>
</rr:BarChartDoesNotReflectSalesLoads>
<rr:PerformancePastDoesNotIndicateFuture contextRef="ClassACSharesMember_S000026226" id="x_6d7c5f85-db39-4d35-9563-e86eadea385b">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and after taxes) is not necessarily an indication of </span><span style="color:#262626;font-family:Arial;font-size:9pt;">how it will perform in the future.</span>
</rr:PerformancePastDoesNotIndicateFuture>
<rr:PerformanceAvailabilityWebSiteAddress contextRef="ClassACSharesMember_S000026226" id="dda75557-91c0-461d-95ae-3f56657d9650">
<span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span>
</rr:PerformanceAvailabilityWebSiteAddress>
<rr:BarChartHeading contextRef="ClassACSharesMember_S000026226" id="x_6fc86140-4c6b-4a06-9f1f-7f4e90832507">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;">Annual Total Return for Class A Shares</span><span style="color:#262626;font-family:Arial;font-size:10pt;line-height:12pt;"> </span><span style="color:#262626;font-family:Arial;font-size:10pt;font-style:italic;">as of December 31 (%)</span>
</rr:BarChartHeading>
<rr:BarChartClosingTextBlock contextRef="ClassACSharesMember_S000026226" id="x_060e945d-c873-445b-8dce-ccbb8c13a415">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">19.60%</span><span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q4 2018</span><span style="color:#262626;font-family:Arial;font-size:8pt;">-15.07%</span>
</rr:BarChartClosingTextBlock>
<rr:HighestQuarterlyReturnLabel contextRef="ClassACSharesMember_S000026226_C000078761" id="ef5423e6-04bd-44a0-8944-0eb8a1921c34">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span>
</rr:HighestQuarterlyReturnLabel>
<rr:BarChartHighestQuarterlyReturnDate contextRef="ClassACSharesMember_S000026226_C000078761" id="c0d28d84-9982-4cdd-ba5d-c4c4123afe1a"> 2020-06-30 </rr:BarChartHighestQuarterlyReturnDate>
<rr:BarChartHighestQuarterlyReturn contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_8278172c-b7ae-4886-99b6-712a284199d3" unitRef="pure"> 0.1960 </rr:BarChartHighestQuarterlyReturn>
<rr:LowestQuarterlyReturnLabel contextRef="ClassACSharesMember_S000026226_C000078761" id="x_893d77c9-e48a-43b1-ac29-8578d35b1b4c">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span>
</rr:LowestQuarterlyReturnLabel>
<rr:BarChartLowestQuarterlyReturnDate contextRef="ClassACSharesMember_S000026226_C000078761" id="x_53cac8b3-8a4d-41b1-8311-adc60f06e1e4"> 2018-12-31 </rr:BarChartLowestQuarterlyReturnDate>
<rr:BarChartLowestQuarterlyReturn contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_4ecc70ed-d8b8-4ab2-af22-05490468ae70" unitRef="pure"> -0.1507 </rr:BarChartLowestQuarterlyReturn>
<rr:PerformanceTableHeading contextRef="ClassACSharesMember_S000026226" id="x_357ca871-4f97-4560-8a99-6fbff74d8d53">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Average Annual Total Return as of December 31, 2023</span>
</rr:PerformanceTableHeading>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassACSharesMember_S000026226_C000078761" id="d111ea1d-00bd-4ec8-aa14-2eb48cb7dfde"> 2009-11-02 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_7ab5501f-b583-42c5-9fef-b8299ad9d208" unitRef="pure"> -0.0122 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_9ce9f44e-f1b2-46c0-95d5-ca251c02a15c" unitRef="pure"> 0.0798 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000026226_C000078761" decimals="4" id="x_89fe5eb0-05a4-4b97-b817-c1d4d2548a5b" unitRef="pure"> 0.0587 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000026226_C000078761_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_1dc9e49a-acf4-45d1-968e-d472fb8d6fe6" unitRef="pure"> -0.0122 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000026226_C000078761_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_159d46f7-0377-4508-aff5-92f280732bd4" unitRef="pure"> 0.0718 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000026226_C000078761_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_20e9768a-d02d-43a7-b757-47f5247fa532" unitRef="pure"> 0.0504 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000026226_C000078761_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_53478713-2c81-4f15-b476-c0ada747d9db" unitRef="pure"> -0.0072 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000026226_C000078761_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_669dd779-0ecf-4f71-be3f-8562577114d3" unitRef="pure"> 0.0620 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000026226_C000078761_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_79b70408-e214-44b7-b76f-763b146ae92f" unitRef="pure"> 0.0452 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassACSharesMember_S000026226_C000098121" id="a023fb22-675c-438e-8977-3bd524c62a24"> 2010-12-29 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000026226_C000098121" decimals="4" id="cb59f5ba-a768-43e9-afd9-c35b1f6bac1d" unitRef="pure"> 0.0245 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000026226_C000098121" decimals="4" id="x_54a7ee46-ba9f-4ba8-b926-960fc8353c82" unitRef="pure"> 0.0834 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000026226_C000098121" decimals="4" id="x_09c99f87-9f27-4d60-8253-bb0d07b8e5ef" unitRef="pure"> 0.0564 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000026226_SP500IndexMember" decimals="4" id="ac6c5bed-dd18-45b8-b22d-2c36ce1924e0" unitRef="pure"> 0.2629 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000026226_SP500IndexMember" decimals="4" id="x_9092ae0c-2c75-4bf9-bf08-cb90e774afb2" unitRef="pure"> 0.1569 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000026226_SP500IndexMember" decimals="4" id="x_5e5064d0-0cfb-467e-94ff-dec9c2b7fe79" unitRef="pure"> 0.1203 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000026226_HFRIEquityHedgeTotalIndexMember" decimals="4" id="ee0122eb-ae87-474e-b284-8b37023e0268" unitRef="pure"> 0.1044 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000026226_HFRIEquityHedgeTotalIndexMember" decimals="4" id="ca35b4c0-8d05-4e2f-9ea1-6c256a7e9770" unitRef="pure"> 0.0824 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000026226_HFRIEquityHedgeTotalIndexMember" decimals="4" id="be517ff2-b864-4eaf-ba19-6a66ca66ab51" unitRef="pure"> 0.0521 </rr:AverageAnnualReturnYear10>
<rr:PerformanceTableNarrativeTextBlock contextRef="ClassACSharesMember_S000026226" id="x_46978c3b-ec15-43f6-8d7c-a50ca05dc057">
<span style="color:#262626;font-family:Arial;font-size:9pt;">In the foregoing table, </span><span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">After-tax returns for Class C Shares, which are not shown, will vary from those shown for Class A Shares.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">A “Return After Taxes on Distributions and Sale of Fund Shares” may sometimes be </span><span style="color:#262626;font-family:Arial;font-size:9pt;">higher than the other two return figures; this happens when there is a capital loss on redemptions, giving rise to a tax benefit to the shareholder.</span>
</rr:PerformanceTableNarrativeTextBlock>
<rr:PerformanceTableUsesHighestFederalRate contextRef="ClassACSharesMember_S000026226" id="x_96eec943-cc5e-454c-9a49-04932daf28e3">
<span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span>
</rr:PerformanceTableUsesHighestFederalRate>
<rr:PerformanceTableNotRelevantToTaxDeferred contextRef="ClassACSharesMember_S000026226" id="x_1c33e53c-9956-464c-99bc-4141401fe559">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNotRelevantToTaxDeferred>
<rr:PerformanceTableOneClassOfAfterTaxShown contextRef="ClassACSharesMember_S000026226" id="x_2e0a9308-05df-4de1-be2e-611c42ee80a5">
<span style="color:#262626;font-family:Arial;font-size:9pt;">After-tax returns for Class C Shares, which are not shown, will vary from those shown for Class A Shares.</span>
</rr:PerformanceTableOneClassOfAfterTaxShown>
<rr:PerformanceTableExplanationAfterTaxHigher contextRef="ClassACSharesMember_S000026226" id="cbbe7a69-6c65-46ba-b55c-32a61b5f1e95">
<span style="color:#262626;font-family:Arial;font-size:9pt;">A “Return After Taxes on Distributions and Sale of Fund Shares” may sometimes be </span><span style="color:#262626;font-family:Arial;font-size:9pt;">higher than the other two return figures; this happens when there is a capital loss on redemptions, giving rise to a tax benefit to the shareholder.</span>
</rr:PerformanceTableExplanationAfterTaxHigher>
<rr:RiskReturnHeading contextRef="ClassACSharesMember_S000030688" id="x_268d0b07-596c-499d-9169-6e9dec3abffb">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Alger Emerging Markets Fund</span>
</rr:RiskReturnHeading>
<rr:ObjectiveHeading contextRef="ClassACSharesMember_S000030688" id="x_04f5b552-e30d-468d-91ad-4c75ce0f66e5">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span>
</rr:ObjectiveHeading>
<rr:ObjectivePrimaryTextBlock contextRef="ClassACSharesMember_S000030688" id="x_2f38895b-92f9-4547-8cfe-91054cadf0c7">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Alger Emerging Markets Fund seeks long-term capital appreciation.</span>
</rr:ObjectivePrimaryTextBlock>
<rr:ExpenseHeading contextRef="ClassACSharesMember_S000030688" id="x_9eef5bb9-5cd1-40c6-9f90-fdbcb8cdd68a">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Fund Fees and Expenses</span>
</rr:ExpenseHeading>
<rr:ExpenseNarrativeTextBlock contextRef="ClassACSharesMember_S000030688" id="c9970d88-c90e-43a3-ab69-22ae9c46198e">
<span style="color:#262626;font-family:Arial;font-size:9pt;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. </span><span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least </span><span style="color:#262626;font-family:Arial;font-size:9pt;">$25,000</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> in Class A Shares of the Alger Family of Funds, including the Fund.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> More information about these and other discounts is </span><span style="color:#262626;font-family:Arial;font-size:9pt;">available from your financial professional and in “Purchasing and Redeeming Fund Shares” on page 34 and in Appendix A – Waivers and Discounts Available from Intermediaries on page A-1 in the Fund’s Prospectus, and in the sections “Right of Accumulation (Class A Shares)” and “Letter of Intent (Class A)” on page 39 of the Fund’s Statement of Additional Information.</span>
</rr:ExpenseNarrativeTextBlock>
<rr:ExpenseBreakpointDiscounts contextRef="ClassACSharesMember_S000030688" id="cdd85766-143a-4147-a683-af4a26680afb">
<span style="color:#262626;font-family:Arial;font-size:9pt;">You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least </span><span style="color:#262626;font-family:Arial;font-size:9pt;">$25,000</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> in Class A Shares of the Alger Family of Funds, including the Fund.</span>
</rr:ExpenseBreakpointDiscounts>
<rr:ExpenseBreakpointMinimumInvestmentRequiredAmount contextRef="ClassACSharesMember_S000030688" decimals="INF" id="x_077d7f7b-ce45-430c-9435-81fb3ae441df" unitRef="USD"> 25000 </rr:ExpenseBreakpointMinimumInvestmentRequiredAmount>
<rr:ShareholderFeesCaption contextRef="ClassACSharesMember_S000030688" id="x_92dca496-8e84-4461-81ba-67d1b52c777d">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Shareholder Fees</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(fees paid directly from your investment)</span>
</rr:ShareholderFeesCaption>
<rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="ebe41e60-ee50-412a-a92e-868def0bb7bc" unitRef="pure"> 0.0525 </rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
<rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice contextRef="ClassACSharesMember_S000030688_C000095100" decimals="4" id="x_935bad47-d344-4dae-83e7-0781dcaa8160" unitRef="pure"> 0 </rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
<rr:MaximumDeferredSalesChargeOverOfferingPrice contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="x_5a5cf7fe-351d-467e-ae65-82ff9f04a652" unitRef="pure"> 0 </rr:MaximumDeferredSalesChargeOverOfferingPrice>
<rr:MaximumDeferredSalesChargeOverOfferingPrice contextRef="ClassACSharesMember_S000030688_C000095100" decimals="4" id="de745056-f5b3-4eed-9c52-3823add05678" unitRef="pure"> 0.0100 </rr:MaximumDeferredSalesChargeOverOfferingPrice>
<rr:OperatingExpensesCaption contextRef="ClassACSharesMember_S000030688" id="f56e1057-8800-4e7a-ab86-609c144c29bd">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Annual Fund Operating Expenses</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(expenses that you pay each year as a percentage of the value of your investment)</span>
</rr:OperatingExpensesCaption>
<rr:ManagementFeesOverAssets contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="x_9ff9d35d-10c5-4d7e-a767-60138f966435" unitRef="pure"> 0.0075 </rr:ManagementFeesOverAssets>
<rr:ManagementFeesOverAssets contextRef="ClassACSharesMember_S000030688_C000095100" decimals="4" id="x_30804660-012e-42f7-85e6-d369c6a0849b" unitRef="pure"> 0.0075 </rr:ManagementFeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="b42f88b3-afd7-4147-97a5-626c78a3248c" unitRef="pure"> 0.0025 </rr:DistributionAndService12b1FeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassACSharesMember_S000030688_C000095100" decimals="4" id="ff059faa-aa1a-4d2c-affc-563f6949d067" unitRef="pure"> 0.0100 </rr:DistributionAndService12b1FeesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="ec026608-063f-42d3-a3f1-a7f92e022809" unitRef="pure"> 0.0111 </rr:OtherExpensesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassACSharesMember_S000030688_C000095100" decimals="4" id="x_5f9b1141-d099-43eb-a69a-45cddc7f1dcf" unitRef="pure"> 0.0115 </rr:OtherExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="d17f181b-feec-4d98-8755-b52efe60cc90" unitRef="pure"> 0.0211 </rr:ExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassACSharesMember_S000030688_C000095100" decimals="4" id="x_265d5b76-157d-40a1-a37e-5d7be5f70057" unitRef="pure"> 0.0290 </rr:ExpensesOverAssets>
<rr:FeeWaiverOrReimbursementOverAssets contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="x_4f2d00e2-12c4-444a-83c6-ce93cd821d27" unitRef="pure"> -0.0054 </rr:FeeWaiverOrReimbursementOverAssets>
<rr:FeeWaiverOrReimbursementOverAssets contextRef="ClassACSharesMember_S000030688_C000095100" decimals="4" id="b624adb0-c05a-46cb-b7ef-aa9b14727e45" unitRef="pure"> -0.0058 </rr:FeeWaiverOrReimbursementOverAssets>
<rr:NetExpensesOverAssets contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="c6f0c488-d413-4b05-b5da-271bc4211914" unitRef="pure"> 0.0157 </rr:NetExpensesOverAssets>
<rr:NetExpensesOverAssets contextRef="ClassACSharesMember_S000030688_C000095100" decimals="4" id="x_72a39054-c8e3-4f85-b654-ec391d3abb21" unitRef="pure"> 0.0232 </rr:NetExpensesOverAssets>
<rr:ExpensesDeferredChargesTextBlock contextRef="ClassACSharesMember_S000030688" id="x_108e8df0-cd55-404c-8b62-cd55983fe23f">
<span style="color:#262626;font-family:Arial;font-size:8pt;">Purchases of $1 million or more of Class A Shares at net asset value may be subject to a contingent deferred sales charge of 1.00% on redemptions made within 12 months of purchase.</span>
</rr:ExpensesDeferredChargesTextBlock>
<rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="ClassACSharesMember_S000030688" id="x_67b2a2e5-2cb1-44ee-a91a-2e93550d7775">
<span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</span><span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</span>
</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
<rr:ExpenseExampleHeading contextRef="ClassACSharesMember_S000030688" id="x_9f9c02d7-0a7a-47be-becb-518c1b965cdf">
<span style="color:#0065D2;font-family:Arial;font-size:9pt;font-weight:bold;">Example</span>
</rr:ExpenseExampleHeading>
<rr:ExpenseExampleNarrativeTextBlock contextRef="ClassACSharesMember_S000030688" id="fbdad454-156a-4d19-92f2-ce342c7df129">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The examples assume that you invest $10,000 in the Fund for the time periods indicated, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. The one-year example and the period of the three-, five- and ten-year examples through October 31, 2025 are based on net operating expenses, which reflect the contractual expense limitation agreed to by the Manager. Although your actual costs may be higher or lower, based on these assumptions you would pay the following expenses if you redeemed your shares at the end of each period:</span>
</rr:ExpenseExampleNarrativeTextBlock>
<rr:ExpenseExampleYear01 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="INF" id="ae24852a-3bfd-4886-9a82-7ba433263a08" unitRef="USD"> 676 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="INF" id="b7e685da-eeb2-4918-b8fa-f21036dab816" unitRef="USD"> 1067 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="INF" id="c59e1ed5-e915-40cd-8f04-c0e4ffb54415" unitRef="USD"> 1519 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="INF" id="e6df70e5-8243-4185-a111-3998462839c2" unitRef="USD"> 2769 </rr:ExpenseExampleYear10>
<rr:ExpenseExampleYear01 contextRef="ClassACSharesMember_S000030688_C000095100" decimals="INF" id="f89ee3a2-3ee0-4d49-b4d9-d17e9ad38bfe" unitRef="USD"> 335 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassACSharesMember_S000030688_C000095100" decimals="INF" id="bd3abe49-004e-4237-b9c5-2d4e212f2c50" unitRef="USD"> 805 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassACSharesMember_S000030688_C000095100" decimals="INF" id="e95f1998-3173-435c-b34e-f9d796640d82" unitRef="USD"> 1441 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassACSharesMember_S000030688_C000095100" decimals="INF" id="x_9d21890e-940a-4216-bdea-a437930e889a" unitRef="USD"> 3153 </rr:ExpenseExampleYear10>
<rr:ExpenseExampleNoRedemptionByYearCaption contextRef="ClassACSharesMember_S000030688" id="x_738205e9-8f8a-4d92-afbb-94842acf656a">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;margin-left:36pt;">You would pay the following expenses if you did not redeem your shares:</span>
</rr:ExpenseExampleNoRedemptionByYearCaption>
<rr:ExpenseExampleNoRedemptionYear01 contextRef="ClassACSharesMember_S000030688_C000095100" decimals="INF" id="ffc272bd-9c6e-45f8-ae68-1cb62349badc" unitRef="USD"> 235 </rr:ExpenseExampleNoRedemptionYear01>
<rr:ExpenseExampleNoRedemptionYear03 contextRef="ClassACSharesMember_S000030688_C000095100" decimals="INF" id="aad67574-a7b7-42fa-ab29-889d37f7177e" unitRef="USD"> 805 </rr:ExpenseExampleNoRedemptionYear03>
<rr:ExpenseExampleNoRedemptionYear05 contextRef="ClassACSharesMember_S000030688_C000095100" decimals="INF" id="x_137f18e4-820e-417a-86d5-bef8409f066f" unitRef="USD"> 1441 </rr:ExpenseExampleNoRedemptionYear05>
<rr:ExpenseExampleNoRedemptionYear10 contextRef="ClassACSharesMember_S000030688_C000095100" decimals="INF" id="x_95834ad4-d18c-47bf-b094-77d39d3f7643" unitRef="USD"> 3153 </rr:ExpenseExampleNoRedemptionYear10>
<rr:PortfolioTurnoverHeading contextRef="ClassACSharesMember_S000030688" id="x_765d3113-14b2-4f3e-8a46-df4688c45afa">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Portfolio Turnover</span>
</rr:PortfolioTurnoverHeading>
<rr:PortfolioTurnoverTextBlock contextRef="ClassACSharesMember_S000030688" id="x_5ee2d62f-ef3a-42c3-aac2-0a23fb323914">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was </span><span style="color:#262626;font-family:Arial;font-size:9pt;">109.60</span><span style="color:#262626;font-family:Arial;font-size:9pt;">% of the average value of its portfolio.</span>
</rr:PortfolioTurnoverTextBlock>
<rr:PortfolioTurnoverRate contextRef="ClassACSharesMember_S000030688" decimals="4" id="c12ee94a-5d4f-4b45-ba96-cc803c9f0d68" unitRef="pure"> 1.0960 </rr:PortfolioTurnoverRate>
<rr:StrategyHeading contextRef="ClassACSharesMember_S000030688" id="fa62a37f-804e-46fa-9173-9de95ede7e7b">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Investment Strategy</span>
</rr:StrategyHeading>
<rr:StrategyNarrativeTextBlock contextRef="ClassACSharesMember_S000030688" id="aa8eec85-6392-4bbe-b3ec-c127d92f2bf7">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund is sub-advised by Redwood Investments, LLC (“Redwood”), an affiliate of the Manager (Redwood and the Manager, collectively referred to as the “Manager,” where applicable).  Subject to the general supervision by the Fund’s Board of Trustees, the Manager oversees Redwood and evaluates its performance results. The Manager reviews portfolio performance, compliance with investment guidelines and federal securities laws, and changes in key personnel of Redwood. Redwood is primarily responsible for the day-to-day management of the Fund’s portfolio, including purchases and sales of individual securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in companies that it believes meet three primary criteria: (1) high quality companies, (2) which are attractively valued, and (3) where the Manager believes that future earnings and free cash flow growth will be meaningfully above what is expected by the market. High quality companies are those companies that offer strong earnings visibility and sustainability because of their durable competitive advantages, capable management teams, and prudent financial management. The Manager focuses on understanding industry and company dynamics to assess company quality, and on identifying and forecasting critical drivers to reach a differentiated view of future growth.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund is an all-cap, all-country, opportunistic focus fund which generally holds less than 50 holdings. Fund holdings may differ from this number for a variety of reasons, including, among others, because of extreme market volatility, such as when the Fund has entered a temporary defensive position. Additionally, the Fund may exceed the stated number of holdings when it acquires a new holding and determines that it is in the best interests of shareholders to sell an existing holding over a period of time, instead of immediately selling the entire holding.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Under normal circumstances, the Fund invests at least 80% of its net assets, plus any borrowings for investment purposes, in equity securities, including common stocks, American Depositary Receipts and Global Depositary Receipts, of emerging country issuers. The Manager may consider classifications including those of the World Bank, the International Finance Corporation, or the United Nations (and its agencies) in determining whether a country is an emerging country. Emerging countries include, but are not limited to, the countries that comprise the MSCI Emerging Markets Index. Currently, most Central and South American, African, Asian and Eastern European nations, among others, are considered emerging countries.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may invest up to 20% of its net assets in equity securities, including common stocks, American Depositary Receipts and Global Depositary Receipts, of frontier country issuers. Frontier countries include, but are not limited to, the countries that comprise the MSCI Frontier Markets Index.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">For purposes of the Fund’s investment strategies, the issuer of a security is considered to be located in a country if: (i) the company is organized under the laws of, or has a principal office in that country, (ii) the company’s securities are primarily listed in that country, or (iii) a majority of its assets are in, or a majority of its revenue or profits from businesses, investments or sales are from, that country. An emerging or frontier country issuer may also include an exchange-traded fund that is principally invested in equity securities of emerging or frontier market country issuers.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund generally invests in at least three emerging countries, and, at times, may invest a substantial portion of its assets in a single emerging country. The Fund may invest in companies of any market capitalization, from larger, well-established companies to small, emerging growth companies.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund generally invests a substantial portion of its assets in a smaller number of issuers. The Fund may invest a significant portion of its assets in securities of companies conducting business within a single sector, as defined by third party sources.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell a stock when it reaches a target price, it fails to perform as expected, or other opportunities appear more attractive. As a result, the Fund may engage in active trading of portfolio securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in cash (and cash equivalents) when the Fund is unable to find enough attractive long-term investments to meet its investment objective, to meet redemptions and/or when the Manager believes it is advisable to do so during times of short-term market volatility. During these times, cash (and cash equivalents) will not exceed 15% of the Fund’s net assets.</span>
</rr:StrategyNarrativeTextBlock>
<rr:RiskHeading contextRef="ClassACSharesMember_S000030688" id="x_7e130423-58ca-4f31-b8d7-e486f11f8bcc">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Risks</span>
</rr:RiskHeading>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_RiskLoseMoneyMember" id="eac56eba-2fa3-473d-a515-3c082f732c10">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s share price may go down, which means you could lose money.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_RiskNotInsuredDepositoryInstitutionMember" id="x_14ed9ac1-af45-4848-8d52-f88af6c4b1db">
<span style="color:#262626;font-family:Arial;font-size:9pt;">An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_InvestmentRiskMember" id="daba655a-c3a4-4c45-80d4-2d0305e287e7">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Investment Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_MarketRiskMember" id="e6c1f4dd-c496-4421-aa5d-beb970a424ee">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Market Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Your investment in Fund shares represents an indirect investment in the securities owned by the Fund. The value of these securities, like other investments, may move up or down, sometimes rapidly and unpredictably. Your Fund shares at any point in time may be worth less than what you invested, even after taking into account the reinvestment of Fund dividends and distributions. Local, regional or global events such as environmental or natural disasters, war, terrorism, pandemics, outbreaks of infectious diseases, and similar public health threats, recessions, or other events could have a significant impact on the Fund and its investments.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_EquitySecuritiesRiskMember" id="x_2c62d55b-3977-458f-ba94-9a2fce52902c">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Equity Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> As with any fund that invests in stocks, your investment will fluctuate in value, and the loss of your investment is a risk of investing. The Fund’s price per share will fluctuate due to changes in the market prices of its investments. Also, the Fund’s investments may not grow as fast as the rate of inflation and stocks tend to be more volatile than some other investments you could make, such as bonds.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_GrowthSecuritiesRiskMember" id="x_1de30761-0e70-4e45-b557-ac5e618cc155">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Growth Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prices of growth stocks tend to be higher in relation to their companies’ earnings and may be more sensitive to market, political and economic developments than other stocks, making their prices more volatile. An investment in the Fund may be better suited to investors who seek long-term capital growth and can tolerate fluctuations in their investment’s value.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_ForeignSecuritiesRiskMember" id="e2dff431-e2fe-41c6-b246-c4084b564d04">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Foreign Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund’s performance will be influenced by political, social and economic factors affecting investments in foreign companies. Special risks associated with investments in foreign companies include exposure to currency fluctuations, lack of liquidity, potential for market manipulation, less developed or less efficient trading markets, limited access to reliable capital, lack of comprehensive company information, political instability, differing audit, regulatory, and legal standards and lack of financial reporting standards.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_EmergingMarketsRiskMember" id="af894cb3-fe14-4499-8cee-dc8307b08219">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Emerging Markets Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may invest in issuers located in emerging markets, and therefore may be exposed to the economies, industries, securities and currency markets of such countries, which may be adversely affected by protectionist trade policies, a slow U.S. economy, political and social instability, regional and global conflicts, terrorism and war, including actions that are contrary to the interests of the United States. Emerging markets are riskier than more developed markets because they tend to develop unevenly and may never fully develop. Investments in emerging markets may be considered speculative. Emerging markets are more likely to experience hyperinflation and currency devaluations, which adversely affect returns to U.S. investors. In addition, many emerging securities markets have far lower trading volumes and less liquidity than developed markets. The Fund, individually or in combination with other shareholders, may have limited rights and remedies against emerging market issuers.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_FrontierMarketsRiskMember" id="b2ff94ae-6c0c-4911-b214-9dc038ebbfd2">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Frontier Markets Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may invest in issuers located in frontier countries. Frontier markets are those emerging markets that are considered to be among the smallest, least mature and least liquid, and as a result, may be more likely to experience inflation, political turmoil and rapid changes in economic conditions than more developed and traditional emerging markets. Investments in frontier markets may be subject to a greater risk of loss than investments in more developed and traditional emerging markets. Frontier markets often have less uniformity in accounting, auditing and financial reporting requirements, unreliable securities valuations and greater risk associated with custody of securities. Economic, political and currency risks may be more pronounced with respect to investments in frontier markets than in emerging markets.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_SmallCapSecuritiesRiskMember" id="ca46bb4e-f16c-40f3-83aa-d52fb42b5bb7">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Small Cap Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> There may be greater risk in investing in companies with small market capitalizations rather than larger, more established companies owing to such factors as more limited product lines or financial resources or lack of management depth. It may also be difficult or impossible to liquidate a security position at a time and price acceptable to the Fund because of the potentially less frequent trading of stocks of smaller market capitalization.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_SectorRiskMember" id="x_62f6a011-c71e-49b1-a0e9-0afd03f7a723">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Sector Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may have a significant portion of its assets invested in securities of companies conducting business within a single sector, as defined by third party sources. Companies in the same sector may be similarly affected by economic, regulatory, political or market events or conditions, which may make the Fund more vulnerable to unfavorable developments in that sector than a fund that has a more diversified portfolio. Generally, the more broadly the Fund invests, the more it spreads risk and potentially reduces the risks of loss and volatility.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_ConsumerDiscretionarySectorRiskMember" id="c1056268-6fdd-4ae4-9b52-1f9a8a56dbfb">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Consumer Discretionary Sector Risk – The consumer discretionary sector may be affected by changes in domestic and international economies, exchange and interest rates, competition, consumers’ disposable income, consumer preferences, social trends and marketing campaigns.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_FinancialsSectorRiskMember" id="x_2633c542-d580-41fc-bbaf-a386845ab832">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Financials Sector Risk – The Fund may have a significant portion of its assets invested in securities of financial services </span><span style="color:#262626;font-family:Arial;font-size:9pt;">companies, which means the Fund may be more affected by the performance of the financials sector than a fund that is more diversified. Financial services companies are subject to extensive governmental regulation which may limit both the amounts and types of loans and other financial commitments they can make, the interest rates and fees they can charge, the scope of their activities, the prices they can charge and the amount of capital they must maintain. Certain events in the financials sector may cause an unusually high degree of volatility in the financial markets, both domestic and foreign, and cause certain financial services companies to incur large losses.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_InformationTechnologySectorRiskMember" id="x_7c4bb75c-85c9-45b0-86d4-a639914953bd">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Information Technology Sector Risk – The Fund may have a significant portion of its assets invested in securities of technology-related companies. Therefore, the Fund may be more susceptible to particular risks that may affect companies in the information technology sector and technology-related sectors than if it were invested in a wider variety of companies in unrelated sectors. At times, the performance of such companies will lag the performance of other industries or the broader market as a whole. Certain technology related companies may face special risks that their products or services may not prove to be commercially successful. Technology related companies are also strongly affected by worldwide scientific or technological developments. As a result, their products may rapidly become obsolete. Such companies are also often subject to governmental regulation and may, therefore, be adversely affected by governmental policies. These factors may lead to limited earnings and/or failing profit margins. As a result, the value of technology related companies’ securities may fall or fail to rise. Many technology related companies’ securities have historically been more volatile than other securities, especially over the short term.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_SmallNumberofHoldingsRiskMember" id="bc67f139-1424-40dc-82e9-5082fe9768f1">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Small Number of Holdings Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Under normal circumstances, the Fund invests in a small number of issuers. Therefore, the Fund’s performance may be more vulnerable to changes in the market value of a single issuer and more susceptible to risks associated with a single economic, political, or regulatory occurrence than a fund that has a higher number of holdings.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_PortfolioTurnoverActiveTradingRiskMember" id="x_3b5c007e-8dd4-46ce-8ba8-4acdec3d886f">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Portfolio Turnover (Active Trading) Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because the Fund may engage in active trading of portfolio securities, it may incur increased transaction costs and brokerage commissions, both of which can lower the actual return on an investment. Active trading may also increase short-term gains and losses, which may affect the taxes a shareholder has to pay. The Fund may experience increased turnover as a result of the change in portfolio management and transition to investing in a smaller number of issuers.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassACSharesMember_S000030688_CashPositionRiskMember" id="x_0c083c52-8fda-4040-845e-0fee214a7978">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Cash Position Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> At times, the Fund may hold up to 15% of its net assets in cash (and cash equivalents), which may underperform relative to equity securities.</span>
</rr:RiskTextBlock>
<rr:BarChartAndPerformanceTableHeading contextRef="ClassACSharesMember_S000030688" id="b71a4f60-8f04-4068-94cd-159d42066d1b">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Performance</span>
</rr:BarChartAndPerformanceTableHeading>
<rr:PerformanceNarrativeTextBlock contextRef="ClassACSharesMember_S000030688" id="ef20e773-6175-4b27-a604-8fc549675bc1">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Performance in the bar chart does not reflect the effect of the sales charge imposed on purchases of Class A Shares of the Fund. If the bar chart reflected the applicable sales charges, returns would be less than those shown.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Before September 24, 2019, the Fund followed different investment strategies and was </span><span style="color:#262626;font-family:Arial;font-size:9pt;">managed by different portfolio managers. Performance prior to September 24, 2019 reflects these prior management styles and does not reflect the Fund's current investment strategies and investment personnel. </span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">after taxes) is not necessarily an indication of how it will perform in the future.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Updated performance information is available on </span><span style="color:#262626;font-family:Arial;font-size:9pt;">the Fund’s website </span><span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span><span style="color:#262626;font-family:Arial;font-size:9pt;">.</span>
</rr:PerformanceNarrativeTextBlock>
<rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="ClassACSharesMember_S000030688" id="x_15d0ee8e-81c0-459a-bdce-fd9d7ff28744">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span>
</rr:PerformanceInformationIllustratesVariabilityOfReturns>
<rr:BarChartDoesNotReflectSalesLoads contextRef="ClassACSharesMember_S000030688" id="e3deb01d-0989-4a52-b8e0-61b9217ace7c">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Performance in the bar chart does not reflect the effect of the sales charge imposed on purchases of Class A Shares of the Fund. If the bar chart reflected the applicable sales charges, returns would be less than those shown.</span>
</rr:BarChartDoesNotReflectSalesLoads>
<rr:PerformancePastDoesNotIndicateFuture contextRef="ClassACSharesMember_S000030688" id="e7e183b6-f816-4d17-902b-bf2f2e3ba305">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">after taxes) is not necessarily an indication of how it will perform in the future.</span>
</rr:PerformancePastDoesNotIndicateFuture>
<rr:PerformanceAvailabilityWebSiteAddress contextRef="ClassACSharesMember_S000030688" id="d8125741-f2d0-4c1a-82dd-19fadd62965c">
<span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span>
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<rr:BarChartHeading contextRef="ClassACSharesMember_S000030688" id="x_1f5b703d-5907-4e72-80ba-1f45c7b84b84">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;">Annual Total Return for Class A Shares</span><span style="color:#262626;font-family:Arial;font-size:10pt;line-height:12pt;"> </span><span style="color:#262626;font-family:Arial;font-size:10pt;font-style:italic;">as of December 31 (%)</span>
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<rr:BarChartClosingTextBlock contextRef="ClassACSharesMember_S000030688" id="x_94578984-7359-4280-97a1-3f04a2645757">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">27.05%</span><span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q1 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">-20.12%</span>
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<rr:HighestQuarterlyReturnLabel contextRef="ClassACSharesMember_S000030688_C000095099" id="x_6ac741b3-6dde-47ff-984c-3e2601813e1e">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span>
</rr:HighestQuarterlyReturnLabel>
<rr:BarChartHighestQuarterlyReturnDate contextRef="ClassACSharesMember_S000030688_C000095099" id="x_4a139e7e-dc4a-43e6-a2c6-c0252719ce28"> 2020-06-30 </rr:BarChartHighestQuarterlyReturnDate>
<rr:BarChartHighestQuarterlyReturn contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="x_1f734e09-9c94-42ca-a055-5f58549165a7" unitRef="pure"> 0.2705 </rr:BarChartHighestQuarterlyReturn>
<rr:LowestQuarterlyReturnLabel contextRef="ClassACSharesMember_S000030688_C000095099" id="x_7c7b1e06-cd02-457f-9d19-6b7791076b48">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span>
</rr:LowestQuarterlyReturnLabel>
<rr:BarChartLowestQuarterlyReturnDate contextRef="ClassACSharesMember_S000030688_C000095099" id="x_8f63af7b-3f5b-4711-a9fc-f01dd8f44603"> 2020-03-31 </rr:BarChartLowestQuarterlyReturnDate>
<rr:BarChartLowestQuarterlyReturn contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="df4c7354-49f2-4910-8d0e-6d0599f55d84" unitRef="pure"> -0.2012 </rr:BarChartLowestQuarterlyReturn>
<rr:PerformanceTableHeading contextRef="ClassACSharesMember_S000030688" id="x_4a583a3d-8d8f-40e7-af9a-4eed16c6893f">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Average Annual Total Return as of December 31, 2023</span>
</rr:PerformanceTableHeading>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassACSharesMember_S000030688_C000095099" id="x_8e4c3f62-4e3d-4efd-acac-1d2bc23183a1"> 2010-12-29 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="x_7f4ee8ae-c738-4183-8024-80517ef93eba" unitRef="pure"> 0.0745 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="d75cfdb7-0fa3-43a6-bcc4-ea95bb9ed3be" unitRef="pure"> 0.0336 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000030688_C000095099" decimals="4" id="b7308ced-ad7d-4000-92ea-35edc9ce036a" unitRef="pure"> 0.0141 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000030688_C000095099_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_2cb29615-25c9-4bdd-9d1c-6000ed6c3c8b" unitRef="pure"> 0.0745 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000030688_C000095099_ReturnAfterTaxesonDistributionsMember" decimals="4" id="d68aeaec-2778-4c00-b883-3dd21f257038" unitRef="pure"> 0.0288 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000030688_C000095099_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_7375fd04-4444-4328-8341-8efc40a31abb" unitRef="pure"> 0.0092 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000030688_C000095099_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_8843de10-370b-4ff1-9d0f-d0d5a38500b8" unitRef="pure"> 0.0441 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000030688_C000095099_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="edce8521-df48-4ebc-a0ef-f98163647d68" unitRef="pure"> 0.0245 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000030688_C000095099_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_61e3a00f-cbaf-4ea1-8ddb-6756d7aa7226" unitRef="pure"> 0.0090 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassACSharesMember_S000030688_C000095100" id="d9bfbd03-12b3-46cf-a8cc-f317237505d2"> 2010-12-29 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000030688_C000095100" decimals="4" id="x_16187cbf-f8a5-42f4-9873-c466378e85e9" unitRef="pure"> 0.1147 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000030688_C000095100" decimals="4" id="x_7d2b28c7-9219-42a6-b301-2934fc3863e8" unitRef="pure"> 0.0368 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000030688_C000095100" decimals="4" id="x_31d069b7-7924-4f21-b0d2-43ef9ef5a400" unitRef="pure"> 0.0117 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassACSharesMember_S000030688_MSCIEmergingMarketsIndexMember" decimals="4" id="x_3c4e8887-7142-4d75-8369-cfdcebebeb3a" unitRef="pure"> 0.1027 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassACSharesMember_S000030688_MSCIEmergingMarketsIndexMember" decimals="4" id="x_08baef69-6acd-4e88-98c6-0156052b6f6e" unitRef="pure"> 0.0407 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassACSharesMember_S000030688_MSCIEmergingMarketsIndexMember" decimals="4" id="cb2530cd-e378-4bad-bd35-e78036a178d0" unitRef="pure"> 0.0305 </rr:AverageAnnualReturnYear10>
<rr:PerformanceTableNarrativeTextBlock contextRef="ClassACSharesMember_S000030688" id="x_68910bcd-5d85-4b16-b15a-58127e8e07e8">
<span style="color:#262626;font-family:Arial;font-size:9pt;">In the foregoing table, </span><span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">After-tax returns for Class C Shares, which are not shown, will vary from those shown for Class A Shares.</span>
</rr:PerformanceTableNarrativeTextBlock>
<rr:PerformanceTableUsesHighestFederalRate contextRef="ClassACSharesMember_S000030688" id="x_2836c568-e87e-45b1-9592-b459831358dd">
<span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span>
</rr:PerformanceTableUsesHighestFederalRate>
<rr:PerformanceTableNotRelevantToTaxDeferred contextRef="ClassACSharesMember_S000030688" id="x_184c7c83-bc33-4308-ad40-175c53201773">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNotRelevantToTaxDeferred>
<rr:PerformanceTableOneClassOfAfterTaxShown contextRef="ClassACSharesMember_S000030688" id="x_288180c6-fe23-4921-ba5d-2723acc2e5b0">
<span style="color:#262626;font-family:Arial;font-size:9pt;">After-tax returns for Class C Shares, which are not shown, will vary from those shown for Class A Shares.</span>
</rr:PerformanceTableOneClassOfAfterTaxShown>
<rr:RiskReturnHeading contextRef="ClassISharesMember_S000009190" id="a8ed2f06-58ba-462f-931f-7458b226e5a7">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Alger Spectra Fund</span>
</rr:RiskReturnHeading>
<rr:ObjectiveHeading contextRef="ClassISharesMember_S000009190" id="x_559809e3-6997-4d04-9326-b18e5ed577cd">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span>
</rr:ObjectiveHeading>
<rr:ObjectivePrimaryTextBlock contextRef="ClassISharesMember_S000009190" id="f205d0b4-f069-4ffc-83fc-75877b9e8041">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Alger Spectra Fund seeks long-term capital appreciation.</span>
</rr:ObjectivePrimaryTextBlock>
<rr:ExpenseHeading contextRef="ClassISharesMember_S000009190" id="x_242480fc-d21c-4bf7-ad09-84cb3f3b14c8">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Fund Fees and Expenses</span>
</rr:ExpenseHeading>
<rr:ExpenseNarrativeTextBlock contextRef="ClassISharesMember_S000009190" id="a1f28bf2-a743-4966-8fc8-7ec3c7fa4427">
<span style="color:#262626;font-family:Arial;font-size:9pt;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. </span><span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below.</span>
</rr:ExpenseNarrativeTextBlock>
<rr:ShareholderFeesCaption contextRef="ClassISharesMember_S000009190" id="x_1f684677-b0e8-46d0-a0c5-90d47740c410">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Shareholder Fees</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(fees paid directly from your investment)</span>
</rr:ShareholderFeesCaption>
<rr:ShareholderFeeOther contextRef="ClassISharesMember_S000009190_C000068368" decimals="INF" id="ea965f27-ace4-4a67-aae3-5b6f24646b2c" unitRef="USD"> 0 </rr:ShareholderFeeOther>
<rr:OperatingExpensesCaption contextRef="ClassISharesMember_S000009190" id="x_75165d1e-c954-4907-be6a-155e899e60dd">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Annual Fund Operating Expenses</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(expenses that you pay each year as a percentage of the value of your investment)</span>
</rr:OperatingExpensesCaption>
<rr:ManagementFeesOverAssets contextRef="ClassISharesMember_S000009190_C000068368" decimals="4" id="b1d1157a-9dc1-42d2-8847-26d2c97f3839" unitRef="pure"> 0.0085 </rr:ManagementFeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassISharesMember_S000009190_C000068368" decimals="4" id="cf067309-75c3-47f9-8fe6-2316c27e51b1" unitRef="pure"> 0.0025 </rr:DistributionAndService12b1FeesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassISharesMember_S000009190_C000068368" decimals="4" id="x_3fe1d8ad-36a9-4c97-b16d-97ba5d231098" unitRef="pure"> 0.0040 </rr:OtherExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassISharesMember_S000009190_C000068368" decimals="4" id="d6ccf16a-b9cf-42c2-89de-b11e34e4be51" unitRef="pure"> 0.0150 </rr:ExpensesOverAssets>
<rr:ExpenseBreakpointDiscounts contextRef="ClassISharesMember_S000009190" id="c346d91d-a15e-41ed-9358-8e1aa18769a6">
<span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $2 billion is .90%, for assets between $2 billion and $4 billion is .75%, for assets between $4 billion and $6 billion is .65%, for assets between $6 billion and $8 billion is .55%, and for assets in excess of $8 billion is .45%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023</span><span style="color:#262626;font-family:Arial;font-size:8pt;">was .85%.</span>
</rr:ExpenseBreakpointDiscounts>
<rr:ExpenseExampleHeading contextRef="ClassISharesMember_S000009190" id="e64a6e9b-a39b-4470-a138-bd4e0e29e8d6">
<span style="color:#0065D2;font-family:Arial;font-size:9pt;font-weight:bold;">Example</span>
</rr:ExpenseExampleHeading>
<rr:ExpenseExampleNarrativeTextBlock contextRef="ClassISharesMember_S000009190" id="x_6cd41ff5-c374-4fae-8550-27a8c2d8897d">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions you would pay the following expenses whether or not you redeemed your shares at the end of each period:</span>
</rr:ExpenseExampleNarrativeTextBlock>
<rr:ExpenseExampleYear01 contextRef="ClassISharesMember_S000009190_C000068368" decimals="INF" id="a74eddc6-1dec-4ff9-98f8-b596ea03050a" unitRef="USD"> 153 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassISharesMember_S000009190_C000068368" decimals="INF" id="x_1c2ec25f-3fb8-4163-9b77-a1874c3c49e8" unitRef="USD"> 474 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassISharesMember_S000009190_C000068368" decimals="INF" id="x_26775a80-c337-4e71-8691-d9d0b85ee9c9" unitRef="USD"> 818 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassISharesMember_S000009190_C000068368" decimals="INF" id="a2145e97-d4c3-4ba2-990f-81186392a84c" unitRef="USD"> 1790 </rr:ExpenseExampleYear10>
<rr:PortfolioTurnoverHeading contextRef="ClassISharesMember_S000009190" id="x_7917de39-7882-491a-b878-dfefb55b4c6c">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Portfolio Turnover</span>
</rr:PortfolioTurnoverHeading>
<rr:PortfolioTurnoverTextBlock contextRef="ClassISharesMember_S000009190" id="a6de2681-715a-4fb6-9423-13eecef702c9">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was </span><span style="color:#262626;font-family:Arial;font-size:9pt;">59.63</span><span style="color:#262626;font-family:Arial;font-size:9pt;">% of the average value of its portfolio.</span>
</rr:PortfolioTurnoverTextBlock>
<rr:PortfolioTurnoverRate contextRef="ClassISharesMember_S000009190" decimals="4" id="de5379b7-5478-4c87-a1c7-ff0949462f82" unitRef="pure"> 0.5963 </rr:PortfolioTurnoverRate>
<rr:StrategyHeading contextRef="ClassISharesMember_S000009190" id="b9438029-4b23-4dc0-8c42-077bf3eb5503">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Investment Strategy</span>
</rr:StrategyHeading>
<rr:StrategyNarrativeTextBlock contextRef="ClassISharesMember_S000009190" id="c4ea1ccc-f90a-456a-ad7d-50808341df45">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Manager believes companies undergoing Positive Dynamic Change offer the best opportunities. Positive Dynamic Change refers to companies realizing High Unit Volume Growth or companies undergoing Positive Lifecycle Change. High Unit Volume Growth companies are traditional growth companies experiencing, for example, rapidly growing demand or market dominance. Positive Lifecycle Change companies are, for example, companies benefitting from new regulations, a new product innovation or new management.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests primarily in the equity securities of companies of any size that the Manager believes demonstrate promising growth potential. Equity securities include common or preferred stocks that are listed on U.S. or foreign exchanges.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell securities short, which is the sale of a security the Fund does not own either to hedge a portfolio position or to seek to profit on the decline in value of the securities sold. The Fund arranges with a broker to borrow the security being sold short, </span><span style="color:#262626;font-family:Arial;font-size:9pt;">and replaces the security by buying it at the current market price when it closes out the short sale. If the price of the security sold short has increased since the time of the short sale, the Fund will incur a loss in addition to the costs associated with establishing, maintaining and closing out the short position. If the price of the security sold short has decreased since the time of the short sale, the Fund will experience a gain to the extent the difference in price is greater than these costs. The Fund will not make a short sale if, after giving effect to such sale, the market value of all securities sold short exceeds 10% of the value of its net assets.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may invest a significant portion of its assets in securities of companies conducting business within a single sector, as defined by third party sources, including the information technology, consumer discretionary, health care, and communication services sectors.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund can leverage, that is, borrow money to purchase additional securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell a stock when it reaches a target price, it fails to perform as expected, or other opportunities appear more attractive. As a result, the Fund may engage in active trading of portfolio securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund can invest in foreign securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in cash (and cash equivalents) when the Fund is unable to find enough attractive long-term investments to meet its investment objective, to meet redemptions and/or when the Manager believes it is advisable to do so during times of short-term market volatility. During these times, cash (and cash equivalents) will not exceed 15% of the Fund’s net assets.</span>
</rr:StrategyNarrativeTextBlock>
<rr:RiskHeading contextRef="ClassISharesMember_S000009190" id="x_6655bc1c-2a8d-4574-897f-b5028a85d1aa">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Risks</span>
</rr:RiskHeading>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_RiskLoseMoneyMember" id="f83991ca-a7f9-4404-9162-d5b360a3aaea">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s share price may go down, which means you could lose money.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_RiskNotInsuredDepositoryInstitutionMember" id="x_5d7a5940-f52a-4452-abb0-b8aacd860ffe">
<span style="color:#262626;font-family:Arial;font-size:9pt;">An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_InvestmentRiskMember" id="x_2bb943df-be5d-46bc-a9a0-e8a7b68daa4a">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Investment Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_MarketRiskMember" id="x_1fda7d2d-ea58-4aa2-9ec0-e36d2be8b75f">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Market Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Your investment in Fund shares represents an indirect investment in the securities owned by the Fund. The value of these securities, like other investments, may move up or down, sometimes rapidly and unpredictably. Your Fund shares at any point in time may be worth less than what you invested, even after taking into account the reinvestment of Fund dividends and distributions. Local, regional or global events such as environmental or natural disasters, war, terrorism, pandemics, outbreaks of infectious diseases, and similar public health threats, recessions, or other events could have a significant impact on the Fund and its investments.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_EquitySecuritiesRiskMember" id="cb81d570-cc01-43fb-8768-e6c63104222d">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Equity Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> As with any fund that invests in stocks, your investment will fluctuate in value, and the loss of your investment is a risk of investing. The Fund’s price per share will fluctuate due to changes in the market prices of its investments. Also, the Fund’s investments may not grow as fast as the rate of inflation and stocks tend to be more volatile than some other investments you could make, such as bonds.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_GrowthSecuritiesRiskMember" id="x_89cd2b37-7ac2-49c8-be1c-7b14701f8247">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Growth Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prices of growth stocks tend to be higher in relation to their companies’ earnings and may be more sensitive to market, political and economic developments than other stocks, making their prices more volatile. An investment in the Fund may be better suited to investors who seek long-term capital growth and can tolerate fluctuations in their investment’s value.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_ShortSalesRiskMember" id="x_1d367c90-8590-47fd-ac07-8e18fba278a9">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Short Sales Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because making short sales in securities that it does not own exposes the Fund to the risks associated with those securities, such short sales involve speculative exposure risk. The market price of a security may increase after the Fund borrows the security in order to sell it short, so that the Fund suffers a loss when it replaces the borrowed security at the higher price. The use of short sales could increase the Fund’s exposure to the market, magnifying losses and increasing volatility. Short sale transactions involve leverage because they can provide investment exposure in an amount exceeding the initial investment. Although the Fund’s gain is limited to the amount at which it sold a security short, its potential loss is limited only by the maximum attainable price of the security, less the price at which the security was sold and may, theoretically, be unlimited.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_SectorRiskMember" id="a118350f-2694-49d5-b861-1ba5e53282de">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Sector Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may have a significant portion of its assets invested in securities of companies conducting business within a single sector, as defined by third party sources. Companies in the same sector may be similarly affected by economic, regulatory, political or market events or conditions, which may make the Fund more vulnerable to unfavorable developments in that sector than a fund that has a more diversified portfolio. Generally, the more broadly the Fund invests, the more it spreads risk and potentially reduces the risks of loss and volatility.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_InformationTechnologySectorRiskMember" id="x_3ff81dcd-9a13-42ab-be08-04c5c06f5ade">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Information Technology Sector Risk – The Fund may have a significant portion of its assets invested in securities of technology-related companies. Therefore, the Fund may be more susceptible to particular risks that may affect companies in the information technology sector and technology-related sectors than if it were invested in a wider variety of companies in unrelated sectors. At times, the performance of such companies will lag the performance of other industries or the broader </span><span style="color:#262626;font-family:Arial;font-size:9pt;">market as a whole. Certain technology related companies may face special risks that their products or services may not prove to be commercially successful. Technology related companies are also strongly affected by worldwide scientific or technological developments. As a result, their products may rapidly become obsolete. Such companies are also often subject to governmental regulation and may, therefore, be adversely affected by governmental policies. These factors may lead to limited earnings and/or failing profit margins. As a result, the value of technology related companies’ securities may fall or fail to rise. Many technology related companies’ securities have historically been more volatile than other securities, especially over the short term.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_ConsumerDiscretionarySectorRiskMember" id="ae567a59-d57f-4a6f-9118-8c334d01de45">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Consumer Discretionary Sector Risk – The consumer discretionary sector may be affected by changes in domestic and international economies, exchange and interest rates, competition, consumers’ disposable income, consumer preferences, social trends and marketing campaigns.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_HealthCareSectorRiskMember" id="x_935cffeb-964e-4001-95b5-6d28fc17f9c1">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Health Care Sector Risk – The Fund may have a significant portion of its assets invested in securities of healthcare companies. At times, the performance of healthcare companies will lag the performance of other industries or the broader market as a whole, and the performance of such companies may be more volatile. Healthcare companies may also be significantly affected by intense competition, aggressive pricing, government regulation, technological innovations, product obsolescence, patent considerations, product compatibility and consumer preferences.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_CommunicationServicesSectorRiskMember" id="x_78f9d03c-d974-4b07-94a4-3ca6f77c3db6">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Communication Services Sector Risk – Communication services companies are particularly vulnerable to the potential obsolescence of products and services due to technological advancement and the innovation of competitors. Companies in the communication services sector may also be affected by other competitive pressures, such as pricing competition, as well as research and development costs, substantial capital requirements and government regulation. Additionally, fluctuating domestic and international demand, shifting demographics and often unpredictable changes in consumer tastes can drastically affect a communication services company’s profitability. While all companies may be susceptible to network security breaches, certain companies in the communication services sector may be particular targets of hacking and potential theft of proprietary or consumer information or disruptions in service, which could have a material adverse effect on their businesses.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_ForeignSecuritiesRiskMember" id="x_9ac6bd54-4dcc-4128-8232-dee1efb419f7">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Foreign Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund’s performance will be influenced by political, social and economic factors affecting investments in foreign companies. Special risks associated with investments in foreign companies include exposure to currency fluctuations, lack of liquidity, potential for market manipulation, less developed or less efficient trading markets, limited access to reliable capital, lack of comprehensive company information, political instability, differing audit, regulatory, and legal standards and lack of financial reporting standards.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_LeverageRiskMember" id="x_066cc6b7-4c59-4ca8-abb9-024146be2d91">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Leverage Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The cost of borrowing money to leverage may exceed the returns for the securities purchased or the securities purchased may actually go down in value; thus, the Fund’s net asset value may decrease more quickly than if the Fund had not borrowed.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_PortfolioTurnoverActiveTradingRiskMember" id="x_24bfa82d-0ab8-40e7-bb57-c9a3b25139af">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Portfolio Turnover (Active Trading) Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because the Fund may engage in active trading of portfolio securities, it may incur increased transaction costs and brokerage commissions, both of which can lower the actual return on an investment. Active trading may also increase short-term gains and losses, which may affect the taxes a shareholder has to pay.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000009190_CashPositionRiskMember" id="b8ffec7b-c06e-451b-8871-52f6290ff67a">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Cash Position Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> At times, the Fund may hold up to 15% of its net assets in cash (and cash equivalents), which may underperform relative to equity securities.</span>
</rr:RiskTextBlock>
<rr:BarChartAndPerformanceTableHeading contextRef="ClassISharesMember_S000009190" id="e662aed9-828a-4d2b-9dba-590813676418">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Performance</span>
</rr:BarChartAndPerformanceTableHeading>
<rr:PerformanceNarrativeTextBlock contextRef="ClassISharesMember_S000009190" id="x_85f668d1-a9e4-4ba7-bc54-ad01a4922d62">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and after taxes) is not necessarily an indication of how it will perform in the future.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Updated performance information is available on the Fund’s </span><span style="color:#262626;font-family:Arial;font-size:9pt;">website </span><span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span><span style="color:#262626;font-family:Arial;font-size:9pt;">.</span>
</rr:PerformanceNarrativeTextBlock>
<rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="ClassISharesMember_S000009190" id="x_1f2573f3-f02d-4bbc-9a03-1fb6de4dc51d">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span>
</rr:PerformanceInformationIllustratesVariabilityOfReturns>
<rr:PerformancePastDoesNotIndicateFuture contextRef="ClassISharesMember_S000009190" id="x_545a136b-d6de-47f9-9070-7dcc5e1b9bea">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and after taxes) is not necessarily an indication of how it will perform in the future.</span>
</rr:PerformancePastDoesNotIndicateFuture>
<rr:PerformanceAvailabilityWebSiteAddress contextRef="ClassISharesMember_S000009190" id="x_378a792c-df23-4805-8f00-05ed9307bc33">
<span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span>
</rr:PerformanceAvailabilityWebSiteAddress>
<rr:BarChartHeading contextRef="ClassISharesMember_S000009190" id="x_22d8f9ee-fdb7-4567-be69-2209080f5715">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;">Annual Total Return for Class I Shares</span><span style="color:#262626;font-family:Arial;font-size:10pt;line-height:12pt;"> </span><span style="color:#262626;font-family:Arial;font-size:10pt;font-style:italic;">as of December 31 (%)</span>
</rr:BarChartHeading>
<rr:BarChartClosingTextBlock contextRef="ClassISharesMember_S000009190" id="ac669a29-111d-40e9-bea2-4d1c548669f4">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">29.97%</span><span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2022</span><span style="color:#262626;font-family:Arial;font-size:8pt;">-23.98%</span>
</rr:BarChartClosingTextBlock>
<rr:HighestQuarterlyReturnLabel contextRef="ClassISharesMember_S000009190_C000068368" id="x_267aac8e-0bd5-46c7-a851-9e6ff1a1326c">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span>
</rr:HighestQuarterlyReturnLabel>
<rr:BarChartHighestQuarterlyReturnDate contextRef="ClassISharesMember_S000009190_C000068368" id="e27e9b8a-3213-4f84-948e-ded73513ab49"> 2020-06-30 </rr:BarChartHighestQuarterlyReturnDate>
<rr:BarChartHighestQuarterlyReturn contextRef="ClassISharesMember_S000009190_C000068368" decimals="4" id="x_4be3cc3c-aabb-453c-a7c9-e4c75d90cc68" unitRef="pure"> 0.2997 </rr:BarChartHighestQuarterlyReturn>
<rr:LowestQuarterlyReturnLabel contextRef="ClassISharesMember_S000009190_C000068368" id="x_62497a6a-832f-4fd6-8d0d-0d3a0945c49e">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span>
</rr:LowestQuarterlyReturnLabel>
<rr:BarChartLowestQuarterlyReturnDate contextRef="ClassISharesMember_S000009190_C000068368" id="x_6c12c253-6bfa-4e84-a616-959ba0425f28"> 2022-06-30 </rr:BarChartLowestQuarterlyReturnDate>
<rr:BarChartLowestQuarterlyReturn contextRef="ClassISharesMember_S000009190_C000068368" decimals="4" id="x_890b0ef4-96e1-4e59-9cec-868f07a428cb" unitRef="pure"> -0.2398 </rr:BarChartLowestQuarterlyReturn>
<rr:PerformanceTableHeading contextRef="ClassISharesMember_S000009190" id="x_96ffd371-f598-49e3-b277-ec0118de6ec7">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Average Annual Total Return as of December 31, 2023</span>
</rr:PerformanceTableHeading>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassISharesMember_S000009190_C000068368" id="x_0a760d0b-2a3e-4755-8287-b204cc614c9a"> 2008-09-24 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassISharesMember_S000009190_C000068368" decimals="4" id="x_1916046f-f3fe-4e63-9050-e68e3c4cb44d" unitRef="pure"> 0.4133 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassISharesMember_S000009190_C000068368" decimals="4" id="a383a496-2216-4434-86c1-d35d6c88111b" unitRef="pure"> 0.1271 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassISharesMember_S000009190_C000068368" decimals="4" id="x_0ad30cc7-0454-4ce1-a39e-9c3ac7ef040d" unitRef="pure"> 0.1099 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassISharesMember_S000009190_C000068368_ReturnAfterTaxesonDistributionsMember" decimals="4" id="df4132b3-6405-49bb-ad51-887c5eddf3a9" unitRef="pure"> 0.4133 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassISharesMember_S000009190_C000068368_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_043d4358-369c-4568-afa1-671b1108433e" unitRef="pure"> 0.1038 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassISharesMember_S000009190_C000068368_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_92ab260c-f85b-4ec3-8373-b7524c8d1d80" unitRef="pure"> 0.0882 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassISharesMember_S000009190_C000068368_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="afd61bbb-7299-4b8f-ba8e-afcf49bc9951" unitRef="pure"> 0.2447 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassISharesMember_S000009190_C000068368_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_7e1cf483-10bc-4f25-94d3-bd6367dfa459" unitRef="pure"> 0.1027 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassISharesMember_S000009190_C000068368_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_85af701a-249e-407c-a0cc-08d14cf03ded" unitRef="pure"> 0.0871 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassISharesMember_S000009190_Russell3000GrowthIndexMember" decimals="4" id="x_5e986860-d490-43ed-b4b1-8a9840e9a63d" unitRef="pure"> 0.4121 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassISharesMember_S000009190_Russell3000GrowthIndexMember" decimals="4" id="x_5004d152-ffe9-48ab-ac10-2f7943bf7486" unitRef="pure"> 0.1885 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassISharesMember_S000009190_Russell3000GrowthIndexMember" decimals="4" id="x_7f766d1f-78ae-4f28-b101-88d747b5e63c" unitRef="pure"> 0.1433 </rr:AverageAnnualReturnYear10>
<rr:PerformanceTableNarrativeTextBlock contextRef="ClassISharesMember_S000009190" id="x_78ac8f1a-7267-49d7-812f-5ad5e45bfe87">
<span style="color:#262626;font-family:Arial;font-size:9pt;">In the foregoing table, </span><span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNarrativeTextBlock>
<rr:PerformanceTableUsesHighestFederalRate contextRef="ClassISharesMember_S000009190" id="d6138172-b304-4b89-84dd-310860fe5ce7">
<span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span>
</rr:PerformanceTableUsesHighestFederalRate>
<rr:PerformanceTableNotRelevantToTaxDeferred contextRef="ClassISharesMember_S000009190" id="x_0f7f506f-5b20-4fdc-9b5e-9175b810caa0">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNotRelevantToTaxDeferred>
<rr:RiskReturnHeading contextRef="ClassYSharesMember_S000009190" id="x_53626f15-8b98-4209-8c29-e43d2c80c4df">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Alger Spectra Fund</span>
</rr:RiskReturnHeading>
<rr:ObjectiveHeading contextRef="ClassYSharesMember_S000009190" id="x_2711a7a7-25eb-4891-8bc4-5fdc86d6542a">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span>
</rr:ObjectiveHeading>
<rr:ObjectivePrimaryTextBlock contextRef="ClassYSharesMember_S000009190" id="x_94ada1c5-f799-41c9-941b-edffc613a1e4">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Alger Spectra Fund seeks long-term capital appreciation.</span>
</rr:ObjectivePrimaryTextBlock>
<rr:ExpenseHeading contextRef="ClassYSharesMember_S000009190" id="fe83001f-6f9b-44f5-8621-fd74ebd5623a">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Fund Fees and Expenses</span>
</rr:ExpenseHeading>
<rr:ExpenseNarrativeTextBlock contextRef="ClassYSharesMember_S000009190" id="x_37baa2e2-416d-4999-8dec-f97ade50da74">
<span style="color:#262626;font-family:Arial;font-size:9pt;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund.</span>
</rr:ExpenseNarrativeTextBlock>
<rr:ShareholderFeesCaption contextRef="ClassYSharesMember_S000009190" id="x_1f17d6fa-83d5-4718-8cc2-c0616a3fabdd">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Shareholder Fees</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(fees paid directly from your investment)</span>
</rr:ShareholderFeesCaption>
<rr:ShareholderFeeOther contextRef="ClassYSharesMember_S000009190_C000206605" decimals="INF" id="x_7f3df177-fe04-45a5-809c-9d4789cef554" unitRef="USD"> 0 </rr:ShareholderFeeOther>
<rr:OperatingExpensesCaption contextRef="ClassYSharesMember_S000009190" id="b2391cd2-1806-403f-ae11-12c3acf08b63">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Annual Fund Operating Expenses</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(expenses that you pay each year as a percentage of the value of your investment)</span>
</rr:OperatingExpensesCaption>
<rr:ManagementFeesOverAssets contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="x_87e8921b-03c2-4e8d-921c-038607adc64b" unitRef="pure"> 0.0085 </rr:ManagementFeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="x_3f62fe8e-f32e-41d6-a294-d99dc12144a1" unitRef="pure"> 0 </rr:DistributionAndService12b1FeesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="f157251d-259b-4d3b-90ca-8e5a4e5453af" unitRef="pure"> 0.0033 </rr:OtherExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="x_935edcd8-4077-4044-84db-6ec54ab92de7" unitRef="pure"> 0.0118 </rr:ExpensesOverAssets>
<rr:FeeWaiverOrReimbursementOverAssets contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="ecf209bd-b985-4a47-b273-6a633923c9be" unitRef="pure"> -0.0005 </rr:FeeWaiverOrReimbursementOverAssets>
<rr:NetExpensesOverAssets contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="b6566e32-1d7b-440c-9cd4-204a1567ebe7" unitRef="pure"> 0.0113 </rr:NetExpensesOverAssets>
<rr:ExpenseBreakpointDiscounts contextRef="ClassYSharesMember_S000009190" id="x_25216243-a61f-471e-8e38-333b3c8d26c7">
<span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $2 billion is .90%, for assets between $2 billion and $4 billion is .75%, for assets between $4 billion and $6 billion is .65%, for assets between $6 billion and $8 billion is .55%, and for assets in excess of $8 billion is .45%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023</span><span style="color:#262626;font-family:Arial;font-size:8pt;">was .85%.</span>
</rr:ExpenseBreakpointDiscounts>
<rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="ClassYSharesMember_S000009190" id="x_7ea5d87d-234d-43c6-b8e0-467ab8e03c0e">
<span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</span><span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</span>
</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
<rr:ExpenseExampleHeading contextRef="ClassYSharesMember_S000009190" id="x_4af1ac2e-a7f9-438d-bb1d-122fd7de8929">
<span style="color:#0065D2;font-family:Arial;font-size:9pt;font-weight:bold;">Example</span>
</rr:ExpenseExampleHeading>
<rr:ExpenseExampleNarrativeTextBlock contextRef="ClassYSharesMember_S000009190" id="ea59fd62-a08a-4b3f-a48e-3e0fdb50b674">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. The one-year example and the period of the three-, five- and ten-year examples through October 31, 2025 are based on net operating expenses, which reflect the contractual expense limitation agreed to by the Manager. Although your actual costs may be higher or lower, based on these assumptions you would pay the following expenses whether or not you redeemed your shares at the end of each period:</span>
</rr:ExpenseExampleNarrativeTextBlock>
<rr:ExpenseExampleYear01 contextRef="ClassYSharesMember_S000009190_C000206605" decimals="INF" id="a35e5205-befb-4ff2-b3d7-c6a6e7804758" unitRef="USD"> 115 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassYSharesMember_S000009190_C000206605" decimals="INF" id="x_8fce7941-befb-485f-b642-130adfa35fb0" unitRef="USD"> 366 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassYSharesMember_S000009190_C000206605" decimals="INF" id="aa75903c-595d-4073-8f73-a86aaafccc2a" unitRef="USD"> 641 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassYSharesMember_S000009190_C000206605" decimals="INF" id="x_602d4378-d5f9-4758-bb51-13eabaddff96" unitRef="USD"> 1424 </rr:ExpenseExampleYear10>
<rr:PortfolioTurnoverHeading contextRef="ClassYSharesMember_S000009190" id="ad6253f0-89cd-419a-8226-9f42d6c86aba">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Portfolio Turnover</span>
</rr:PortfolioTurnoverHeading>
<rr:PortfolioTurnoverTextBlock contextRef="ClassYSharesMember_S000009190" id="acc70fbf-7489-4299-8b64-d4fb9d723938">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was </span><span style="color:#262626;font-family:Arial;font-size:9pt;">59.63</span><span style="color:#262626;font-family:Arial;font-size:9pt;">% of the average value of its portfolio.</span>
</rr:PortfolioTurnoverTextBlock>
<rr:PortfolioTurnoverRate contextRef="ClassYSharesMember_S000009190" decimals="4" id="x_1b0adecb-2c8a-46a8-a82c-42a6eb8b924c" unitRef="pure"> 0.5963 </rr:PortfolioTurnoverRate>
<rr:StrategyHeading contextRef="ClassYSharesMember_S000009190" id="c0522c0b-95ca-4512-9c24-f980a85e393a">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Investment Strategy</span>
</rr:StrategyHeading>
<rr:StrategyNarrativeTextBlock contextRef="ClassYSharesMember_S000009190" id="b991addb-1500-4c84-b232-842c85d7c747">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Manager believes companies undergoing Positive Dynamic Change offer the best opportunities. Positive Dynamic Change refers to companies realizing High Unit Volume Growth or companies undergoing Positive Lifecycle Change. High Unit Volume Growth companies are traditional growth companies experiencing, for example, rapidly growing demand or market dominance. Positive Lifecycle Change companies are, for example, companies benefitting from new regulations, a new product innovation or new management.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests primarily in the equity securities of companies of any size that the Manager believes demonstrate promising growth potential. Equity securities include common or preferred stocks that are listed on U.S. or foreign exchanges.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell securities short, which is the sale of a security the Fund does not own either to hedge a portfolio position or to seek to profit on the decline in value of the securities sold. The Fund arranges with a broker to borrow the security being sold short, and replaces the security by buying it at the current market price when it closes out the short sale. If the price of the security sold short has increased since the time of the short sale, the Fund will incur a loss in addition to the costs associated with establishing, maintaining and closing out the short position. If the price of the security sold short has decreased since the time of the short sale, the Fund will experience a gain to the extent the difference in price is greater than these costs. The Fund will not make a short sale if, after giving effect to such sale, the market value of all securities sold short exceeds 10% of the value of its net assets.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may invest a significant portion of its assets in securities of companies conducting business within a single sector, as defined by third party sources, including the information technology, consumer discretionary, health care, and communication services sectors.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund can leverage, that is, borrow money to purchase additional securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell a stock when it reaches a target price, it fails to perform as expected, or other opportunities appear more attractive. As a result, the Fund may engage in active trading of portfolio securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund can invest in foreign securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in cash (and cash equivalents) when the Fund is unable to find enough attractive long-term investments to meet its investment objective, to meet redemptions and/or when the Manager believes it is advisable to do so during times of short-term market volatility. During these times, cash (and cash equivalents) will not exceed 15% of the Fund’s net assets.</span>
</rr:StrategyNarrativeTextBlock>
<rr:RiskHeading contextRef="ClassYSharesMember_S000009190" id="x_111fda76-ed01-4d69-9cc8-ab99146cc178">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Risks</span>
</rr:RiskHeading>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_RiskLoseMoneyMember" id="x_14d46c1a-4caf-40e8-899d-22ceb280e782">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s share price may go down, which means you could lose money.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_RiskNotInsuredDepositoryInstitutionMember" id="x_88ec5ae8-ccbf-452c-bcf3-25b333dee781">
<span style="color:#262626;font-family:Arial;font-size:9pt;">An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_InvestmentRiskMember" id="c9c9ccad-3975-488c-b3a3-a70ab1214d18">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Investment Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_MarketRiskMember" id="x_7bbacaa0-42f8-4544-a263-d6df4b6c15c2">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Market Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Your investment in Fund shares represents an indirect investment in the securities owned by the Fund. The value of these securities, like other investments, may move up or down, sometimes rapidly and unpredictably. Your Fund shares at any point in time may be worth less than what you invested, even after taking into account the reinvestment of Fund dividends and distributions. Local, regional or global events such as environmental or natural disasters, war, terrorism, pandemics, outbreaks of infectious diseases, and similar public health threats, recessions, or other events could have a significant impact on the Fund and its investments.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_EquitySecuritiesRiskMember" id="x_1a688722-2d7e-44f5-9749-3c57e32df6b4">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Equity Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> As with any fund that invests in stocks, your investment will fluctuate in value, and the loss of your investment is a risk of investing. The Fund’s price per share will fluctuate due to changes in the market prices of its investments. Also, the Fund’s investments may not grow as fast as the rate of inflation and stocks tend to be more volatile than some other investments you could make, such as bonds.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_GrowthSecuritiesRiskMember" id="b6d10016-990c-415b-95f5-ed7698f43b6a">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Growth Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prices of growth stocks tend to be higher in relation to their companies’ earnings and may be more sensitive to market, political and economic developments than other stocks, making their prices more volatile. An investment in the Fund may be better suited to investors who seek long-term capital growth and can tolerate fluctuations in their investment’s value.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_ShortSalesRiskMember" id="x_0af08700-d7ee-4a72-8d5b-d310fa8e0201">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Short Sales Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because making short sales in securities that it does not own exposes the Fund to the risks associated with those securities, such short sales involve speculative exposure risk. The market price of a security may increase after the Fund borrows the security in order to sell it short, so that the Fund suffers a loss when it replaces the borrowed security at the higher price. The use of short sales could increase the Fund’s exposure to the market, magnifying losses and increasing volatility. Short sale transactions involve leverage because they can provide investment exposure in an amount exceeding the initial investment. </span><span style="color:#262626;font-family:Arial;font-size:9pt;">Although the Fund’s gain is limited to the amount at which it sold a security short, its potential loss is limited only by the maximum attainable price of the security, less the price at which the security was sold and may, theoretically, be unlimited.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_SectorRiskMember" id="ed884d01-1e82-4426-b991-b515ebff3994">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Sector Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may have a significant portion of its assets invested in securities of companies conducting business within a single sector, as defined by third party sources. Companies in the same sector may be similarly affected by economic, regulatory, political or market events or conditions, which may make the Fund more vulnerable to unfavorable developments in that sector than a fund that has a more diversified portfolio. Generally, the more broadly the Fund invests, the more it spreads risk and potentially reduces the risks of loss and volatility.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_InformationTechnologySectorRiskMember" id="x_9b209e49-3ee6-40ad-955e-c05ca6e9629e">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Information Technology Sector Risk – The Fund may have a significant portion of its assets invested in securities of technology-related companies. Therefore, the Fund may be more susceptible to particular risks that may affect companies in the information technology sector and technology-related sectors than if it were invested in a wider variety of companies in unrelated sectors. At times, the performance of such companies will lag the performance of other industries or the broader market as a whole. Certain technology related companies may face special risks that their products or services may not prove to be commercially successful. Technology related companies are also strongly affected by worldwide scientific or technological developments. As a result, their products may rapidly become obsolete. Such companies are also often subject to governmental regulation and may, therefore, be adversely affected by governmental policies. These factors may lead to limited earnings and/or failing profit margins. As a result, the value of technology related companies’ securities may fall or fail to rise. Many technology related companies’ securities have historically been more volatile than other securities, especially over the short term.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_ConsumerDiscretionarySectorRiskMember" id="f6465790-f56c-4be5-8d01-f423a0fc5eb8">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Consumer Discretionary Sector Risk – The consumer discretionary sector may be affected by changes in domestic and international economies, exchange and interest rates, competition, consumers’ disposable income, consumer preferences, social trends and marketing campaigns.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_HealthCareSectorRiskMember" id="abd869ad-9f72-4f11-9dcd-778b3d5fa6cb">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Health Care Sector Risk – The Fund may have a significant portion of its assets invested in securities of healthcare companies. At times, the performance of healthcare companies will lag the performance of other industries or the broader market as a whole, and the performance of such companies may be more volatile. Healthcare companies may also be significantly affected by intense competition, aggressive pricing, government regulation, technological innovations, product obsolescence, patent considerations, product compatibility and consumer preferences.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_CommunicationServicesSectorRiskMember" id="x_4f968c8e-feb2-41eb-aa1f-acd69e8da436">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Communication Services Sector Risk – Communication services companies are particularly vulnerable to the potential obsolescence of products and services due to technological advancement and the innovation of competitors. Companies in the communication services sector may also be affected by other competitive pressures, such as pricing competition, as well as research and development costs, substantial capital requirements and government regulation. Additionally, fluctuating domestic and international demand, shifting demographics and often unpredictable changes in consumer tastes can drastically affect a communication services company’s profitability. While all companies may be susceptible to network security breaches, certain companies in the communication services sector may be particular targets of hacking and potential theft of proprietary or consumer information or disruptions in service, which could have a material adverse effect on their businesses.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_ForeignSecuritiesRiskMember" id="x_7c8903ac-8854-44df-8c02-dc22108321c6">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Foreign Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund’s performance will be influenced by political, social and economic factors affecting investments in foreign companies. Special risks associated with investments in foreign companies include exposure to currency fluctuations, lack of liquidity, potential for market manipulation, less developed or less efficient trading markets, limited access to reliable capital, lack of comprehensive company information, political instability, differing audit, regulatory, and legal standards and lack of financial reporting standards.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_LeverageRiskMember" id="x_2eea4131-a1a2-427e-abd2-cc45087aef13">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Leverage Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The cost of borrowing money to leverage may exceed the returns for the securities purchased or the securities purchased may actually go down in value; thus, the Fund’s net asset value may decrease more quickly than if the Fund had not borrowed.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_PortfolioTurnoverActiveTradingRiskMember" id="x_879f846e-2d95-44e9-a6c3-90792984aa0b">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Portfolio Turnover (Active Trading) Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because the Fund may engage in active trading of portfolio securities, it may incur increased transaction costs and brokerage commissions, both of which can lower the actual return on an investment. Active trading may also increase short-term gains and losses, which may affect the taxes a shareholder has to pay.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassYSharesMember_S000009190_CashPositionRiskMember" id="x_622c9be2-2f04-47c7-a52e-964a5caadfe8">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Cash Position Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> At times, the Fund may hold up to 15% of its net assets in cash (and cash equivalents), which may underperform relative to equity securities.</span>
</rr:RiskTextBlock>
<rr:BarChartAndPerformanceTableHeading contextRef="ClassYSharesMember_S000009190" id="x_35266cfa-ccc5-41b2-b527-93a34be4356a">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Performance</span>
</rr:BarChartAndPerformanceTableHeading>
<rr:PerformanceNarrativeTextBlock contextRef="ClassYSharesMember_S000009190" id="x_8b2728e8-c930-44bc-9edf-22719c99c610">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and after taxes) is not necessarily an indication of how it will perform in the future.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Updated performance information is available on the Fund’s </span><span style="color:#262626;font-family:Arial;font-size:9pt;">website </span><span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span><span style="color:#262626;font-family:Arial;font-size:9pt;">.</span>
</rr:PerformanceNarrativeTextBlock>
<rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="ClassYSharesMember_S000009190" id="a8d0c71b-12fd-44b8-acda-345b7f734a1c">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span>
</rr:PerformanceInformationIllustratesVariabilityOfReturns>
<rr:PerformancePastDoesNotIndicateFuture contextRef="ClassYSharesMember_S000009190" id="fb27d759-7448-4d6b-a56b-3dd8d4865561">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and after taxes) is not necessarily an indication of how it will perform in the future.</span>
</rr:PerformancePastDoesNotIndicateFuture>
<rr:PerformanceAvailabilityWebSiteAddress contextRef="ClassYSharesMember_S000009190" id="x_3edcd260-4b97-4520-ad57-2d81e27866c7">
<span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span>
</rr:PerformanceAvailabilityWebSiteAddress>
<rr:BarChartHeading contextRef="ClassYSharesMember_S000009190" id="x_80606e0e-9d7e-469c-a246-0eecaf8a4dc1">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;">Annual Total Return for Class Y Shares</span><span style="color:#262626;font-family:Arial;font-size:10pt;line-height:12pt;"> </span><span style="color:#262626;font-family:Arial;font-size:10pt;font-style:italic;">as of December 31 (%)</span>
</rr:BarChartHeading>
<rr:BarChartClosingTextBlock contextRef="ClassYSharesMember_S000009190" id="e0e524b1-b09f-4b4c-b257-17be69f89c6b">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">30.03%</span><span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2022</span><span style="color:#262626;font-family:Arial;font-size:8pt;">-23.86%</span>
</rr:BarChartClosingTextBlock>
<rr:HighestQuarterlyReturnLabel contextRef="ClassYSharesMember_S000009190_C000206605" id="x_1edb94e9-3e21-4cea-b52b-c5f5cabc6f18">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span>
</rr:HighestQuarterlyReturnLabel>
<rr:BarChartHighestQuarterlyReturnDate contextRef="ClassYSharesMember_S000009190_C000206605" id="x_331050fa-394f-4fd7-bf2b-04f718e81ddb"> 2020-06-30 </rr:BarChartHighestQuarterlyReturnDate>
<rr:BarChartHighestQuarterlyReturn contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="ad286528-b147-471e-8025-e8c1d02940da" unitRef="pure"> 0.3003 </rr:BarChartHighestQuarterlyReturn>
<rr:LowestQuarterlyReturnLabel contextRef="ClassYSharesMember_S000009190_C000206605" id="x_6f94bab2-093d-4794-8df9-a220b7df0171">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span>
</rr:LowestQuarterlyReturnLabel>
<rr:BarChartLowestQuarterlyReturnDate contextRef="ClassYSharesMember_S000009190_C000206605" id="x_2fe65a9f-bc56-4a16-b890-fd9f5f61c78b"> 2022-06-30 </rr:BarChartLowestQuarterlyReturnDate>
<rr:BarChartLowestQuarterlyReturn contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="x_7061fb2a-48f5-457e-9584-1accfb3c09e0" unitRef="pure"> -0.2386 </rr:BarChartLowestQuarterlyReturn>
<rr:PerformanceTableHeading contextRef="ClassYSharesMember_S000009190" id="x_035b07ea-6828-4876-a694-6bee1a887ef2">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Average Annual Total Return as of December 31, 2023</span>
</rr:PerformanceTableHeading>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassYSharesMember_S000009190_C000206605" id="x_74637445-9326-42b1-9897-2501e085583e"> 2018-12-03 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="x_43c05b88-bda9-42b4-b4b1-f2af74902a65" unitRef="pure"> 0.4190 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="x_5aff9e5c-7ac0-4fd6-b686-3b6a340cde2b" unitRef="pure"> 0.1313 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnSinceInception contextRef="ClassYSharesMember_S000009190_C000206605" decimals="4" id="x_20bf4b01-9636-4817-b58c-3218b64f2f18" unitRef="pure"> 0.1056 </rr:AverageAnnualReturnSinceInception>
<rr:AverageAnnualReturnYear01 contextRef="ClassYSharesMember_S000009190_C000206605_ReturnAfterTaxesonDistributionsMember" decimals="4" id="a6295766-6d54-45de-be8e-be4cdaa7ca10" unitRef="pure"> 0.4190 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassYSharesMember_S000009190_C000206605_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_525038dc-6ea5-47b2-b57d-f43d9ef5ded7" unitRef="pure"> 0.1087 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnSinceInception contextRef="ClassYSharesMember_S000009190_C000206605_ReturnAfterTaxesonDistributionsMember" decimals="4" id="ee62088b-6d5d-478a-a64c-ad68997d7171" unitRef="pure"> 0.0785 </rr:AverageAnnualReturnSinceInception>
<rr:AverageAnnualReturnYear01 contextRef="ClassYSharesMember_S000009190_C000206605_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_24e1b5fc-f3e2-4c2f-b09a-f343ab1c55a9" unitRef="pure"> 0.2480 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassYSharesMember_S000009190_C000206605_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_4cc0d2e6-ded2-4a79-b073-41d3eacebebc" unitRef="pure"> 0.1060 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnSinceInception contextRef="ClassYSharesMember_S000009190_C000206605_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_269ad4df-a8d7-42a8-8df7-fe843846780b" unitRef="pure"> 0.0826 </rr:AverageAnnualReturnSinceInception>
<rr:AverageAnnualReturnYear01 contextRef="ClassYSharesMember_S000009190_Russell3000GrowthIndexMember" decimals="4" id="x_99a3ca95-af5c-4f3d-b4b1-89c610f91b89" unitRef="pure"> 0.4121 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassYSharesMember_S000009190_Russell3000GrowthIndexMember" decimals="4" id="x_0544b90b-f844-4bfc-a550-385e48596010" unitRef="pure"> 0.1885 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnSinceInception contextRef="ClassYSharesMember_S000009190_Russell3000GrowthIndexMember" decimals="4" id="x_8d72e230-ea49-446c-a371-229b5c53eb4d" unitRef="pure"> 0.1607 </rr:AverageAnnualReturnSinceInception>
<rr:PerformanceTableNarrativeTextBlock contextRef="ClassYSharesMember_S000009190" id="b316dd5c-80c0-4f55-8f46-0afa05917eaa">
<span style="color:#262626;font-family:Arial;font-size:9pt;">In the foregoing table, </span><span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">A “Return After Taxes on Distributions and Sale of Fund Shares” may sometimes be higher than the other two return figures; this happens when there is a capital loss on redemptions, giving rise to a tax benefit to the shareholder.</span>
</rr:PerformanceTableNarrativeTextBlock>
<rr:PerformanceTableUsesHighestFederalRate contextRef="ClassYSharesMember_S000009190" id="x_23f1eefa-938c-4313-bcad-33b3f264c200">
<span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span>
</rr:PerformanceTableUsesHighestFederalRate>
<rr:PerformanceTableNotRelevantToTaxDeferred contextRef="ClassYSharesMember_S000009190" id="f0165a36-bb31-45a7-9a3e-eb78efa0f66c">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNotRelevantToTaxDeferred>
<rr:PerformanceTableExplanationAfterTaxHigher contextRef="ClassYSharesMember_S000009190" id="dee29f17-c0b3-479f-adf9-6cc015c4effa">
<span style="color:#262626;font-family:Arial;font-size:9pt;">A “Return After Taxes on Distributions and Sale of Fund Shares” may sometimes be higher than the other two return figures; this happens when there is a capital loss on redemptions, giving rise to a tax benefit to the shareholder.</span>
</rr:PerformanceTableExplanationAfterTaxHigher>
<rr:RiskReturnHeading contextRef="ClassZSharesMember_S000009190" id="x_913e7895-da5e-4f72-9a3d-c272a3ab06bd">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Alger Spectra Fund</span>
</rr:RiskReturnHeading>
<rr:ObjectiveHeading contextRef="ClassZSharesMember_S000009190" id="x_669eb01b-c530-4404-8523-3c967ce21fba">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span>
</rr:ObjectiveHeading>
<rr:ObjectivePrimaryTextBlock contextRef="ClassZSharesMember_S000009190" id="x_5176dfea-ccde-4b61-b121-2d512cc2c271">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Alger Spectra Fund seeks long-term capital appreciation.</span>
</rr:ObjectivePrimaryTextBlock>
<rr:ExpenseHeading contextRef="ClassZSharesMember_S000009190" id="f2bb301d-6604-4ffc-af4d-e21bd06f5028">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Fund Fees and Expenses</span>
</rr:ExpenseHeading>
<rr:ExpenseNarrativeTextBlock contextRef="ClassZSharesMember_S000009190" id="x_0c7418b6-f593-405d-af4e-254f1b96b90b">
<span style="color:#262626;font-family:Arial;font-size:9pt;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. </span><span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below.</span>
</rr:ExpenseNarrativeTextBlock>
<rr:ShareholderFeesCaption contextRef="ClassZSharesMember_S000009190" id="x_03c54d30-db2f-448d-be8a-883fbb62aa7b">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Shareholder Fees</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(fees paid directly from your investment)</span>
</rr:ShareholderFeesCaption>
<rr:ShareholderFeeOther contextRef="ClassZSharesMember_S000009190_C000095102" decimals="INF" id="x_093c62f4-a296-4306-8313-ba1ecf207997" unitRef="USD"> 0 </rr:ShareholderFeeOther>
<rr:OperatingExpensesCaption contextRef="ClassZSharesMember_S000009190" id="x_9d90730c-2c0e-4976-a4b9-d304a798e906">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Annual Fund Operating Expenses</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(expenses that you pay each year as a percentage of the value of your investment)</span>
</rr:OperatingExpensesCaption>
<rr:ManagementFeesOverAssets contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="x_10f94ac4-1220-4054-b01b-2769170c2ac8" unitRef="pure"> 0.0085 </rr:ManagementFeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="f43b64b9-0b93-4619-a7e1-519e29710507" unitRef="pure"> 0 </rr:DistributionAndService12b1FeesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="c1d8e1e0-ceb0-45b6-813b-a3e6315c45c4" unitRef="pure"> 0.0032 </rr:OtherExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="x_509d4832-6031-4512-8a8e-50f0deb5e04c" unitRef="pure"> 0.0117 </rr:ExpensesOverAssets>
<rr:ExpenseBreakpointDiscounts contextRef="ClassZSharesMember_S000009190" id="x_2fbdfaf9-3324-4343-ac43-d8b8c9ba89a1">
<span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $2 billion is .90%, for assets between $2 billion and $4 billion is .75%, for assets between $4 billion and $6 billion is .65%, for assets between $6 billion and $8 billion is .55%, and for assets in excess of $8 billion is .45%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023</span><span style="color:#262626;font-family:Arial;font-size:8pt;">was .85%.</span>
</rr:ExpenseBreakpointDiscounts>
<rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="ClassZSharesMember_S000009190" id="x_79326981-8e3d-49a8-97a4-2d7d91521bca">
<span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</span><span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</span>
</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
<rr:ExpenseExampleHeading contextRef="ClassZSharesMember_S000009190" id="c6f79c34-a913-47e6-ba10-79d8a9484226">
<span style="color:#0065D2;font-family:Arial;font-size:9pt;font-weight:bold;">Example</span>
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<rr:ExpenseExampleNarrativeTextBlock contextRef="ClassZSharesMember_S000009190" id="c0769a04-85f1-4b76-9f95-2fbf2b7a18f8">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions you would pay the following expenses whether or not you redeemed your shares at the end of each period:</span>
</rr:ExpenseExampleNarrativeTextBlock>
<rr:ExpenseExampleYear01 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="INF" id="ff3fcbff-a3a3-471d-9fac-95d0d3fd66b7" unitRef="USD"> 119 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="INF" id="x_71b8a9ec-edd2-4788-9d0e-d354893868d2" unitRef="USD"> 372 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="INF" id="b0df4c3e-a631-4cb1-bef6-0a180bdd8f41" unitRef="USD"> 644 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="INF" id="ce1a68a7-3c85-441b-9717-c06f097b2fab" unitRef="USD"> 1420 </rr:ExpenseExampleYear10>
<rr:PortfolioTurnoverHeading contextRef="ClassZSharesMember_S000009190" id="x_32445d85-6490-45bd-9b55-718ac90993da">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Portfolio Turnover</span>
</rr:PortfolioTurnoverHeading>
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<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was </span><span style="color:#262626;font-family:Arial;font-size:9pt;">59.63</span><span style="color:#262626;font-family:Arial;font-size:9pt;">% of the average value of its portfolio.</span>
</rr:PortfolioTurnoverTextBlock>
<rr:PortfolioTurnoverRate contextRef="ClassZSharesMember_S000009190" decimals="4" id="x_50e5d1bd-d4e4-48a2-92eb-4922204f65d4" unitRef="pure"> 0.5963 </rr:PortfolioTurnoverRate>
<rr:StrategyHeading contextRef="ClassZSharesMember_S000009190" id="x_8d77cb45-e345-4ea5-966e-5a86f3cc90f9">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Investment Strategy</span>
</rr:StrategyHeading>
<rr:StrategyNarrativeTextBlock contextRef="ClassZSharesMember_S000009190" id="b68f9977-778d-4d6c-bdf9-4fe429c57e60">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Manager believes companies undergoing Positive Dynamic Change offer the best opportunities. Positive Dynamic Change refers to companies realizing High Unit Volume Growth or companies undergoing Positive Lifecycle Change. High Unit Volume Growth companies are traditional growth companies experiencing, for example, rapidly growing demand or market dominance. Positive Lifecycle Change companies are, for example, companies benefitting from new regulations, a new product innovation or new management.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests primarily in the equity securities of companies of any size that the Manager believes demonstrate promising growth potential. Equity securities include common or preferred stocks that are listed on U.S. or foreign exchanges.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell securities short, which is the sale of a security the Fund does not own either to hedge a portfolio position or to seek to profit on the decline in value of the securities sold. The Fund arranges with a broker to borrow the security being sold short, and replaces the security by buying it at the current market price when it closes out the short sale. If the price of the security sold short has increased since the time of the short sale, the Fund will incur a loss in addition to the costs associated with establishing, maintaining and closing out the short position. If the price of the security sold short has decreased since the time of the short sale, the Fund will experience a gain to the extent the difference in price is greater than these costs. The Fund will not make a short sale if, after giving effect to such sale, the market value of all securities sold short exceeds 10% of the value of its net assets.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may invest a significant portion of its assets in securities of companies conducting business within a single sector, as defined by third party sources, including the information technology, consumer discretionary, health care, and communication services sectors.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund can leverage, that is, borrow money to purchase additional securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell a stock when it reaches a target price, it fails to perform as expected, or other opportunities appear more attractive. As a result, the Fund may engage in active trading of portfolio securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund can invest in foreign securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in cash (and cash equivalents) when the Fund is unable to find enough attractive long-term investments to meet its investment objective, to meet redemptions and/or when the Manager believes it is advisable to do so during times of short-term market volatility. During these times, cash (and cash equivalents) will not exceed 15% of the Fund’s net assets.</span>
</rr:StrategyNarrativeTextBlock>
<rr:RiskHeading contextRef="ClassZSharesMember_S000009190" id="x_17bc9a06-73a9-48d0-a1bd-f4741828003e">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Risks</span>
</rr:RiskHeading>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_RiskLoseMoneyMember" id="x_7b80e333-3789-49b7-ae78-73140b4add02">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s share price may go down, which means you could lose money.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_RiskNotInsuredDepositoryInstitutionMember" id="x_91b4be54-fbe7-49a5-82e8-2e1d269a32e2">
<span style="color:#262626;font-family:Arial;font-size:9pt;">An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_InvestmentRiskMember" id="x_66903245-2459-4f15-9026-db1561772b16">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Investment Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_MarketRiskMember" id="x_4be72586-08d2-42ee-b78d-92c998f0cb04">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Market Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Your investment in Fund shares represents an indirect investment in the securities owned by the Fund. The value of these securities, like other investments, may move up or down, sometimes rapidly and unpredictably. Your Fund shares at any point in time may be worth less than what you invested, even after taking into account the reinvestment of Fund dividends and distributions. Local, regional or global events such as environmental or natural disasters, war, terrorism, pandemics, outbreaks of infectious diseases, and similar public health threats, recessions, or other events could have a significant impact on the Fund and its investments.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_EquitySecuritiesRiskMember" id="aef0df56-abe9-4751-80bc-1d0f59793a1b">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Equity Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> As with any fund that invests in stocks, your investment will fluctuate in value, and the loss of your investment is a risk of investing. The Fund’s price per share will fluctuate due to changes in the market prices of its investments. Also, the Fund’s investments may not grow as fast as the rate of inflation and stocks tend to be more volatile than some other investments you could make, such as bonds.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_GrowthSecuritiesRiskMember" id="e090f072-f134-4061-9c02-bd667d3ab979">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Growth Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prices of growth stocks tend to be higher in relation to their companies’ earnings and may be more sensitive to market, political and economic developments than other stocks, making their prices more volatile. An investment in the Fund may be better suited to investors who seek long-term capital growth and can tolerate fluctuations in their investment’s value.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_ShortSalesRiskMember" id="b16de78a-b5aa-4678-aafd-7504e59f0ace">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Short Sales Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because making short sales in securities that it does not own exposes the Fund to the risks associated with those securities, such short sales involve speculative exposure risk. The market price of a security may increase after the Fund borrows the security in order to sell it short, so that the Fund suffers a loss when it replaces the borrowed security at the higher price. The use of short sales could increase the Fund’s exposure to the market, magnifying losses and increasing volatility. Short sale transactions involve leverage because they can provide investment exposure in an amount exceeding the initial investment. Although the Fund’s gain is limited to the amount at which it sold a security short, its potential loss is limited only by the maximum attainable price of the security, less the price at which the security was sold and may, theoretically, be unlimited.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_SectorRiskMember" id="be50fd75-5b24-4742-8d7a-0b81e1b05f12">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Sector Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may have a significant portion of its assets invested in securities of companies conducting business within a single sector, as defined by third party sources. Companies in the same sector may be similarly affected by economic, regulatory, political or market events or conditions, which may make the Fund more vulnerable to unfavorable developments in that sector than a fund that has a more diversified portfolio. Generally, the more broadly the Fund invests, the more it spreads risk and potentially reduces the risks of loss and volatility.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_InformationTechnologySectorRiskMember" id="x_0d2f72a4-bb87-4e92-b36b-4cedf98256eb">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Information Technology Sector Risk – The Fund may have a significant portion of its assets invested in securities of technology-related companies. Therefore, the Fund may be more susceptible to particular risks that may affect companies in the information technology sector and technology-related sectors than if it were invested in a wider variety of companies in unrelated sectors. At times, the performance of such companies will lag the performance of other industries or the broader market as a whole. Certain technology related companies may face special risks that their products or services may not prove to be commercially successful. Technology related companies are also strongly affected by worldwide scientific or technological developments. As a result, their products may rapidly become obsolete. Such companies are also often subject to governmental regulation and may, therefore, be adversely affected by governmental policies. These factors may lead to limited earnings and/or failing profit margins. As a result, the value of technology related companies’ securities may fall or fail to rise. Many technology related companies’ securities have historically been more volatile than other securities, especially over the short term.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_ConsumerDiscretionarySectorRiskMember" id="x_4e72253a-759c-405f-9758-d44b0c20da37">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Consumer Discretionary Sector Risk – The consumer discretionary sector may be affected by changes in domestic and international economies, exchange and interest rates, competition, consumers’ disposable income, consumer preferences, social trends and marketing campaigns.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_HealthCareSectorRiskMember" id="ec37ec14-bf0b-49e6-8c6f-8176e3000ba6">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Health Care Sector Risk – The Fund may have a significant portion of its assets invested in securities of healthcare companies. At times, the performance of healthcare companies will lag the performance of other industries or the broader market as a whole, and the performance of such companies may be more volatile. Healthcare companies may also be significantly affected by intense competition, aggressive pricing, government regulation, technological innovations, product obsolescence, patent considerations, product compatibility and consumer preferences.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_CommunicationServicesSectorRiskMember" id="x_16a98ae3-d1b1-484d-b470-907b6cb9aaad">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Communication Services Sector Risk – Communication services companies are particularly vulnerable to the potential obsolescence of products and services due to technological advancement and the innovation of competitors. Companies in the communication services sector may also be affected by other competitive pressures, such as pricing competition, as well as research and development costs, substantial capital requirements and government regulation. Additionally, fluctuating domestic and international demand, shifting demographics and often unpredictable changes in consumer tastes can drastically affect a communication services company’s profitability. While all companies may be susceptible to network security breaches, certain companies in the communication services sector may be particular targets of hacking and potential theft of proprietary or consumer information or disruptions in service, which could have a material adverse effect on their businesses.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_ForeignSecuritiesRiskMember" id="x_86cbe353-1d61-456a-bc01-739ed4f18d82">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Foreign Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund’s performance will be influenced by political, social and economic factors affecting investments in foreign companies. Special risks associated with investments in foreign companies include exposure to currency fluctuations, lack of liquidity, potential for market manipulation, less developed or less efficient trading markets, limited access to reliable capital, lack of comprehensive company information, political instability, differing audit, regulatory, and legal standards and lack of financial reporting standards.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_LeverageRiskMember" id="x_1a555ff1-c617-47d3-a73f-425cabefd473">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Leverage Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The cost of borrowing money to leverage may exceed the returns for the securities purchased or the securities purchased may actually go down in value; thus, the Fund’s net asset value may decrease more quickly than if the Fund had not borrowed.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_PortfolioTurnoverActiveTradingRiskMember" id="db5d51c0-781f-4dd8-b8a5-7d6f46452d5a">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Portfolio Turnover (Active Trading) Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because the Fund may engage in active trading of portfolio securities, it may incur increased transaction costs and brokerage commissions, both of which can lower the actual return on an investment. Active trading may also increase short-term gains and losses, which may affect the taxes a shareholder has to pay.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000009190_CashPositionRiskMember" id="ad20b5c4-b1ec-40aa-9b22-47070bf799de">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Cash Position Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> At times, the Fund may hold up to 15% of its net assets in cash (and cash equivalents), which may underperform relative to equity securities.</span>
</rr:RiskTextBlock>
<rr:BarChartAndPerformanceTableHeading contextRef="ClassZSharesMember_S000009190" id="x_629a9676-39f8-4b3d-9523-548839399d01">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Performance</span>
</rr:BarChartAndPerformanceTableHeading>
<rr:PerformanceNarrativeTextBlock contextRef="ClassZSharesMember_S000009190" id="bc336565-3bed-47fd-986a-99775214a0fc">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and after taxes) is not necessarily an indication of how it will perform in the future.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Updated performance information is available on the Fund’s </span><span style="color:#262626;font-family:Arial;font-size:9pt;">website </span><span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span><span style="color:#262626;font-family:Arial;font-size:9pt;">.</span>
</rr:PerformanceNarrativeTextBlock>
<rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="ClassZSharesMember_S000009190" id="x_7fd8b540-0df8-415a-9062-9fb078d123a8">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span>
</rr:PerformanceInformationIllustratesVariabilityOfReturns>
<rr:PerformancePastDoesNotIndicateFuture contextRef="ClassZSharesMember_S000009190" id="x_7383116c-5a97-47cb-81ae-951e1fe6ca64">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and after taxes) is not necessarily an indication of how it will perform in the future.</span>
</rr:PerformancePastDoesNotIndicateFuture>
<rr:PerformanceAvailabilityWebSiteAddress contextRef="ClassZSharesMember_S000009190" id="x_291b87c1-b73c-4960-880a-40805d9e9a1b">
<span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span>
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<rr:BarChartHeading contextRef="ClassZSharesMember_S000009190" id="x_0156fabd-7559-4dc0-9b4b-0d787058a482">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;">Annual Total Return for Class Z Shares</span><span style="color:#262626;font-family:Arial;font-size:10pt;line-height:12pt;"> </span><span style="color:#262626;font-family:Arial;font-size:10pt;font-style:italic;">as of December 31 (%)</span>
</rr:BarChartHeading>
<rr:BarChartClosingTextBlock contextRef="ClassZSharesMember_S000009190" id="x_70a519ee-a98b-466b-8c17-21071add52b5">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">30.06%</span><span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2022</span><span style="color:#262626;font-family:Arial;font-size:8pt;">-23.90%</span>
</rr:BarChartClosingTextBlock>
<rr:HighestQuarterlyReturnLabel contextRef="ClassZSharesMember_S000009190_C000095102" id="x_8c47d25d-0c66-4231-b239-b18b176bc041">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span>
</rr:HighestQuarterlyReturnLabel>
<rr:BarChartHighestQuarterlyReturnDate contextRef="ClassZSharesMember_S000009190_C000095102" id="x_9c8d388f-ed12-46cd-b8af-dbbd8a155437"> 2020-06-30 </rr:BarChartHighestQuarterlyReturnDate>
<rr:BarChartHighestQuarterlyReturn contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="da9d6d64-8a09-4758-a756-f81e57af9937" unitRef="pure"> 0.3006 </rr:BarChartHighestQuarterlyReturn>
<rr:LowestQuarterlyReturnLabel contextRef="ClassZSharesMember_S000009190_C000095102" id="df822c0b-920d-466f-8cce-f5bd870f2e8a">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span>
</rr:LowestQuarterlyReturnLabel>
<rr:BarChartLowestQuarterlyReturnDate contextRef="ClassZSharesMember_S000009190_C000095102" id="x_39736b0f-a890-47d0-a48a-ca54b3d195a9"> 2022-06-30 </rr:BarChartLowestQuarterlyReturnDate>
<rr:BarChartLowestQuarterlyReturn contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="x_997dc01f-b414-45b3-8f6d-9b77bcdff15d" unitRef="pure"> -0.2390 </rr:BarChartLowestQuarterlyReturn>
<rr:PerformanceTableHeading contextRef="ClassZSharesMember_S000009190" id="x_4c4d1385-1405-4b20-9f9a-2665c99fec83">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Average Annual Total Return as of December 31, 2023</span>
</rr:PerformanceTableHeading>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassZSharesMember_S000009190_C000095102" id="x_49bfddc1-9947-44c3-a1d2-23a163166eee"> 2010-12-29 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="x_139cac51-7069-4086-8fc1-01e4a464e563" unitRef="pure"> 0.4181 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="x_8721fa7f-e152-4270-b376-174a6e061871" unitRef="pure"> 0.1306 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassZSharesMember_S000009190_C000095102" decimals="4" id="x_7ece0061-13b0-42c1-85da-78c6b3233e86" unitRef="pure"> 0.1133 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000009190_C000095102_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_76cf6437-741d-45ad-9e5f-bfce55866db2" unitRef="pure"> 0.4181 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000009190_C000095102_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_242b5f55-d66e-44b6-9f09-7c9d38f23427" unitRef="pure"> 0.1080 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassZSharesMember_S000009190_C000095102_ReturnAfterTaxesonDistributionsMember" decimals="4" id="e3e35b26-009a-45ca-9ffe-2bb2f629a85e" unitRef="pure"> 0.0919 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000009190_C000095102_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_49824ced-a8e6-491e-a7f3-f31261dd521e" unitRef="pure"> 0.2475 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000009190_C000095102_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_826e5114-c878-4ce0-975b-f6b34b7c0ead" unitRef="pure"> 0.1054 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassZSharesMember_S000009190_C000095102_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_1ca3e6f1-8e54-4cab-881b-0562508b9d6d" unitRef="pure"> 0.0899 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000009190_Russell3000GrowthIndexMember" decimals="4" id="x_721f7972-7b8e-4070-b749-ba577e84f79d" unitRef="pure"> 0.4121 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000009190_Russell3000GrowthIndexMember" decimals="4" id="d5a3db4e-08e7-4cc8-a7be-e58bc7cd1cea" unitRef="pure"> 0.1885 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassZSharesMember_S000009190_Russell3000GrowthIndexMember" decimals="4" id="c9dd17e2-ba94-4f50-b08c-dc0d73d64c25" unitRef="pure"> 0.1433 </rr:AverageAnnualReturnYear10>
<rr:PerformanceTableNarrativeTextBlock contextRef="ClassZSharesMember_S000009190" id="x_88015e77-aef8-4557-bc7e-4eece5207c95">
<span style="color:#262626;font-family:Arial;font-size:9pt;">In the foregoing table, </span><span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNarrativeTextBlock>
<rr:PerformanceTableUsesHighestFederalRate contextRef="ClassZSharesMember_S000009190" id="x_3b758a1d-4afe-49bd-8f73-83fdb81536db">
<span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span>
</rr:PerformanceTableUsesHighestFederalRate>
<rr:PerformanceTableNotRelevantToTaxDeferred contextRef="ClassZSharesMember_S000009190" id="x_62efbfca-1fa9-48f2-82e9-cd5e57283dc4">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNotRelevantToTaxDeferred>
<rr:RiskReturnHeading contextRef="ClassISharesMember_S000014607" id="x_33a82fe1-afdc-470a-9da7-844dfb30fd5f">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Alger Responsible Investing Fund</span>
</rr:RiskReturnHeading>
<rr:ObjectiveHeading contextRef="ClassISharesMember_S000014607" id="c01d2031-77a4-492a-86e2-900f319485c4">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span>
</rr:ObjectiveHeading>
<rr:ObjectivePrimaryTextBlock contextRef="ClassISharesMember_S000014607" id="ae16723b-f8b1-40f7-b1b4-6d79801bd553">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Alger Responsible Investing Fund seeks long-term capital appreciation.</span>
</rr:ObjectivePrimaryTextBlock>
<rr:ExpenseHeading contextRef="ClassISharesMember_S000014607" id="x_6bee2b7f-776b-4050-9d10-91a922e3d008">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Fund Fees and Expenses</span>
</rr:ExpenseHeading>
<rr:ExpenseNarrativeTextBlock contextRef="ClassISharesMember_S000014607" id="x_7ff43f36-37f5-4e08-8be8-f0a220f9407c">
<span style="color:#262626;font-family:Arial;font-size:9pt;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. </span><span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below.</span>
</rr:ExpenseNarrativeTextBlock>
<rr:ShareholderFeesCaption contextRef="ClassISharesMember_S000014607" id="fc20446d-43c1-47d2-8398-1444604817b2">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Shareholder Fees</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(fees paid directly from your investment)</span>
</rr:ShareholderFeesCaption>
<rr:ShareholderFeeOther contextRef="ClassISharesMember_S000014607_C000068370" decimals="INF" id="b1f0629d-addf-4b04-a9a4-a8bed038be47" unitRef="USD"> 0 </rr:ShareholderFeeOther>
<rr:OperatingExpensesCaption contextRef="ClassISharesMember_S000014607" id="d4aa5f8f-8614-46a3-a3ad-17a57bb52148">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Annual Fund Operating Expenses</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(expenses that you pay each year as a percentage of the value of your investment)</span>
</rr:OperatingExpensesCaption>
<rr:ManagementFeesOverAssets contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="x_5b540763-3e53-4049-b2fb-4996b1235009" unitRef="pure"> 0.0071 </rr:ManagementFeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="ba948fb6-06ef-419a-a5b2-799cd64aa64c" unitRef="pure"> 0.0025 </rr:DistributionAndService12b1FeesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="x_5ea7b3ae-bc8c-42a0-92c3-a10857aeeb24" unitRef="pure"> 0.0039 </rr:OtherExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="x_06364c32-98ed-4915-bbcd-54f60e5fcfa0" unitRef="pure"> 0.0135 </rr:ExpensesOverAssets>
<rr:FeeWaiverOrReimbursementOverAssets contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="x_6377605d-409e-4d9e-8547-85124575aea3" unitRef="pure"> -0.0026 </rr:FeeWaiverOrReimbursementOverAssets>
<rr:NetExpensesOverAssets contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="x_73ef9ba4-ed29-4422-aa22-9723f9807767" unitRef="pure"> 0.0109 </rr:NetExpensesOverAssets>
<rr:ExpenseBreakpointDiscounts contextRef="ClassISharesMember_S000014607" id="b545cdca-3fd1-44b4-8cb2-a1b13c701dd7">
<span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $1 billion is .71%, and for assets in excess of $1 billion is .65%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023 was .71%.</span>
</rr:ExpenseBreakpointDiscounts>
<rr:ExpensesRestatedToReflectCurrent contextRef="ClassISharesMember_S000014607" id="x_97dda5f8-04c2-4df6-b039-f625ad66b060">
<span style="color:#262626;font-family:Arial;font-size:8pt;">“Total Annual Fund Operating Expenses” have been restated to reflect current fees.</span>
</rr:ExpensesRestatedToReflectCurrent>
<rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="ClassISharesMember_S000014607" id="x_1784263b-ebf6-4ffa-b78c-85499fe3cd65">
<span style="color:#262626;font-family:Arial;font-size:8pt;">October 31, 2025</span>
</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
<rr:ExpenseExampleHeading contextRef="ClassISharesMember_S000014607" id="x_04dd55c3-762f-4da0-b5aa-53fcce260216">
<span style="color:#0065D2;font-family:Arial;font-size:9pt;font-weight:bold;">Example</span>
</rr:ExpenseExampleHeading>
<rr:ExpenseExampleNarrativeTextBlock contextRef="ClassISharesMember_S000014607" id="x_5f61f024-d5bd-4959-9466-322409f0019d">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. The one-year example and the period of the three-, five- and ten-year examples through October 31, 2025 are based on net operating expenses, which reflect the contractual expense limitation agreed to by the Manager. Although your actual costs may be higher or lower, based on these assumptions you would pay the following expenses whether or not you redeemed your shares at the end of each period:</span>
</rr:ExpenseExampleNarrativeTextBlock>
<rr:ExpenseExampleYear01 contextRef="ClassISharesMember_S000014607_C000068370" decimals="INF" id="x_18a1fb8d-6fa2-46aa-800f-26243992c83b" unitRef="USD"> 111 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassISharesMember_S000014607_C000068370" decimals="INF" id="x_2d490e8f-bd6f-4f96-965c-88cc93f59dc9" unitRef="USD"> 384 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassISharesMember_S000014607_C000068370" decimals="INF" id="x_6fe2cdc8-1349-4548-8b07-642643d6dbfe" unitRef="USD"> 697 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassISharesMember_S000014607_C000068370" decimals="INF" id="cc759884-34f3-4f9a-8fb5-684e56e10f57" unitRef="USD"> 1585 </rr:ExpenseExampleYear10>
<rr:PortfolioTurnoverHeading contextRef="ClassISharesMember_S000014607" id="ea6fb626-807d-41ea-b2d8-94a33919fee8">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Portfolio Turnover</span>
</rr:PortfolioTurnoverHeading>
<rr:PortfolioTurnoverTextBlock contextRef="ClassISharesMember_S000014607" id="x_101b2c9b-38af-4ee6-ba5a-705a426f47b7">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was </span><span style="color:#262626;font-family:Arial;font-size:9pt;">7.98</span><span style="color:#262626;font-family:Arial;font-size:9pt;">% of the average value of its portfolio.</span>
</rr:PortfolioTurnoverTextBlock>
<rr:PortfolioTurnoverRate contextRef="ClassISharesMember_S000014607" decimals="4" id="c9c218b6-26cc-4a4e-8619-7d5d9bb6cfb7" unitRef="pure"> 0.0798 </rr:PortfolioTurnoverRate>
<rr:StrategyHeading contextRef="ClassISharesMember_S000014607" id="x_6e52447b-68c8-4c46-94ec-84a16ee544cf">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Investment Strategy</span>
</rr:StrategyHeading>
<rr:StrategyNarrativeTextBlock contextRef="ClassISharesMember_S000014607" id="x_783f7ea1-c4bd-4260-8700-ff6888eef5c6">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Manager believes companies undergoing Positive Dynamic Change offer the best opportunities. Positive Dynamic Change refers to companies realizing High Unit Volume Growth or companies undergoing Positive Lifecycle Change. High Unit Volume Growth companies are traditional growth companies experiencing, for example, rapidly growing demand or market dominance. Positive Lifecycle Change companies are, for example, companies benefitting from new regulations, a new product innovation or new management.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Under normal circumstances, the Fund invests at least 80% of its net assets, plus any borrowings for investment purposes, in equity securities of companies of any size with an environmental, social and governance (“ESG”) rating of average or above by a third-party ESG rating agency (an “ESG Rating Agency”) that also demonstrate, in the view of the Manager, promising growth potential. Equity securities include common or preferred stocks that are listed on U.S. or foreign exchanges. The Manager employs fundamental analysis to identify innovative and dynamic companies and uses an ESG Rating Agency’s ratings to consider how such stocks rank within an industry or sector based on a company’s conduct in offering products or services that promote positive environmental, social and/or governance policies, or have a positive impact in these areas, addressing concerns such as climate change, resource depletion, health and safety, employee relations and diversity, bribery and corruption, and fostering board diversity and structure. The Fund does not bar companies in any industries.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may invest a significant portion of its assets in securities of companies conducting business within a single sector, as defined by third party sources, including the information technology, consumer discretionary, and health care sectors.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell a stock when it reaches a target price, it fails to perform as expected, or other opportunities appear more attractive.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in cash (and cash equivalents) when the Fund is unable to find enough attractive long-term investments to meet its investment objective, to meet redemptions and/or when the Manager believes it is advisable to do so during times of short-term market volatility. During these times, cash (and cash equivalents) will not exceed 15% of the Fund’s net assets.</span>
</rr:StrategyNarrativeTextBlock>
<rr:RiskHeading contextRef="ClassISharesMember_S000014607" id="x_4e8cc167-88bb-4dee-bffb-8046dc1296a1">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Risks</span>
</rr:RiskHeading>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000014607_RiskLoseMoneyMember" id="x_549011e8-6339-42ac-90e1-8c3761c1374c">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s share price may go down, which means you could lose money.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000014607_RiskNotInsuredDepositoryInstitutionMember" id="c3a1ecdc-39de-4387-ac8a-0d2113d31221">
<span style="color:#262626;font-family:Arial;font-size:9pt;">An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000014607_InvestmentRiskMember" id="f9e3dec2-8bcd-450a-bc3b-bbd5eeeefcff">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Investment Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000014607_MarketRiskMember" id="x_92741087-1e3e-494b-abe8-58d3bca72025">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Market Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Your investment in Fund shares represents an indirect investment in the securities owned by the Fund. The value of these securities, like other investments, may move up or down, sometimes rapidly and unpredictably. Your Fund shares at any point in time may be worth less than what you invested, even after taking into account the reinvestment of Fund dividends and distributions. Local, regional or global events such as environmental or natural disasters, war, terrorism, pandemics, outbreaks of infectious diseases, and similar public health threats, recessions, or other events could have a significant impact on the Fund and its investments.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000014607_EquitySecuritiesRiskMember" id="cb5b114a-d51d-4f08-a2f5-df389cc59f24">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Equity Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> As with any fund that invests in stocks, your investment will fluctuate in value, and the loss of your investment is a risk of investing. The Fund’s price per share will fluctuate due to changes in the market prices of its investments. Also, the Fund’s investments may not grow as fast as the rate of inflation and stocks tend to be more volatile than some other investments you could make, such as bonds.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000014607_GrowthSecuritiesRiskMember" id="a934e1f0-e9c1-4a5e-8e51-0753fd66e7d8">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Growth Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prices of growth stocks tend to be higher in relation to their companies’ earnings and may be more sensitive to market, political and economic developments than other stocks, making their prices more volatile. An investment in the Fund may be better suited to investors who seek long-term capital growth and can tolerate fluctuations in their investment’s value.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000014607_EnvironmentalSocialandorGovernanceSustainabilityRelatedSecuritiesRiskMember" id="x_985055c1-5219-4543-b0ff-549d39d92338">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Environmental, Social and/or Governance Sustainability-Related Securities Risk – </span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s ESG investment criteria may result in the selection or exclusion of securities of certain issuers for reasons other than financial performance, and carries the risk that the Fund’s investment returns may underperform funds that do not utilize an ESG investment strategy. The application of this strategy may affect the Fund’s investment exposure to certain companies, sectors, regions, countries or types of investments, which could negatively impact the Fund’s performance depending on whether such investments are in or out of favor. Applying ESG criteria to investment decisions is qualitative and subjective by nature, and there is no guarantee that the criteria utilized by the Manager or any judgment exercised by the Manager will reflect the beliefs or values of any particular investor. ESG standards differ by region and industry, and a company’s ESG practices or the Manager’s assessment of a company’s ESG practices may change over time.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000014607_SectorRiskMember" id="x_711529a1-d7cd-43af-b4e0-2779e9ca2fa8">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Sector Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may have a significant portion of its assets invested in securities of companies conducting business within a single sector, as defined by third party sources. Companies in the same sector may be similarly affected by economic, regulatory, political or market events or conditions, which may make the Fund more vulnerable to unfavorable developments in that sector than a fund that has a more diversified portfolio. Generally, the more broadly the Fund invests, the more it spreads risk and potentially reduces the risks of loss and volatility.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000014607_InformationTechnologySectorRiskMember" id="x_1ffc1b59-a640-4799-bc26-68977a1cde4f">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Information Technology Sector Risk – The Fund may have a significant portion of its assets invested in securities of technology-related companies. Therefore, the Fund may be more susceptible to particular risks that may affect companies in the information technology sector and technology-related sectors than if it were invested in a wider variety of companies in unrelated sectors. At times, the performance of such companies will lag the performance of other industries or the broader market as a whole. Certain technology related companies may face special risks that their products or services may not prove to be commercially successful. Technology related companies are also strongly affected by worldwide scientific or technological developments. As a result, their products may rapidly become obsolete. Such companies are also often subject to governmental regulation and may, therefore, be adversely affected by governmental policies. These factors may lead to limited earnings and/or failing profit margins. As a result, the value of technology related companies’ securities may fall or fail to rise. Many technology related companies’ securities have historically been more volatile than other securities, especially over the short term.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000014607_ConsumerDiscretionarySectorRiskMember" id="x_80a5e3af-6f4c-4b7c-8f85-d046700e0c88">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Consumer Discretionary Sector Risk – The consumer discretionary sector may be affected by changes in domestic and international economies, exchange and interest rates, competition, consumers’ disposable income, consumer preferences, social trends and marketing campaigns.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000014607_HealthCareSectorRiskMember" id="e15579ed-d9e2-40ba-a520-53a059d318c7">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Health Care Sector Risk – The Fund may have a significant portion of its assets invested in securities of healthcare companies. At times, the performance of healthcare companies will lag the performance of other industries or the broader market as a whole, and the performance of such companies may be more volatile. Healthcare companies may also be significantly affected by intense competition, aggressive pricing, government regulation, technological innovations, product obsolescence, patent considerations, product compatibility and consumer preferences.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000014607_CashPositionRiskMember" id="de519adc-17ee-4b0a-8949-bdd6e22033e7">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Cash Position Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> At times, the Fund may hold up to 15% of its net assets in cash (and cash equivalents), which may underperform relative to equity securities.</span>
</rr:RiskTextBlock>
<rr:BarChartAndPerformanceTableHeading contextRef="ClassISharesMember_S000014607" id="x_8b233e9e-8ae2-4c57-be99-2c24cb4ad008">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Performance</span>
</rr:BarChartAndPerformanceTableHeading>
<rr:PerformanceNarrativeTextBlock contextRef="ClassISharesMember_S000014607" id="x_87abbac9-b6cd-4fb0-877b-1326d3d82be3">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prior to December 29, 2016, the Fund followed different </span><span style="color:#262626;font-family:Arial;font-size:9pt;">investment strategies under the name "Alger Green Fund," and was managed by different portfolio management teams. Performance during that period does not reflect the Fund’s current investment strategies. </span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before </span><span style="color:#262626;font-family:Arial;font-size:9pt;">and after taxes) is not necessarily an indication of how it will perform in the future.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Updated performance information is available </span><span style="color:#262626;font-family:Arial;font-size:9pt;">on the Fund’s website </span><span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span><span style="color:#262626;font-family:Arial;font-size:9pt;">.</span>
</rr:PerformanceNarrativeTextBlock>
<rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="ClassISharesMember_S000014607" id="x_242acc1e-1fab-41df-a312-acadb3161db9">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span>
</rr:PerformanceInformationIllustratesVariabilityOfReturns>
<rr:PerformancePastDoesNotIndicateFuture contextRef="ClassISharesMember_S000014607" id="x_0feb1cd8-488d-4208-bb9f-18722f188e71">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before </span><span style="color:#262626;font-family:Arial;font-size:9pt;">and after taxes) is not necessarily an indication of how it will perform in the future.</span>
</rr:PerformancePastDoesNotIndicateFuture>
<rr:PerformanceAvailabilityWebSiteAddress contextRef="ClassISharesMember_S000014607" id="x_48662c00-526f-400f-a497-51439e79370f">
<span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span>
</rr:PerformanceAvailabilityWebSiteAddress>
<rr:BarChartHeading contextRef="ClassISharesMember_S000014607" id="x_44d5f214-6b1d-46a2-9124-bf42d5cec18f">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;">Annual Total Return for Class I Shares</span><span style="color:#262626;font-family:Arial;font-size:10pt;line-height:12pt;"> </span><span style="color:#262626;font-family:Arial;font-size:10pt;font-style:italic;">as of December 31 (%)</span>
</rr:BarChartHeading>
<rr:BarChartClosingTextBlock contextRef="ClassISharesMember_S000014607" id="x_70948f81-3b29-4f78-808b-7039b64dfa1d">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">27.65%</span><span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2022</span><span style="color:#262626;font-family:Arial;font-size:8pt;">-21.31%</span>
</rr:BarChartClosingTextBlock>
<rr:HighestQuarterlyReturnLabel contextRef="ClassISharesMember_S000014607_C000068370" id="x_2b1d9693-74d6-495e-aaa2-005191898d9d">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span>
</rr:HighestQuarterlyReturnLabel>
<rr:BarChartHighestQuarterlyReturnDate contextRef="ClassISharesMember_S000014607_C000068370" id="b34cb023-a145-4bda-9af8-c6d6973561c7"> 2020-06-30 </rr:BarChartHighestQuarterlyReturnDate>
<rr:BarChartHighestQuarterlyReturn contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="c2f7c0d0-7dc1-449d-a476-804affaf3b06" unitRef="pure"> 0.2765 </rr:BarChartHighestQuarterlyReturn>
<rr:LowestQuarterlyReturnLabel contextRef="ClassISharesMember_S000014607_C000068370" id="aea0fdc0-2149-4e99-9865-c2f03e5cdf0f">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span>
</rr:LowestQuarterlyReturnLabel>
<rr:BarChartLowestQuarterlyReturnDate contextRef="ClassISharesMember_S000014607_C000068370" id="cfb60f48-acc9-4cd8-aecd-b5e3bd607d55"> 2022-06-30 </rr:BarChartLowestQuarterlyReturnDate>
<rr:BarChartLowestQuarterlyReturn contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="x_5cd39bb4-06a3-4269-ab49-bdd5bee890df" unitRef="pure"> -0.2131 </rr:BarChartLowestQuarterlyReturn>
<rr:PerformanceTableHeading contextRef="ClassISharesMember_S000014607" id="x_1f0b2595-ce95-4120-b2d8-10912cfbca9b">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Average Annual Total Return as of December 31, 2023</span>
</rr:PerformanceTableHeading>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassISharesMember_S000014607_C000068370" id="x_94900571-e598-44ba-9b7b-d31e27ca6534"> 2008-09-24 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="x_15956a59-da66-4802-bfaf-b5683fd9799f" unitRef="pure"> 0.3674 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="x_4257fc14-2169-4912-923b-c689ad753ced" unitRef="pure"> 0.1635 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassISharesMember_S000014607_C000068370" decimals="4" id="x_29f48af6-375f-4e3e-ab3d-ff2c8750379c" unitRef="pure"> 0.1134 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassISharesMember_S000014607_C000068370_ReturnAfterTaxesonDistributionsMember" decimals="4" id="e3e8245d-c0b7-4c47-8f0a-bc0348f2288b" unitRef="pure"> 0.3574 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassISharesMember_S000014607_C000068370_ReturnAfterTaxesonDistributionsMember" decimals="4" id="be321d92-fbd3-49f8-93d8-eb69640c101e" unitRef="pure"> 0.1492 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassISharesMember_S000014607_C000068370_ReturnAfterTaxesonDistributionsMember" decimals="4" id="a24ccadd-8701-4f4a-8c39-1035266a05ce" unitRef="pure"> 0.0992 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassISharesMember_S000014607_C000068370_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="b59d7b4d-271e-4010-9fa2-0697d2430993" unitRef="pure"> 0.2234 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassISharesMember_S000014607_C000068370_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_77d370c3-5c98-4f22-8c06-1b76732e528e" unitRef="pure"> 0.1306 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassISharesMember_S000014607_C000068370_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_0bd3e042-87d7-4069-be8c-db872a9d1e01" unitRef="pure"> 0.0901 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassISharesMember_S000014607_Russell1000GrowthIndexMember" decimals="4" id="be596b98-4c3b-4644-946e-ebd8db008535" unitRef="pure"> 0.4268 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassISharesMember_S000014607_Russell1000GrowthIndexMember" decimals="4" id="d5678c58-0183-4482-b41f-52176d33527b" unitRef="pure"> 0.1950 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassISharesMember_S000014607_Russell1000GrowthIndexMember" decimals="4" id="x_17985eca-cf86-4f38-8659-ab178bed7e72" unitRef="pure"> 0.1486 </rr:AverageAnnualReturnYear10>
<rr:PerformanceTableNarrativeTextBlock contextRef="ClassISharesMember_S000014607" id="x_6d3d75b0-d982-4505-b1b9-f68abc619589">
<span style="color:#262626;font-family:Arial;font-size:9pt;">In the foregoing table, </span><span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNarrativeTextBlock>
<rr:PerformanceTableUsesHighestFederalRate contextRef="ClassISharesMember_S000014607" id="x_90548025-aa89-4cf8-81fc-75bdcb4a9be2">
<span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span>
</rr:PerformanceTableUsesHighestFederalRate>
<rr:PerformanceTableNotRelevantToTaxDeferred contextRef="ClassISharesMember_S000014607" id="x_580807d5-d4bf-4d0e-a066-c2ebf48dd2b1">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNotRelevantToTaxDeferred>
<rr:RiskReturnHeading contextRef="ClassZSharesMember_S000014607" id="df824b8f-d7b3-422d-babe-80eef5b431f3">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Alger Responsible Investing Fund</span>
</rr:RiskReturnHeading>
<rr:ObjectiveHeading contextRef="ClassZSharesMember_S000014607" id="x_829a8cec-83b7-45fa-b345-57b3cf026392">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span>
</rr:ObjectiveHeading>
<rr:ObjectivePrimaryTextBlock contextRef="ClassZSharesMember_S000014607" id="x_57e568b7-d919-42a7-ab26-f39162f521a3">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Alger Responsible Investing Fund seeks long-term capital appreciation.</span>
</rr:ObjectivePrimaryTextBlock>
<rr:ExpenseHeading contextRef="ClassZSharesMember_S000014607" id="x_6a2f364f-0640-4fc1-b8b4-2b01e0ace54e">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Fund Fees and Expenses</span>
</rr:ExpenseHeading>
<rr:ExpenseNarrativeTextBlock contextRef="ClassZSharesMember_S000014607" id="x_7e8b91a9-d8fb-484f-b668-ab637048bf03">
<span style="color:#262626;font-family:Arial;font-size:9pt;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. </span><span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below.</span>
</rr:ExpenseNarrativeTextBlock>
<rr:ShareholderFeesCaption contextRef="ClassZSharesMember_S000014607" id="x_69e4d134-ab43-42c7-84c0-7341952c8798">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Shareholder Fees</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(fees paid directly from your investment)</span>
</rr:ShareholderFeesCaption>
<rr:ShareholderFeeOther contextRef="ClassZSharesMember_S000014607_C000174226" decimals="INF" id="x_4e1ab9b0-b51c-41b7-bd98-499152f38533" unitRef="USD"> 0 </rr:ShareholderFeeOther>
<rr:OperatingExpensesCaption contextRef="ClassZSharesMember_S000014607" id="b79c7c01-c419-4ff3-b847-1dd69ebacf8f">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Annual Fund Operating Expenses</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(expenses that you pay each year as a percentage of the value of your investment)</span>
</rr:OperatingExpensesCaption>
<rr:ManagementFeesOverAssets contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="d3dcc7e1-2a8a-47af-823d-7e6216145e3a" unitRef="pure"> 0.0071 </rr:ManagementFeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="a95ec4c4-faea-42cf-8911-c8a4a6491c81" unitRef="pure"> 0 </rr:DistributionAndService12b1FeesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="b9478861-d29e-4a8b-93b9-fc039a6af6f8" unitRef="pure"> 0.0030 </rr:OtherExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="ee8869ed-7661-4e72-8f18-99fac746484c" unitRef="pure"> 0.0101 </rr:ExpensesOverAssets>
<rr:FeeWaiverOrReimbursementOverAssets contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="x_1e89bd88-0b35-4dd3-849d-2ad0d5ccf3d4" unitRef="pure"> -0.0006 </rr:FeeWaiverOrReimbursementOverAssets>
<rr:NetExpensesOverAssets contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="bcefbe5d-9030-47e2-b17d-463db4052c64" unitRef="pure"> 0.0095 </rr:NetExpensesOverAssets>
<rr:ExpenseBreakpointDiscounts contextRef="ClassZSharesMember_S000014607" id="b825c362-fcfa-4c0a-85e5-ffe13142f050">
<span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $1 billion is .71%, and for assets in excess of $1 billion is .65%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023 was .71%.</span>
</rr:ExpenseBreakpointDiscounts>
<rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="ClassZSharesMember_S000014607" id="x_15cba94d-34f8-4327-a785-9a69433d3742">
<span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</span><span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</span>
</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
<rr:ExpenseExampleHeading contextRef="ClassZSharesMember_S000014607" id="x_585e3b9d-1464-4732-a49e-fc11e1f2b160">
<span style="color:#0065D2;font-family:Arial;font-size:9pt;font-weight:bold;">Example</span>
</rr:ExpenseExampleHeading>
<rr:ExpenseExampleNarrativeTextBlock contextRef="ClassZSharesMember_S000014607" id="x_2fb41835-baec-42c0-b5ae-1bab349bbeba">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. The one-year example and the period of the three-, five- and ten-year examples through October 31, 2025 are based on net operating expenses, which reflect the contractual expense limitation agreed to by the Manager. Although your actual costs may be higher or lower, based on these assumptions you would pay the following expenses whether or not you redeemed your shares at the end of each period:</span>
</rr:ExpenseExampleNarrativeTextBlock>
<rr:ExpenseExampleYear01 contextRef="ClassZSharesMember_S000014607_C000174226" decimals="INF" id="d13a1956-86bd-4934-b3ff-fcb31e6656bf" unitRef="USD"> 97 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassZSharesMember_S000014607_C000174226" decimals="INF" id="dbb327f4-c445-41ba-90cc-796712fc2a90" unitRef="USD"> 311 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassZSharesMember_S000014607_C000174226" decimals="INF" id="x_1030e3d2-28dd-403e-8bf3-f23ea6577564" unitRef="USD"> 548 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassZSharesMember_S000014607_C000174226" decimals="INF" id="x_142f9ca1-048c-4534-8ddd-b1a40c775936" unitRef="USD"> 1227 </rr:ExpenseExampleYear10>
<rr:PortfolioTurnoverHeading contextRef="ClassZSharesMember_S000014607" id="a32c5fbc-10b1-4302-b25d-dbd1b54b402c">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Portfolio Turnover</span>
</rr:PortfolioTurnoverHeading>
<rr:PortfolioTurnoverTextBlock contextRef="ClassZSharesMember_S000014607" id="d33b08ba-9654-4dc4-905f-a72230e9c794">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was </span><span style="color:#262626;font-family:Arial;font-size:9pt;">7.98</span><span style="color:#262626;font-family:Arial;font-size:9pt;">% of the average value of its portfolio.</span>
</rr:PortfolioTurnoverTextBlock>
<rr:PortfolioTurnoverRate contextRef="ClassZSharesMember_S000014607" decimals="4" id="x_92ee0faf-5a58-48b6-ac20-f80a4909dbc7" unitRef="pure"> 0.0798 </rr:PortfolioTurnoverRate>
<rr:StrategyHeading contextRef="ClassZSharesMember_S000014607" id="fa6379e6-4f9b-4695-91f9-815acfede013">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Investment Strategy</span>
</rr:StrategyHeading>
<rr:StrategyNarrativeTextBlock contextRef="ClassZSharesMember_S000014607" id="x_01b89d34-4fd7-452a-9dd4-a9ad2ad80286">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Manager believes companies undergoing Positive Dynamic Change offer the best opportunities. Positive Dynamic Change refers to companies realizing High Unit Volume Growth or companies undergoing Positive Lifecycle Change. High Unit Volume Growth companies are traditional growth companies experiencing, for example, rapidly growing demand or market dominance. Positive Lifecycle Change companies are, for example, companies benefitting from new regulations, a new product innovation or new management.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Under normal circumstances, the Fund invests at least 80% of its net assets, plus any borrowings for investment purposes, in equity securities of companies of any size with an environmental, social and governance (“ESG”) rating of average or above by a third-party ESG rating agency (an “ESG Rating Agency”) that also demonstrate, in the view of the Manager, promising growth potential. Equity securities include common or preferred stocks that are listed on U.S. or foreign exchanges. The Manager employs fundamental analysis to identify innovative and dynamic companies and uses an ESG Rating Agency’s ratings to consider how such stocks rank within an industry or sector based on a company’s conduct in offering products or services that promote positive environmental, social and/or governance policies, or have a positive impact in these areas, addressing concerns such as climate change, resource depletion, health and safety, employee relations and diversity, bribery and corruption, and fostering board diversity and structure. The Fund does not bar companies in any industries.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may invest a significant portion of its assets in securities of companies conducting business within a single sector, as defined by third party sources, including the information technology, consumer discretionary, and health care sectors.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell a stock when it reaches a target price, it fails to perform as expected, or other opportunities appear more attractive. As a result, the Fund may engage in active trading of portfolio securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in cash (and cash equivalents) when the Fund is unable to find enough attractive long-term investments to meet its investment objective, to meet redemptions and/or when the Manager believes it is advisable to do so during times of short-term market volatility. During these times, cash (and cash equivalents) will not exceed 15% of the Fund’s net assets.</span>
</rr:StrategyNarrativeTextBlock>
<rr:RiskHeading contextRef="ClassZSharesMember_S000014607" id="b7aa79b3-f8ca-4f86-b5cd-c7fa8af9b2ce">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Risks</span>
</rr:RiskHeading>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000014607_RiskLoseMoneyMember" id="b077c3bd-073f-46c1-a3a8-11258a735b92">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s share price may go down, which means you could lose money.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000014607_RiskNotInsuredDepositoryInstitutionMember" id="x_1ed194be-3058-42be-8afe-790a1c93fcd1">
<span style="color:#262626;font-family:Arial;font-size:9pt;">An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000014607_InvestmentRiskMember" id="x_68878313-cb0f-4eb8-ae5a-1e836b1a8f4c">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Investment Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000014607_MarketRiskMember" id="x_38853496-08b0-46d3-8d2f-b50748e06746">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Market Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Your investment in Fund shares represents an indirect investment in the securities owned by the Fund. The value of these securities, like other investments, may move up or down, sometimes rapidly and unpredictably. Your Fund shares at any point in time may be worth less than what you invested, even after taking into account the reinvestment of Fund dividends and distributions. Local, regional or global events such as environmental or natural disasters, war, terrorism, pandemics, outbreaks of infectious diseases, and similar public health threats, recessions, or other events could have a significant impact on the Fund and its investments.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000014607_EquitySecuritiesRiskMember" id="bcbb38ca-c96f-4ff7-a761-2354338deade">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Equity Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> As with any fund that invests in stocks, your investment will fluctuate in value, and the loss of your investment is a risk of investing. The Fund’s price per share will fluctuate due to changes in the market prices of its investments. Also, the Fund’s investments may not grow as fast as the rate of inflation and stocks tend to be more volatile than some other investments you could make, such as bonds.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000014607_GrowthSecuritiesRiskMember" id="bfcf4ff5-9959-4b33-91a8-35c9ee1fd086">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Growth Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prices of growth stocks tend to be higher in relation to their companies’ earnings and may be more sensitive to market, political and economic developments than other stocks, making their prices more volatile. An investment in the Fund may be better suited to investors who seek long-term capital growth and can tolerate fluctuations in their investment’s value.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000014607_EnvironmentalSocialandorGovernanceSustainabilityRelatedSecuritiesRiskMember" id="x_9db81a97-3d5b-4bfa-b631-29c0753728a9">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Environmental, Social and/or Governance Sustainability-Related Securities Risk – </span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s ESG investment criteria may result in the selection or exclusion of securities of certain issuers for reasons other than financial performance, and carries the risk that the Fund’s investment returns may underperform funds that do not utilize an ESG investment strategy. The application of this strategy may affect the Fund’s investment exposure to certain companies, sectors, regions, countries or types of investments, which could negatively impact the Fund’s performance depending on whether such investments are in or out of favor. Applying ESG criteria to investment decisions is qualitative and subjective by nature, and there is no guarantee that the criteria utilized by the Manager or any judgment exercised by the Manager will reflect the beliefs or values of any particular investor. ESG standards differ by region and industry, and a company’s ESG practices or the Manager’s assessment of a company’s ESG practices may change over time.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000014607_SectorRiskMember" id="x_46bfd454-6221-4f8c-a8c9-b12975ef4c5a">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Sector Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may have a significant portion of its assets invested in securities of companies conducting business within a single sector, as defined by third party sources. Companies in the same sector may be similarly affected by economic, regulatory, political or market events or conditions, which may make the Fund more vulnerable to unfavorable developments in that sector than a fund that has a more diversified portfolio. Generally, the more broadly the Fund invests, the more it spreads risk and potentially reduces the risks of loss and volatility.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000014607_InformationTechnologySectorRiskMember" id="x_33d77f6d-aca4-4ce4-b214-3e33c50623e6">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Information Technology Sector Risk – The Fund may have a significant portion of its assets invested in securities of technology-related companies. Therefore, the Fund may be more susceptible to particular risks that may affect companies in the information technology sector and technology-related sectors than if it were invested in a wider variety of companies in unrelated sectors. At times, the performance of such companies will lag the performance of other industries or the broader market as a whole. Certain technology related companies may face special risks that their products or services may not prove to be commercially successful. Technology related companies are also strongly affected by worldwide scientific or technological developments. As a result, their products may rapidly become obsolete. Such companies are also often subject to governmental regulation and may, therefore, be adversely affected by governmental policies. These factors may lead to limited earnings and/or failing profit margins. As a result, the value of technology related companies’ securities may fall or fail to rise. Many technology related companies’ securities have historically been more volatile than other securities, especially over the short term.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000014607_ConsumerDiscretionarySectorRiskMember" id="x_534a0003-9d96-4874-9072-ad1d9a8a24ac">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Consumer Discretionary Sector Risk – The consumer discretionary sector may be affected by changes in domestic and international economies, exchange and interest rates, competition, consumers’ disposable income, consumer preferences, social trends and marketing campaigns.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000014607_HealthCareSectorRiskMember" id="x_5dd24e2d-e3c4-4911-9461-6e16c2b46408">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Health Care Sector Risk – The Fund may have a significant portion of its assets invested in securities of healthcare companies. At times, the performance of healthcare companies will lag the performance of other industries or the broader market as a whole, and the performance of such companies may be more volatile. Healthcare companies may also be significantly affected by intense competition, aggressive pricing, government regulation, technological innovations, product obsolescence, patent considerations, product compatibility and consumer preferences.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000014607_CashPositionRiskMember" id="dbdd7d77-c3e9-4bd0-a4d2-c5c2de8d999c">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Cash Position Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> At times, the Fund may hold up to 15% of its net assets in cash (and cash equivalents), which may underperform relative to equity securities.</span>
</rr:RiskTextBlock>
<rr:BarChartAndPerformanceTableHeading contextRef="ClassZSharesMember_S000014607" id="c1f6c036-ddc9-41e2-bfe1-d5bc044821a2">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Performance</span>
</rr:BarChartAndPerformanceTableHeading>
<rr:PerformanceNarrativeTextBlock contextRef="ClassZSharesMember_S000014607" id="c9c04da2-d2ad-4ca4-b7f0-9a79e7c6f368">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prior to December 29, 2016, the Fund followed different </span><span style="color:#262626;font-family:Arial;font-size:9pt;">investment strategies under the name "Alger Green Fund," and was managed by different portfolio management teams. Performance during that period does not reflect the Fund’s current investment strategies. </span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before </span><span style="color:#262626;font-family:Arial;font-size:9pt;">and after taxes) is not necessarily an indication of how it will perform in the future.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Updated performance information is available </span><span style="color:#262626;font-family:Arial;font-size:9pt;">on the Fund’s website </span><span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span><span style="color:#262626;font-family:Arial;font-size:9pt;">.</span>
</rr:PerformanceNarrativeTextBlock>
<rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="ClassZSharesMember_S000014607" id="x_535b740d-0c4c-4a0a-af50-b919fd07006a">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span>
</rr:PerformanceInformationIllustratesVariabilityOfReturns>
<rr:PerformancePastDoesNotIndicateFuture contextRef="ClassZSharesMember_S000014607" id="fa3e4a15-9264-405d-9407-89964b4660d6">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before </span><span style="color:#262626;font-family:Arial;font-size:9pt;">and after taxes) is not necessarily an indication of how it will perform in the future.</span>
</rr:PerformancePastDoesNotIndicateFuture>
<rr:PerformanceAvailabilityWebSiteAddress contextRef="ClassZSharesMember_S000014607" id="x_264297c0-0732-4a6d-b361-c71a44cf0a56">
<span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span>
</rr:PerformanceAvailabilityWebSiteAddress>
<rr:BarChartHeading contextRef="ClassZSharesMember_S000014607" id="c771e709-a7c2-45cd-881e-a4c935b2fa98">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;">Annual Total Return for Class Z Shares</span><span style="color:#262626;font-family:Arial;font-size:10pt;line-height:12pt;"> </span><span style="color:#262626;font-family:Arial;font-size:10pt;font-style:italic;">as of December 31 (%)</span>
</rr:BarChartHeading>
<rr:BarChartClosingTextBlock contextRef="ClassZSharesMember_S000014607" id="x_009b6ee4-5fae-4175-b258-8deaeb1381f7">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">27.70%</span><span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2022</span><span style="color:#262626;font-family:Arial;font-size:8pt;">-21.19%</span>
</rr:BarChartClosingTextBlock>
<rr:HighestQuarterlyReturnLabel contextRef="ClassZSharesMember_S000014607_C000174226" id="x_2b176c8c-9bdc-4934-ab14-8863b07f6a7b">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span>
</rr:HighestQuarterlyReturnLabel>
<rr:BarChartHighestQuarterlyReturnDate contextRef="ClassZSharesMember_S000014607_C000174226" id="b92710cc-d47c-45ad-baac-5aa1d28d974d"> 2020-06-30 </rr:BarChartHighestQuarterlyReturnDate>
<rr:BarChartHighestQuarterlyReturn contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="a614e075-2d0c-40f5-82f3-eb1954f7e971" unitRef="pure"> 0.2770 </rr:BarChartHighestQuarterlyReturn>
<rr:LowestQuarterlyReturnLabel contextRef="ClassZSharesMember_S000014607_C000174226" id="bad3e149-4b3c-4047-a92f-de200d551dc0">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span>
</rr:LowestQuarterlyReturnLabel>
<rr:BarChartLowestQuarterlyReturnDate contextRef="ClassZSharesMember_S000014607_C000174226" id="x_66ae8a33-527d-4842-919d-beecf607f5bf"> 2022-06-30 </rr:BarChartLowestQuarterlyReturnDate>
<rr:BarChartLowestQuarterlyReturn contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="x_2db514d6-1ba8-4d2a-b6c7-632a6e9cc259" unitRef="pure"> -0.2119 </rr:BarChartLowestQuarterlyReturn>
<rr:PerformanceTableHeading contextRef="ClassZSharesMember_S000014607" id="f3f789d0-eb19-4e9a-aa59-efed219f597a">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Average Annual Total Return as of December 31, 2023</span>
</rr:PerformanceTableHeading>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassZSharesMember_S000014607_C000174226" id="c7f86944-b45f-4939-a767-c352a5fd87a6"> 2016-10-14 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="x_02c2181f-ded6-4e04-ac2e-c3d4bfb1bba5" unitRef="pure"> 0.3722 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="aa432ca2-9602-4466-aab0-e1ba1aa8ad83" unitRef="pure"> 0.1679 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnSinceInception contextRef="ClassZSharesMember_S000014607_C000174226" decimals="4" id="x_623f1219-cb28-4d47-b871-bcaac58b40de" unitRef="pure"> 0.1534 </rr:AverageAnnualReturnSinceInception>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000014607_C000174226_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_2630f159-ef49-4961-88f5-4115039968db" unitRef="pure"> 0.3626 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000014607_C000174226_ReturnAfterTaxesonDistributionsMember" decimals="4" id="e7c453be-d3c4-471b-8be8-2c4ff22975c3" unitRef="pure"> 0.1540 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnSinceInception contextRef="ClassZSharesMember_S000014607_C000174226_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_3ad2ba59-6b2e-4beb-89bc-3e8cdf41a499" unitRef="pure"> 0.1348 </rr:AverageAnnualReturnSinceInception>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000014607_C000174226_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_7f7c5de7-27ab-4c4e-8613-6ced51ac0cab" unitRef="pure"> 0.2261 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000014607_C000174226_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="ec9a0b5d-8b3c-4453-a3d0-5f4be7fde2d7" unitRef="pure"> 0.1343 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnSinceInception contextRef="ClassZSharesMember_S000014607_C000174226_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_56a0ce76-fae0-4916-b23a-1781c964510d" unitRef="pure"> 0.1215 </rr:AverageAnnualReturnSinceInception>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000014607_Russell1000GrowthIndexMember" decimals="4" id="ede072a4-93e9-4ea8-98d7-6608d7a3823a" unitRef="pure"> 0.4268 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000014607_Russell1000GrowthIndexMember" decimals="4" id="x_97417ffc-8729-45a9-be69-1f254955fff1" unitRef="pure"> 0.1950 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnSinceInception contextRef="ClassZSharesMember_S000014607_Russell1000GrowthIndexMember" decimals="4" id="x_0f32f572-14ba-4db4-9a7f-ae5cdea69311" unitRef="pure"> 0.1758 </rr:AverageAnnualReturnSinceInception>
<rr:PerformanceTableNarrativeTextBlock contextRef="ClassZSharesMember_S000014607" id="x_66d2128c-b515-425b-86ca-9f0cc07219f6">
<span style="color:#262626;font-family:Arial;font-size:9pt;">In the foregoing table, </span><span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNarrativeTextBlock>
<rr:PerformanceTableUsesHighestFederalRate contextRef="ClassZSharesMember_S000014607" id="a7908e2e-35e6-4031-b616-6ecd510fa62b">
<span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span>
</rr:PerformanceTableUsesHighestFederalRate>
<rr:PerformanceTableNotRelevantToTaxDeferred contextRef="ClassZSharesMember_S000014607" id="f57de038-9844-4f47-ac5b-dd7599367d25">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNotRelevantToTaxDeferred>
<rr:RiskReturnHeading contextRef="ClassZSharesMember_S000026226" id="x_05ac3747-8547-42c6-8bf7-ad5020423348">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Alger Dynamic Opportunities Fund</span>
</rr:RiskReturnHeading>
<rr:ObjectiveHeading contextRef="ClassZSharesMember_S000026226" id="x_7299e576-ef31-4679-8129-3000b211ca66">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span>
</rr:ObjectiveHeading>
<rr:ObjectivePrimaryTextBlock contextRef="ClassZSharesMember_S000026226" id="fcaff753-8177-4faa-8b2e-4fd90446ec2d">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Alger Dynamic Opportunities Fund seeks long-term capital appreciation.</span>
</rr:ObjectivePrimaryTextBlock>
<rr:ExpenseHeading contextRef="ClassZSharesMember_S000026226" id="x_107cdc7d-419b-4e09-821f-3b5ce7476259">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Fund Fees and Expenses</span>
</rr:ExpenseHeading>
<rr:ExpenseNarrativeTextBlock contextRef="ClassZSharesMember_S000026226" id="e3e96018-c26a-4f63-a907-348758a9176a">
<span style="color:#262626;font-family:Arial;font-size:9pt;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. </span><span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below.</span>
</rr:ExpenseNarrativeTextBlock>
<rr:ShareholderFeesCaption contextRef="ClassZSharesMember_S000026226" id="c67cd047-be78-46b9-a2e2-9a2c690b7b6f">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Shareholder Fees</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(fees paid directly from your investment)</span>
</rr:ShareholderFeesCaption>
<rr:ShareholderFeeOther contextRef="ClassZSharesMember_S000026226_C000095104" decimals="INF" id="x_6049a1ab-9365-468e-affe-fbcf3b155b64" unitRef="USD"> 0 </rr:ShareholderFeeOther>
<rr:OperatingExpensesCaption contextRef="ClassZSharesMember_S000026226" id="f01eae1e-1de4-4ba0-8e8c-2db8cc06767b">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Annual Fund Operating Expenses</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(expenses that you pay each year as a percentage of the value of your investment)</span>
</rr:OperatingExpensesCaption>
<rr:ManagementFeesOverAssets contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="d48eec6a-5375-4a6b-816e-657ed8a0de39" unitRef="pure"> 0.0120 </rr:ManagementFeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="fa549b23-a936-4a88-b44e-9d8de936f6b8" unitRef="pure"> 0 </rr:DistributionAndService12b1FeesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="x_08a68cca-6cd1-4077-ac19-b28c156ed057" unitRef="pure"> 0.0053 </rr:OtherExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="ba7c8137-99c4-4cac-ad12-d8d8e0ece91a" unitRef="pure"> 0.0173 </rr:ExpensesOverAssets>
<rr:ExpenseBreakpointDiscounts contextRef="ClassZSharesMember_S000026226" id="a7210971-fcc9-4fd9-b66b-5158f658e224">
<span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $1 billion is 1.20%, and for assets in excess of $1 billion is 1.00%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023 was 1.20%.</span>
</rr:ExpenseBreakpointDiscounts>
<rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="ClassZSharesMember_S000026226" id="x_2e7bedd8-d8cf-473a-bdd0-5e8478ff8e19">
<span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</span><span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</span>
</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
<rr:ExpenseExampleHeading contextRef="ClassZSharesMember_S000026226" id="edf843ca-e375-42a2-9ab1-54c4dec4772b">
<span style="color:#0065D2;font-family:Arial;font-size:9pt;font-weight:bold;">Example</span>
</rr:ExpenseExampleHeading>
<rr:ExpenseExampleNarrativeTextBlock contextRef="ClassZSharesMember_S000026226" id="da024356-b7b1-47ea-81b2-5c0b0f19df0a">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions you would pay the following expenses whether or not you redeemed your shares at the end of each period:</span>
</rr:ExpenseExampleNarrativeTextBlock>
<rr:ExpenseExampleYear01 contextRef="ClassZSharesMember_S000026226_C000095104" decimals="INF" id="x_1f023ea4-8a25-4903-8f9b-17dec589b7b6" unitRef="USD"> 176 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassZSharesMember_S000026226_C000095104" decimals="INF" id="ae101426-e527-4dc5-8042-b2b6f696519f" unitRef="USD"> 545 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassZSharesMember_S000026226_C000095104" decimals="INF" id="cf0707b6-5391-4ebd-b7af-c65355b7cae3" unitRef="USD"> 939 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassZSharesMember_S000026226_C000095104" decimals="INF" id="e1074552-39f2-45db-93b6-b8b1ad2f164d" unitRef="USD"> 2041 </rr:ExpenseExampleYear10>
<rr:PortfolioTurnoverHeading contextRef="ClassZSharesMember_S000026226" id="f81a3632-5397-45f4-8a2b-38379b7ca00f">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Portfolio Turnover</span>
</rr:PortfolioTurnoverHeading>
<rr:PortfolioTurnoverTextBlock contextRef="ClassZSharesMember_S000026226" id="edb07661-3b1c-41d6-ad1e-cbfcd927ff17">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was </span><span style="color:#262626;font-family:Arial;font-size:9pt;">350.56</span><span style="color:#262626;font-family:Arial;font-size:9pt;">% of the average value of its portfolio.</span>
</rr:PortfolioTurnoverTextBlock>
<rr:PortfolioTurnoverRate contextRef="ClassZSharesMember_S000026226" decimals="4" id="d2bdb372-078b-4bfa-b563-165b73e70cc3" unitRef="pure"> 3.5056 </rr:PortfolioTurnoverRate>
<rr:StrategyHeading contextRef="ClassZSharesMember_S000026226" id="x_7488962c-fbd1-4a21-b86f-bc525f1185fb">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Investment Strategy</span>
</rr:StrategyHeading>
<rr:StrategyNarrativeTextBlock contextRef="ClassZSharesMember_S000026226" id="x_3e29c400-56e5-4273-a435-2fa18b0eb7bf">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Manager believes companies undergoing Positive Dynamic Change offer the best opportunities. Positive Dynamic Change refers to companies realizing High Unit Volume Growth or companies undergoing Positive Lifecycle Change. High Unit Volume Growth companies are traditional growth companies experiencing, for example, rapidly growing demand or market dominance. Positive Lifecycle Change companies are, for example, companies benefitting from new regulations, a new product innovation or new management.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">A portion of the Fund’s assets are sub-advised by Weatherbie Capital, LLC (“Weatherbie”), an affiliate of the Manager (Weatherbie and the Manager, collectively referred to as the “Manager,” where applicable).  Subject to the general supervision by the Fund’s Board of Trustees, the Manager oversees Weatherbie and evaluates its performance results. The Manager reviews portfolio performance, compliance with investment guidelines and federal securities laws, and changes in key personnel of Weatherbie. Weatherbie is primarily responsible for the day-to-day management of the portion of the Fund’s portfolio that it sub-advises, including purchases and sales of individual securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in a portfolio of U.S. and foreign equity securities (common stocks, preferred stocks and convertible securities). In addition to purchasing securities (i.e., taking long positions), the Manager will identify securities that it believes will underperform on an absolute or relative basis and will sell these securities short on behalf of the Fund. The Fund will not, however, follow a market neutral strategy and generally will have a net long position. As a result, and as a result of the cash proceeds the Fund will receive from selling securities short, the Fund will generally maintain significant positions in cash and cash equivalents. The Fund may also seek to manage the volatility of either the portfolio, a particular exposure (e.g., sector or industry) of the portfolio or individual securities through short sales, or buying or selling put or call options primarily for hedging purposes. The Fund arranges with a broker to borrow the security being sold short, and replaces the security by buying it at the current market price when it closes out the short sale. If the price of the security sold short has increased since the time of the short sale, the Fund will incur a loss in addition to the costs associated with establishing, maintaining and closing out the short position. If the price of the security sold short has decreased since the time of the short sale, the Fund will experience a gain to the extent the difference in price is greater than these costs.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund has no specific guidelines or restrictions governing the concentration of the Fund’s portfolio in specific entities, sectors or market capitalizations. Accordingly, the Fund may invest a portion of its assets in securities issued by small capitalization companies. The Fund may also invest a portion of its assets in equity securities not listed on an exchange.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may invest a significant portion of its assets in securities of companies conducting business within a single sector, as defined by third party sources, including the consumer discretionary, information technology, health care, and industrials sectors.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell a stock when it reaches a target price, it fails to perform as expected, or other opportunities appear more attractive. As a result, the Fund may engage in active trading of portfolio securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund can leverage, that is, borrow money to purchase additional securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund can invest in foreign securities.</span>
</rr:StrategyNarrativeTextBlock>
<rr:RiskHeading contextRef="ClassZSharesMember_S000026226" id="x_320b6d94-0168-4964-b9b1-2d69686107bf">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Risks</span>
</rr:RiskHeading>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_RiskLoseMoneyMember" id="x_60dce5af-b363-4895-890c-b3b82bba8f0d">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s share price may go down, which means you could lose money.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_RiskNotInsuredDepositoryInstitutionMember" id="x_98093892-fd1c-4829-af2a-3f0b4f4ed500">
<span style="color:#262626;font-family:Arial;font-size:9pt;">An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_InvestmentRiskMember" id="d7c01e58-a364-447b-b1be-87ddcb62a621">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Investment Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_MarketRiskMember" id="x_3029883f-af33-4f2e-b8dc-a49f430e4c71">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Market Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Your investment in Fund shares represents an indirect investment in the securities owned by the Fund. The value of these securities, like other investments, may move up or down, sometimes rapidly and unpredictably. Your Fund shares at any point in time may be worth less than what you invested, even after taking into account the reinvestment of Fund dividends and distributions. Local, regional or global events such as environmental or natural disasters, war, terrorism, pandemics, outbreaks of infectious diseases, and similar public health threats, recessions, or other events could have a significant impact on the Fund and its investments.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_OptionsRiskMember" id="x_216d55a0-d25b-4653-a3d5-3b0a266404bd">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Options Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Price movements in the Fund’s portfolio securities may not correlate precisely with movements of the price of the option selected as a hedge. The Fund may lose money and be forced to liquidate portfolio securities to meet settlement obligations.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_ShortSalesRiskMember" id="x_875ce19c-1b82-4157-889a-f55819027533">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Short Sales Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because making short sales in securities that it does not own exposes the Fund to the risks associated with those securities, such short sales involve speculative exposure risk. The market price of a security may increase after the Fund borrows the security in order to sell it short, so that the Fund suffers a loss when it replaces the borrowed security at the higher price. The use of short sales could increase the Fund’s exposure to the market, magnifying losses and increasing volatility. Short sale transactions involve leverage because they can provide investment exposure in an amount exceeding the initial investment. Although the Fund’s gain is limited to the amount at which it sold a security short, its potential loss is limited only by the maximum attainable price of the security, less the price at which the security was sold and may, theoretically, be unlimited.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_EquitySecuritiesRiskMember" id="x_75d24fe8-b01f-4333-8184-a3c521b8ba54">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Equity Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> As with any fund that invests in stocks, your investment will fluctuate in value, and the loss of your investment is a risk of investing. The Fund’s price per share will fluctuate due to changes in the market prices of its investments. </span><span style="color:#262626;font-family:Arial;font-size:9pt;">Also, the Fund’s investments may not grow as fast as the rate of inflation and stocks tend to be more volatile than some other investments you could make, such as bonds.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_GrowthSecuritiesRiskMember" id="e562749e-ed8e-45d6-97c7-f52367c16a2f">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Growth Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prices of growth stocks tend to be higher in relation to their companies’ earnings and may be more sensitive to market, political and economic developments than other stocks, making their prices more volatile. An investment in the Fund may be better suited to investors who seek long-term capital growth and can tolerate fluctuations in their investment’s value.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_SectorRiskMember" id="x_9ee6191b-40fb-472e-83d8-777e63fc4ff3">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Sector Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may have a significant portion of its assets invested in securities of companies conducting business within a single sector, as defined by third party sources. Companies in the same sector may be similarly affected by economic, regulatory, political or market events or conditions, which may make the Fund more vulnerable to unfavorable developments in that sector than a fund that has a more diversified portfolio. Generally, the more broadly the Fund invests, the more it spreads risk and potentially reduces the risks of loss and volatility.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_ConsumerDiscretionarySectorRiskMember" id="a3e9e8d1-591d-451e-9d68-00d97c82de44">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Consumer Discretionary Sector Risk – The consumer discretionary sector may be affected by changes in domestic and international economies, exchange and interest rates, competition, consumers’ disposable income, consumer preferences, social trends and marketing campaigns.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_InformationTechnologySectorRiskMember" id="x_676ffb97-11e8-445f-827b-f31a781e83bd">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Information Technology Sector Risk – The Fund may have a significant portion of its assets invested in securities of technology-related companies. Therefore, the Fund may be more susceptible to particular risks that may affect companies in the information technology sector and technology-related sectors than if it were invested in a wider variety of companies in unrelated sectors. At times, the performance of such companies will lag the performance of other industries or the broader market as a whole. Certain technology related companies may face special risks that their products or services may not prove to be commercially successful. Technology related companies are also strongly affected by worldwide scientific or technological developments. As a result, their products may rapidly become obsolete. Such companies are also often subject to governmental regulation and may, therefore, be adversely affected by governmental policies. These factors may lead to limited earnings and/or failing profit margins. As a result, the value of technology related companies’ securities may fall or fail to rise. Many technology related companies’ securities have historically been more volatile than other securities, especially over the short term.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_HealthCareSectorRiskMember" id="x_400110dc-510e-4b53-8d52-a71b3b757be9">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Health Care Sector Risk – The Fund may have a significant portion of its assets invested in securities of healthcare companies. At times, the performance of healthcare companies will lag the performance of other industries or the broader market as a whole, and the performance of such companies may be more volatile. Healthcare companies may also be significantly affected by intense competition, aggressive pricing, government regulation, technological innovations, product obsolescence, patent considerations, product compatibility and consumer preferences.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_IndustrialsSectorRiskMember" id="e39e23e7-06bf-483c-b4e9-7c409bbc7e45">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Industrials Sector Risk – The Fund may have a significant portion of its assets invested in securities of companies in the industrials sector. Industrial companies are affected by supply and demand both for their specific product or service and for industrials sector products in general. Government regulation, world events, exchange rates and economic conditions, technological developments and liabilities for environmental damage and general civil liabilities will likewise affect the performance of these companies. Aerospace and defense companies, a component of the industrials sector, can be significantly affected by government spending policies because companies involved in this industry rely, to a significant extent, on U.S. and foreign government demand for their products and services.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_ForeignSecuritiesRiskMember" id="b4acf070-f7c5-46d4-83de-01d12016c7ad">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Foreign Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund’s performance will be influenced by political, social and economic factors affecting investments in foreign companies. Special risks associated with investments in foreign companies include exposure to currency fluctuations, lack of liquidity, potential for market manipulation, less developed or less efficient trading markets, limited access to reliable capital, lack of comprehensive company information, political instability, differing audit, regulatory, and legal standards and lack of financial reporting standards.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_ConvertibleSecuritiesRiskMember" id="x_666e0c4b-f135-46d7-b773-c421e9b99a47">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Convertible Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Issuers of convertible securities may not be as strong financially as other companies, and may be more vulnerable to changes in the economy.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_SmallCapSecuritiesRiskMember" id="x_3b2f81fe-060e-40d1-ace3-f49687c4659a">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Small Cap Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> There may be greater risk in investing in companies with small market capitalizations rather than larger, more established companies owing to such factors as more limited product lines or financial resources or lack of management depth. It may also be difficult or impossible to liquidate a security position at a time and price acceptable to the Fund because of the potentially less frequent trading of stocks of smaller market capitalization.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_LeverageRiskMember" id="x_8a4be783-159e-4367-b70f-3dac9beb744e">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Leverage Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The cost of borrowing money to leverage may exceed the returns for the securities purchased or the securities purchased may actually go down in value; thus, the Fund’s net asset value may decrease more quickly than if the Fund had not borrowed.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_PortfolioTurnoverActiveTradingRiskMember" id="x_11465127-e98b-440f-b67e-34036eedf983">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Portfolio Turnover (Active Trading) Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because the Fund may engage in active trading of portfolio securities, it may incur increased transaction costs and brokerage commissions, both of which can lower the actual return on an investment. Active trading may also increase short-term gains and losses, which may affect the taxes a shareholder has to pay.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassZSharesMember_S000026226_CashPositionRiskMember" id="ddb49cc1-d8b9-4ff3-9e13-ec3c748a0bdb">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Cash Position Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> At times, the Fund may hold a significant portion of its net assets in cash (and cash equivalents), which may underperform relative to equity securities.</span>
</rr:RiskTextBlock>
<rr:BarChartAndPerformanceTableHeading contextRef="ClassZSharesMember_S000026226" id="d706b907-61ca-4f58-94f5-f2b8b936b4ac">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Performance</span>
</rr:BarChartAndPerformanceTableHeading>
<rr:PerformanceNarrativeTextBlock contextRef="ClassZSharesMember_S000026226" id="x_1e8364cd-2ad9-4887-ae84-9d31ff374263">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and after taxes) is not necessarily an indication of how it will perform in the future.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Updated performance information is available on the Fund’s </span><span style="color:#262626;font-family:Arial;font-size:9pt;">website </span><span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span><span style="color:#262626;font-family:Arial;font-size:9pt;">.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund compares its performance to the S&P 500 Index, a broad based measure of market performance. The Fund also compares its performance to the HFRI Equity Hedge (Total) Index (the “HFRI Index”). The HFRI Index provides a more complete comparison of Fund performance relative to a broader array of long-short equity strategies. In addition, the HFRI Index utilizes shorting as a component of its construction, unlike the S&P 500 Index.</span>
</rr:PerformanceNarrativeTextBlock>
<rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="ClassZSharesMember_S000026226" id="x_7955f4ad-c096-4dbb-b963-028cc8d68544">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span>
</rr:PerformanceInformationIllustratesVariabilityOfReturns>
<rr:PerformancePastDoesNotIndicateFuture contextRef="ClassZSharesMember_S000026226" id="x_856851a4-e0c8-4e15-a219-6094e8893b14">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past performance (before and after taxes) is not necessarily an indication of how it will perform in the future.</span>
</rr:PerformancePastDoesNotIndicateFuture>
<rr:PerformanceAvailabilityWebSiteAddress contextRef="ClassZSharesMember_S000026226" id="x_2dfdcb61-4fff-4378-aad6-be3ac744d05a">
<span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span>
</rr:PerformanceAvailabilityWebSiteAddress>
<rr:BarChartHeading contextRef="ClassZSharesMember_S000026226" id="d5f1898f-c274-493b-81ee-006cffa9dcd1">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;">Annual Total Return for Class Z Shares</span><span style="color:#262626;font-family:Arial;font-size:10pt;line-height:12pt;"> </span><span style="color:#262626;font-family:Arial;font-size:10pt;font-style:italic;">as of December 31 (%)</span>
</rr:BarChartHeading>
<rr:BarChartClosingTextBlock contextRef="ClassZSharesMember_S000026226" id="x_686cc508-184d-4655-9090-016f40e4ee20">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">19.72%</span><span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q4 2018</span><span style="color:#262626;font-family:Arial;font-size:8pt;">-15.04%</span>
</rr:BarChartClosingTextBlock>
<rr:HighestQuarterlyReturnLabel contextRef="ClassZSharesMember_S000026226_C000095104" id="x_423a89f6-754c-4137-83d4-90b4c493231a">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span>
</rr:HighestQuarterlyReturnLabel>
<rr:BarChartHighestQuarterlyReturnDate contextRef="ClassZSharesMember_S000026226_C000095104" id="x_9720cc51-aea2-43b2-afbe-5d764ccae178"> 2020-06-30 </rr:BarChartHighestQuarterlyReturnDate>
<rr:BarChartHighestQuarterlyReturn contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="f111b65b-3ece-496c-9308-bbfec3179182" unitRef="pure"> 0.1972 </rr:BarChartHighestQuarterlyReturn>
<rr:LowestQuarterlyReturnLabel contextRef="ClassZSharesMember_S000026226_C000095104" id="dafbfd31-04db-4c4f-a087-251d9bd4f84f">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span>
</rr:LowestQuarterlyReturnLabel>
<rr:BarChartLowestQuarterlyReturnDate contextRef="ClassZSharesMember_S000026226_C000095104" id="x_3f27a653-7513-4880-8018-9f240b5faba7"> 2018-12-31 </rr:BarChartLowestQuarterlyReturnDate>
<rr:BarChartLowestQuarterlyReturn contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="ba75845a-c736-48a9-ab7f-b63ac7f3c772" unitRef="pure"> -0.1504 </rr:BarChartLowestQuarterlyReturn>
<rr:PerformanceTableHeading contextRef="ClassZSharesMember_S000026226" id="bcd17788-90c7-4dc6-b796-0666eb40c47f">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Average Annual Total Return as of December 31, 2023</span>
</rr:PerformanceTableHeading>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassZSharesMember_S000026226_C000095104" id="x_959d0a20-9783-490b-abd6-9cb134ce690b"> 2010-12-29 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="x_54390a3f-b2ea-46bc-afa8-e8e5b4634721" unitRef="pure"> 0.0454 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="x_997d8f51-3812-4a84-8599-0ff937519f00" unitRef="pure"> 0.0946 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassZSharesMember_S000026226_C000095104" decimals="4" id="x_0384e86c-ec52-4e6d-bdb3-2b072b23d592" unitRef="pure"> 0.0675 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000026226_C000095104_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_24449e5c-91e0-46c2-96c3-57a10d5b912b" unitRef="pure"> 0.0454 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000026226_C000095104_ReturnAfterTaxesonDistributionsMember" decimals="4" id="ea417537-efa4-4cea-9cfc-faf2391709b9" unitRef="pure"> 0.0868 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassZSharesMember_S000026226_C000095104_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_70d56dbe-f099-49cd-9bcd-0c842d3f0777" unitRef="pure"> 0.0593 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000026226_C000095104_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_95df36bd-8c69-4094-9334-486f762f7f6c" unitRef="pure"> 0.0269 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000026226_C000095104_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="c2c92a31-2963-4252-af55-d0d95692c32a" unitRef="pure"> 0.0740 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassZSharesMember_S000026226_C000095104_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_701f2652-1bb0-478e-ad4d-f2f44583545b" unitRef="pure"> 0.0525 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000026226_SP500IndexMember" decimals="4" id="x_81117e6d-d5c1-44a5-99d6-d91dbee42d6e" unitRef="pure"> 0.2629 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000026226_SP500IndexMember" decimals="4" id="x_423e6617-2bd1-4108-bad5-f929cc38fd69" unitRef="pure"> 0.1569 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassZSharesMember_S000026226_SP500IndexMember" decimals="4" id="x_43364d87-42fb-4bbc-98c7-a0e9fd219cdb" unitRef="pure"> 0.1203 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000026226_HFRIEquityHedgeTotalIndexMember" decimals="4" id="x_517a7f05-1ff6-4778-9d9d-829bda0f8c91" unitRef="pure"> 0.1044 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000026226_HFRIEquityHedgeTotalIndexMember" decimals="4" id="x_131c6d71-8ca5-4e39-acff-f25f4bc54d8c" unitRef="pure"> 0.0824 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassZSharesMember_S000026226_HFRIEquityHedgeTotalIndexMember" decimals="4" id="d215f261-4931-4dd1-bd7c-bc5c73547de9" unitRef="pure"> 0.0521 </rr:AverageAnnualReturnYear10>
<rr:PerformanceTableNarrativeTextBlock contextRef="ClassZSharesMember_S000026226" id="x_48ac88de-5a18-4037-8ea4-46791a208cef">
<span style="color:#262626;font-family:Arial;font-size:9pt;">In the foregoing table, </span><span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNarrativeTextBlock>
<rr:PerformanceTableUsesHighestFederalRate contextRef="ClassZSharesMember_S000026226" id="x_0f3550fa-1112-4384-aaa4-14a6e1deb336">
<span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span>
</rr:PerformanceTableUsesHighestFederalRate>
<rr:PerformanceTableNotRelevantToTaxDeferred contextRef="ClassZSharesMember_S000026226" id="x_788ea161-aeeb-494d-914a-416783c1efe0">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNotRelevantToTaxDeferred>
<rr:RiskReturnHeading contextRef="ClassISharesMember_S000030688" id="x_974f4ce8-500b-4b5a-80e1-d38b523b4cc6">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Alger Emerging Markets Fund</span>
</rr:RiskReturnHeading>
<rr:ObjectiveHeading contextRef="ClassISharesMember_S000030688" id="x_43b1ad7a-e95b-48f5-a78d-13dd2b0b9be6">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span>
</rr:ObjectiveHeading>
<rr:ObjectivePrimaryTextBlock contextRef="ClassISharesMember_S000030688" id="x_50698111-4177-4461-b61d-0ed9031aed56">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Alger Emerging Markets Fund seeks long-term capital appreciation.</span>
</rr:ObjectivePrimaryTextBlock>
<rr:ExpenseHeading contextRef="ClassISharesMember_S000030688" id="x_42e83e45-0088-421a-9be4-ad2406813473">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Fund Fees and Expenses</span>
</rr:ExpenseHeading>
<rr:ExpenseNarrativeTextBlock contextRef="ClassISharesMember_S000030688" id="a06e401d-e437-4e68-bb1e-949598dc81aa">
<span style="color:#262626;font-family:Arial;font-size:9pt;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. </span><span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below.</span>
</rr:ExpenseNarrativeTextBlock>
<rr:ShareholderFeesCaption contextRef="ClassISharesMember_S000030688" id="x_7cfb4fb0-68db-43fe-8518-652e9bc4c79a">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Shareholder Fees</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(fees paid directly from your investment)</span>
</rr:ShareholderFeesCaption>
<rr:ShareholderFeeOther contextRef="ClassISharesMember_S000030688_C000095101" decimals="INF" id="a47e72ee-daa6-45be-8af4-760ed62fbc51" unitRef="USD"> 0 </rr:ShareholderFeeOther>
<rr:OperatingExpensesCaption contextRef="ClassISharesMember_S000030688" id="x_766c2a51-4575-45dc-93b8-93f7f114bc47">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Annual Fund Operating Expenses</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(expenses that you pay each year as a percentage of the value of your investment)</span>
</rr:OperatingExpensesCaption>
<rr:ManagementFeesOverAssets contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="x_2ba2e655-952b-4cc4-80f2-8a66ab12f802" unitRef="pure"> 0.0075 </rr:ManagementFeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="x_6a4e0c0e-2e41-4c39-b959-1a9c21716556" unitRef="pure"> 0.0025 </rr:DistributionAndService12b1FeesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="d71c5987-4f18-40ff-86ab-b430c4a3d668" unitRef="pure"> 0.0105 </rr:OtherExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="a411b77f-3186-4fd5-a9de-a06092bde2d9" unitRef="pure"> 0.0205 </rr:ExpensesOverAssets>
<rr:FeeWaiverOrReimbursementOverAssets contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="x_3804fcbc-25a6-495b-b86b-ddf45ac9a50c" unitRef="pure"> -0.0058 </rr:FeeWaiverOrReimbursementOverAssets>
<rr:NetExpensesOverAssets contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="a86bcec1-d4ea-4e01-bcbf-15a113f799b1" unitRef="pure"> 0.0147 </rr:NetExpensesOverAssets>
<rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="ClassISharesMember_S000030688" id="x_3b4361c7-951a-4612-b49e-9c362ed1dab0">
<span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</span><span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</span>
</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
<rr:ExpenseExampleHeading contextRef="ClassISharesMember_S000030688" id="x_997afe53-4c22-4b61-a841-421bfef861a9">
<span style="color:#0065D2;font-family:Arial;font-size:9pt;font-weight:bold;">Example</span>
</rr:ExpenseExampleHeading>
<rr:ExpenseExampleNarrativeTextBlock contextRef="ClassISharesMember_S000030688" id="ad18b968-1ab7-41ff-acca-b98ad6189296">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. The one-year example and the period of the three-, five- and ten-year examples through October 31, 2025 are based on net operating expenses, which reflect the contractual expense limitation agreed to by the Manager. Although your actual costs may be higher or lower, based on these assumptions you would pay the following expenses whether or not you redeemed your shares at the end of each period:</span>
</rr:ExpenseExampleNarrativeTextBlock>
<rr:ExpenseExampleYear01 contextRef="ClassISharesMember_S000030688_C000095101" decimals="INF" id="x_95560a8f-0b37-4776-a702-3d34fe52577c" unitRef="USD"> 150 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassISharesMember_S000030688_C000095101" decimals="INF" id="x_15d64131-5fc6-46d6-9c0a-b97d7bba04af" unitRef="USD"> 547 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassISharesMember_S000030688_C000095101" decimals="INF" id="x_6a8a897b-6c04-4e56-b18b-6cd2b79574de" unitRef="USD"> 1012 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassISharesMember_S000030688_C000095101" decimals="INF" id="x_83a43fff-a420-4acd-a5d2-9c50cca0d1d2" unitRef="USD"> 2300 </rr:ExpenseExampleYear10>
<rr:PortfolioTurnoverHeading contextRef="ClassISharesMember_S000030688" id="x_1e2ccaa5-2808-419b-959b-9e89f1057975">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Portfolio Turnover</span>
</rr:PortfolioTurnoverHeading>
<rr:PortfolioTurnoverTextBlock contextRef="ClassISharesMember_S000030688" id="x_5dff1f43-7713-4adb-86c4-1de01ecd5a44">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was </span><span style="color:#262626;font-family:Arial;font-size:9pt;">109.60</span><span style="color:#262626;font-family:Arial;font-size:9pt;">% of the average value of its portfolio.</span>
</rr:PortfolioTurnoverTextBlock>
<rr:PortfolioTurnoverRate contextRef="ClassISharesMember_S000030688" decimals="4" id="x_45348b55-44eb-4530-84ad-71e1145619d8" unitRef="pure"> 1.0960 </rr:PortfolioTurnoverRate>
<rr:StrategyHeading contextRef="ClassISharesMember_S000030688" id="x_52d282c2-aaf1-4520-9ff4-c3c6c2378455">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Investment Strategy</span>
</rr:StrategyHeading>
<rr:StrategyNarrativeTextBlock contextRef="ClassISharesMember_S000030688" id="x_926670c9-0a1e-479e-b5dc-915c718dbc3c">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund is sub-advised by Redwood Investments, LLC (“Redwood”), an affiliate of the Manager (Redwood and the Manager, collectively referred to as the “Manager,” where applicable).  Subject to the general supervision by the Fund’s Board of Trustees, the Manager oversees Redwood and evaluates its performance results. The Manager reviews portfolio performance, compliance with investment guidelines and federal securities laws, and changes in key personnel of Redwood. Redwood is primarily responsible for the day-to-day management of the Fund’s portfolio, including purchases and sales of individual securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in companies that it believes meet three primary criteria: (1) high quality companies, (2) which are attractively valued, and (3) where the Manager believes that future earnings and free cash flow growth will be meaningfully above what is expected by the market. High quality companies are those companies that offer strong earnings visibility and sustainability because of their durable competitive advantages, capable management teams, and prudent financial management. The Manager focuses on understanding industry and company dynamics to assess company quality, and on identifying and forecasting critical drivers to reach a differentiated view of future growth.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund is an all-cap, all-country, opportunistic focus fund which generally holds less than 50 holdings. Fund holdings may differ from this number for a variety of reasons, including, among others, because of extreme market volatility, such as when the Fund has entered a temporary defensive position. Additionally, the Fund may exceed the stated number of holdings when it acquires a new holding and determines that it is in the best interests of shareholders to sell an existing holding over a period of time, instead of immediately selling the entire holding.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Under normal circumstances, the Fund invests at least 80% of its net assets, plus any borrowings for investment purposes, in equity securities, including common stocks, American Depositary Receipts and Global Depositary Receipts, of emerging country issuers. The Manager may consider classifications including those of the World Bank, the International Finance Corporation, or the United Nations (and its agencies) in determining whether a country is an emerging country. Emerging countries include, but are not limited to, the countries that comprise the MSCI Emerging Markets Index. Currently, most Central and South American, African, Asian and Eastern European nations, among others, are considered emerging countries.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may invest up to 20% of its net assets in equity securities, including common stocks, American Depositary Receipts and Global Depositary Receipts, of frontier country issuers. Frontier countries include, but are not limited to, the countries that comprise the MSCI Frontier Markets Index.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">For purposes of the Fund’s investment strategies, the issuer of a security is considered to be located in a country if: (i) the company is organized under the laws of, or has a principal office in that country, (ii) the company’s securities are primarily listed in that country, or (iii) a majority of its assets are in, or a majority of its revenue or profits from businesses, investments or sales are from, that country. An emerging or frontier country issuer may also include an exchange-traded fund that is principally invested in equity securities of emerging or frontier market country issuers.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund generally invests in at least three emerging countries, and, at times, may invest a substantial portion of its assets in a single emerging country. The Fund may invest in companies of any market capitalization, from larger, well-established companies to small, emerging growth companies.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund generally invests a substantial portion of its assets in a smaller number of issuers. The Fund may invest a significant portion of its assets in securities of companies conducting business within a single sector, as defined by third party sources.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell a stock when it reaches a target price, it fails to perform as expected, or other opportunities appear more attractive. As a result, the Fund may engage in active trading of portfolio securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in cash (and cash equivalents) when the Fund is unable to find enough attractive long-term investments to meet its investment objective, to meet redemptions and/or when the Manager believes it is advisable to do so during times of short-term market volatility. During these times, cash (and cash equivalents) will not exceed 15% of the Fund’s net assets.</span>
</rr:StrategyNarrativeTextBlock>
<rr:RiskHeading contextRef="ClassISharesMember_S000030688" id="x_135e7b4c-9b8f-42b4-8b54-238755772ca2">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Risks</span>
</rr:RiskHeading>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_RiskLoseMoneyMember" id="d043b210-4ebe-43cf-b0ca-a833cd543bbd">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s share price may go down, which means you could lose money.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_RiskNotInsuredDepositoryInstitutionMember" id="x_6b94e5c5-c38a-42be-b70d-2304e0c99646">
<span style="color:#262626;font-family:Arial;font-size:9pt;">An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_InvestmentRiskMember" id="x_7bdfcb49-45b1-4f44-8373-a9f47c159ec8">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Investment Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_MarketRiskMember" id="x_8b5706a9-b5e4-4f96-ae34-b6552afd31e9">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Market Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Your investment in Fund shares represents an indirect investment in the securities owned by the Fund. The value of these securities, like other investments, may move up or down, sometimes rapidly and unpredictably. Your Fund shares at any point in time may be worth less than what you invested, even after taking into account the reinvestment of Fund dividends and distributions. Local, regional or global events such as environmental or natural disasters, war, terrorism, pandemics, outbreaks of infectious diseases, and similar public health threats, recessions, or other events could have a significant impact on the Fund and its investments.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_EquitySecuritiesRiskMember" id="x_81fb6f10-91b1-4ec6-9f27-b0fcfc609f3a">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Equity Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> As with any fund that invests in stocks, your investment will fluctuate in value, and the loss of your investment is a risk of investing. The Fund’s price per share will fluctuate due to changes in the market prices of its investments. Also, the Fund’s investments may not grow as fast as the rate of inflation and stocks tend to be more volatile than some other investments you could make, such as bonds.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_GrowthSecuritiesRiskMember" id="bd41d449-ea84-4255-af86-09642d593eac">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Growth Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prices of growth stocks tend to be higher in relation to their companies’ earnings and may be more sensitive to market, political and economic developments than other stocks, making their prices more volatile. An investment in the Fund may be better suited to investors who seek long-term capital growth and can tolerate fluctuations in their investment’s value.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_ForeignSecuritiesRiskMember" id="dfa8aa95-77ae-4b11-8383-5bbd7c2b477c">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Foreign Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund’s performance will be influenced by political, social and economic factors affecting investments in foreign companies. Special risks associated with investments in foreign companies include exposure to currency fluctuations, lack of liquidity, potential for market manipulation, less developed or less efficient trading markets, limited access to reliable capital, lack of comprehensive company information, political instability, differing audit, regulatory, and legal standards and lack of financial reporting standards.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_EmergingMarketsRiskMember" id="bbfac063-b3b9-4f96-9434-fb87309dd9cb">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Emerging Markets Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may invest in issuers located in emerging markets, and therefore may be exposed to the economies, industries, securities and currency markets of such countries, which may be adversely affected by protectionist trade policies, a slow U.S. economy, political and social instability, regional and global conflicts, terrorism and war, including actions that are contrary to the interests of the United States. Emerging markets are riskier than more developed markets because they tend to develop unevenly and may never fully develop. Investments in emerging markets may be considered speculative. Emerging markets are more likely to experience hyperinflation and currency devaluations, which adversely affect returns to U.S. investors. In addition, many emerging securities markets have far lower trading volumes and less liquidity than developed markets. The Fund, individually or in combination with other shareholders, may have limited rights and remedies against emerging market issuers.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_FrontierMarketsRiskMember" id="a521bf9a-3f04-4901-b46d-02ff9047196b">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Frontier Markets Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may invest in issuers located in frontier countries. Frontier markets are those emerging markets that are considered to be among the smallest, least mature and least liquid, and as a result, may be more likely to experience inflation, political turmoil and rapid changes in economic conditions than more developed and traditional emerging markets. Investments in frontier markets may be subject to a greater risk of loss than investments in more developed and traditional emerging markets. Frontier markets often have less uniformity in accounting, auditing and financial reporting requirements, unreliable securities valuations and greater risk associated with custody of securities. Economic, political and currency risks may be more pronounced with respect to investments in frontier markets than in emerging markets.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_SmallCapSecuritiesRiskMember" id="x_8a131467-1165-490c-bef9-79a62bd5f715">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Small Cap Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> There may be greater risk in investing in companies with small market capitalizations rather than larger, more established companies owing to such factors as more limited product lines or financial resources or lack of management depth. It may also be difficult or impossible to liquidate a security position at a time and price acceptable to the Fund because of the potentially less frequent trading of stocks of smaller market capitalization.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_SectorRiskMember" id="x_7d9d3657-f7f7-4a83-8021-098f79ada6f8">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Sector Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may have a significant portion of its assets invested in securities of companies conducting business within a single sector, as defined by third party sources. Companies in the same sector may be similarly affected by economic, regulatory, political or market events or conditions, which may make the Fund more vulnerable to unfavorable developments in that sector than a fund that has a more diversified portfolio. Generally, the more broadly the Fund invests, the more it spreads risk and potentially reduces the risks of loss and volatility.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_ConsumerDiscretionarySectorRiskMember" id="x_40d64c9a-1a34-49ab-9b77-31fc77c6ae21">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Consumer Discretionary Sector Risk – The consumer discretionary sector may be affected by changes in domestic and international economies, exchange and interest rates, competition, consumers’ disposable income, consumer preferences, social trends and marketing campaigns.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_FinancialsSectorRiskMember" id="x_46f8d312-941e-47fb-b101-126ab832301b">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Financials Sector Risk – The Fund may have a significant portion of its assets invested in securities of financial services companies, which means the Fund may be more affected by the performance of the financials sector than a fund that is more diversified. Financial services companies are subject to extensive governmental regulation which may limit both the amounts and types of loans and other financial commitments they can make, the interest rates and fees they can charge, the scope of their activities, the prices they can charge and the amount of capital they must maintain. Certain events in the financials sector may cause an unusually high degree of volatility in the financial markets, both domestic and foreign, and cause certain financial services companies to incur large losses.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_InformationTechnologySectorRiskMember" id="x_8f27ba6e-c20c-43e7-8d63-a827d0b020ee">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Information Technology Sector Risk – The Fund may have a significant portion of its assets invested in securities of technology-related companies. Therefore, the Fund may be more susceptible to particular risks that may affect companies in the information technology sector and technology-related sectors than if it were invested in a wider variety of companies in unrelated sectors. At times, the performance of such companies will lag the performance of other industries or the broader market as a whole. Certain technology related companies may face special risks that their products or services may not prove to be commercially successful. Technology related companies are also strongly affected by worldwide scientific or technological developments. As a result, their products may rapidly become obsolete. Such companies are also often subject to governmental regulation and may, therefore, be adversely affected by governmental policies. These factors may lead to limited earnings and/or failing profit margins. As a result, the value of technology related companies’ securities may fall or fail to rise. Many technology related companies’ securities have historically been more volatile than other securities, especially over the short term.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_SmallNumberofHoldingsRiskMember" id="x_18c8c926-3ce0-4d26-9ebb-b7eaecb50bab">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Small Number of Holdings Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Under normal circumstances, the Fund invests in a small number of issuers. Therefore, the Fund’s performance may be more vulnerable to changes in the market value of a single issuer and more susceptible to risks associated with a single economic, political, or regulatory occurrence than a fund that has a higher number of holdings.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_PortfolioTurnoverActiveTradingRiskMember" id="x_834aae2e-65a4-40dc-8e6b-90bb8e08f37e">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Portfolio Turnover (Active Trading) Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because the Fund may engage in active trading of portfolio securities, it may incur increased transaction costs and brokerage commissions, both of which can lower the actual return on an investment. Active trading may also increase short-term gains and losses, which may affect the taxes a shareholder has to pay. The Fund may experience increased turnover as a result of the change in portfolio management and transition to investing in a smaller number of issuers.</span>
</rr:RiskTextBlock>
<rr:RiskTextBlock contextRef="ClassISharesMember_S000030688_CashPositionRiskMember" id="x_8ef870db-b4a4-40d4-abcb-292a1d2f14ee">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Cash Position Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> At times, the Fund may hold up to 15% of its net assets in cash (and cash equivalents), which may underperform relative to equity securities.</span>
</rr:RiskTextBlock>
<rr:BarChartAndPerformanceTableHeading contextRef="ClassISharesMember_S000030688" id="x_06bb0941-0003-4e4f-8bd7-0e578e28a977">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Performance</span>
</rr:BarChartAndPerformanceTableHeading>
<rr:PerformanceNarrativeTextBlock contextRef="ClassISharesMember_S000030688" id="x_9490a43d-d70d-48c6-95be-1161496b5c02">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Before September 24, 2019, the Fund followed different </span><span style="color:#262626;font-family:Arial;font-size:9pt;">investment strategies and was managed by different portfolio managers. Performance prior to September 24, 2019 reflects these prior management styles and does not reflect the Fund's current investment strategies and investment personnel. </span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past </span><span style="color:#262626;font-family:Arial;font-size:9pt;">performance (before and after taxes) is not necessarily an indication of how it will perform in the future.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Updated performance </span><span style="color:#262626;font-family:Arial;font-size:9pt;">information is available on the Fund’s website </span><span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span><span style="color:#262626;font-family:Arial;font-size:9pt;">.</span>
</rr:PerformanceNarrativeTextBlock>
<rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="ClassISharesMember_S000030688" id="fab83b19-4447-4cb1-8fa7-67cfc46d8796">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span>
</rr:PerformanceInformationIllustratesVariabilityOfReturns>
<rr:PerformancePastDoesNotIndicateFuture contextRef="ClassISharesMember_S000030688" id="e3faac94-802a-4aa3-a5f7-a4e45458b514">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past </span><span style="color:#262626;font-family:Arial;font-size:9pt;">performance (before and after taxes) is not necessarily an indication of how it will perform in the future.</span>
</rr:PerformancePastDoesNotIndicateFuture>
<rr:PerformanceAvailabilityWebSiteAddress contextRef="ClassISharesMember_S000030688" id="x_8e77ef95-8c9a-452c-98c7-e1029a36904d">
<span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span>
</rr:PerformanceAvailabilityWebSiteAddress>
<rr:BarChartHeading contextRef="ClassISharesMember_S000030688" id="ff9e1bc4-c5f4-468a-b84c-960cf56532a4">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;">Annual Total Return for Class I Shares</span><span style="color:#262626;font-family:Arial;font-size:10pt;line-height:12pt;"> </span><span style="color:#262626;font-family:Arial;font-size:10pt;font-style:italic;">as of December 31 (%)</span>
</rr:BarChartHeading>
<rr:BarChartClosingTextBlock contextRef="ClassISharesMember_S000030688" id="x_595026a8-08c8-44b6-8716-60ba913271de">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">27.07%</span><span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q1 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">-20.04%</span>
</rr:BarChartClosingTextBlock>
<rr:HighestQuarterlyReturnLabel contextRef="ClassISharesMember_S000030688_C000095101" id="x_790e0f5c-8bba-40f6-930d-29791a23993f">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span>
</rr:HighestQuarterlyReturnLabel>
<rr:BarChartHighestQuarterlyReturnDate contextRef="ClassISharesMember_S000030688_C000095101" id="x_02d0afce-9128-4578-a34c-930df3ea984b"> 2020-06-30 </rr:BarChartHighestQuarterlyReturnDate>
<rr:BarChartHighestQuarterlyReturn contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="dc5c2e98-b330-45cc-ac13-76f0dc5bfa23" unitRef="pure"> 0.2707 </rr:BarChartHighestQuarterlyReturn>
<rr:LowestQuarterlyReturnLabel contextRef="ClassISharesMember_S000030688_C000095101" id="x_223e38fa-b633-49ab-b922-fb155db85914">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span>
</rr:LowestQuarterlyReturnLabel>
<rr:BarChartLowestQuarterlyReturnDate contextRef="ClassISharesMember_S000030688_C000095101" id="x_68ca8d32-6de6-48c6-b8b4-de9086bad250"> 2020-03-31 </rr:BarChartLowestQuarterlyReturnDate>
<rr:BarChartLowestQuarterlyReturn contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="x_64648cb8-1d65-45e6-b5b0-e93bf450d406" unitRef="pure"> -0.2004 </rr:BarChartLowestQuarterlyReturn>
<rr:PerformanceTableHeading contextRef="ClassISharesMember_S000030688" id="x_64f7455d-0e23-4f96-a6c9-37edf75de082">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Average Annual Total Return as of December 31, 2023</span>
</rr:PerformanceTableHeading>
<rr:AverageAnnualReturnInceptionDate contextRef="ClassISharesMember_S000030688_C000095101" id="f1a79cba-1484-4cac-97b8-afbebc5fe93d"> 2010-12-29 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="x_62302cb7-5c52-4af4-960e-b22dca04f6a3" unitRef="pure"> 0.1349 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="x_24fc3348-be22-4d4b-9026-f16105006e1b" unitRef="pure"> 0.0456 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassISharesMember_S000030688_C000095101" decimals="4" id="x_9fe3a251-c715-4818-bfe5-bddc100e4fd1" unitRef="pure"> 0.0199 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassISharesMember_S000030688_C000095101_ReturnAfterTaxesonDistributionsMember" decimals="4" id="c097d164-3174-46a6-9cb4-fedc767d0425" unitRef="pure"> 0.1349 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassISharesMember_S000030688_C000095101_ReturnAfterTaxesonDistributionsMember" decimals="4" id="c468f16e-cbde-4d15-9380-0fdc1392c01a" unitRef="pure"> 0.0403 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassISharesMember_S000030688_C000095101_ReturnAfterTaxesonDistributionsMember" decimals="4" id="b52e048d-b3c6-40f7-82ac-aeac7f0964e0" unitRef="pure"> 0.0148 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassISharesMember_S000030688_C000095101_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_41926041-31a1-4722-b83d-e52128354eb0" unitRef="pure"> 0.0799 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassISharesMember_S000030688_C000095101_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_2d0184a9-3391-4eca-ab34-6b85ad8a3984" unitRef="pure"> 0.0338 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassISharesMember_S000030688_C000095101_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="f8ef0bf7-bf2e-45a9-bf33-249a1a788c35" unitRef="pure"> 0.0135 </rr:AverageAnnualReturnYear10>
<rr:AverageAnnualReturnYear01 contextRef="ClassISharesMember_S000030688_MSCIEmergingMarketsIndexMember" decimals="4" id="ceb36fa5-92f2-4e09-baf4-9309731e45bd" unitRef="pure"> 0.1027 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassISharesMember_S000030688_MSCIEmergingMarketsIndexMember" decimals="4" id="x_9e132669-5d9f-4a9f-920e-f7886fe17bdf" unitRef="pure"> 0.0407 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnYear10 contextRef="ClassISharesMember_S000030688_MSCIEmergingMarketsIndexMember" decimals="4" id="x_6b6651be-9b43-4117-89ab-aabe12879b3f" unitRef="pure"> 0.0305 </rr:AverageAnnualReturnYear10>
<rr:PerformanceTableNarrativeTextBlock contextRef="ClassISharesMember_S000030688" id="x_41ce9432-d474-47a1-bab3-93c0d2f1e746">
<span style="color:#262626;font-family:Arial;font-size:9pt;">In the foregoing table, </span><span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNarrativeTextBlock>
<rr:PerformanceTableUsesHighestFederalRate contextRef="ClassISharesMember_S000030688" id="c1157316-71a5-423f-8e77-d93eb72ffe18">
<span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span>
</rr:PerformanceTableUsesHighestFederalRate>
<rr:PerformanceTableNotRelevantToTaxDeferred contextRef="ClassISharesMember_S000030688" id="x_96b5e00c-2947-4077-8871-9313d38b746e">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNotRelevantToTaxDeferred>
<rr:RiskReturnHeading contextRef="ClassZSharesMember_S000030688" id="e1c7dbf9-7f6b-4bd3-86e2-7f1760187a9b">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Alger Emerging Markets Fund</span>
</rr:RiskReturnHeading>
<rr:ObjectiveHeading contextRef="ClassZSharesMember_S000030688" id="x_75ce367e-b8e6-4de9-9f33-ea27faa9b962">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span>
</rr:ObjectiveHeading>
<rr:ObjectivePrimaryTextBlock contextRef="ClassZSharesMember_S000030688" id="ed1b4578-6659-4e40-a386-d726f061d4f3">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Alger Emerging Markets Fund seeks long-term capital appreciation.</span>
</rr:ObjectivePrimaryTextBlock>
<rr:ExpenseHeading contextRef="ClassZSharesMember_S000030688" id="x_249e08ef-871a-4999-8acd-4f1e0e796fbd">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Fund Fees and Expenses</span>
</rr:ExpenseHeading>
<rr:ExpenseNarrativeTextBlock contextRef="ClassZSharesMember_S000030688" id="x_3888b610-1bb2-46d5-a6ed-130ddd2e08d0">
<span style="color:#262626;font-family:Arial;font-size:9pt;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. </span><span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below.</span>
</rr:ExpenseNarrativeTextBlock>
<rr:ShareholderFeesCaption contextRef="ClassZSharesMember_S000030688" id="dc4d0ad7-07d9-45b6-b7ef-1cb27ad72125">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Shareholder Fees</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(fees paid directly from your investment)</span>
</rr:ShareholderFeesCaption>
<rr:ShareholderFeeOther contextRef="ClassZSharesMember_S000030688_C000138115" decimals="INF" id="x_91388de4-5936-411f-a917-70ad5678f69e" unitRef="USD"> 0 </rr:ShareholderFeeOther>
<rr:OperatingExpensesCaption contextRef="ClassZSharesMember_S000030688" id="x_78fdde99-097a-4103-a611-294fc4acb5ad">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Annual Fund Operating Expenses</span> <br/><span style="color:#262626;font-family:Arial;font-size:9pt;margin-left:0%;">(expenses that you pay each year as a percentage of the value of your investment)</span>
</rr:OperatingExpensesCaption>
<rr:ManagementFeesOverAssets contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="x_400d3d3b-4bbb-4f26-959a-4b084dc59869" unitRef="pure"> 0.0075 </rr:ManagementFeesOverAssets>
<rr:DistributionAndService12b1FeesOverAssets contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="x_779cc92e-0183-42a9-a5ab-c286be0a3046" unitRef="pure"> 0 </rr:DistributionAndService12b1FeesOverAssets>
<rr:OtherExpensesOverAssets contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="fc9c6332-7a73-4d91-b982-66612c93922c" unitRef="pure"> 0.0097 </rr:OtherExpensesOverAssets>
<rr:ExpensesOverAssets contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="x_4faf6454-7172-41cf-b970-83d742d0de2d" unitRef="pure"> 0.0172 </rr:ExpensesOverAssets>
<rr:FeeWaiverOrReimbursementOverAssets contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="x_52244820-3803-40e5-92b0-0cfc121ac73f" unitRef="pure"> -0.0071 </rr:FeeWaiverOrReimbursementOverAssets>
<rr:NetExpensesOverAssets contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="x_78c8fcd4-948d-4030-8151-0c160fd2a8d6" unitRef="pure"> 0.0101 </rr:NetExpensesOverAssets>
<rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="ClassZSharesMember_S000030688" id="x_8fcb2d4b-e6ab-4122-a6bd-031156536e66">
<span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</span><span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</span>
</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
<rr:ExpenseExampleHeading contextRef="ClassZSharesMember_S000030688" id="x_8c808497-89ff-48bc-b37e-eb1f4736e501">
<span style="color:#0065D2;font-family:Arial;font-size:9pt;font-weight:bold;">Example</span>
</rr:ExpenseExampleHeading>
<rr:ExpenseExampleNarrativeTextBlock contextRef="ClassZSharesMember_S000030688" id="c485b670-2f92-4078-940f-7e981305c90c">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. The one-year example and the period of the three-, five- and ten-year examples through October 31, 2025 are based on net operating expenses, which reflect the contractual expense limitation agreed to by the Manager. Although your actual costs may be higher or lower, based on these assumptions you would pay the following expenses whether or not you redeemed your shares at the end of each period:</span>
</rr:ExpenseExampleNarrativeTextBlock>
<rr:ExpenseExampleYear01 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="INF" id="x_2bc893c5-da0e-470a-8be2-18019f1a3840" unitRef="USD"> 103 </rr:ExpenseExampleYear01>
<rr:ExpenseExampleYear03 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="INF" id="b2f70c06-8f46-4e26-966f-d227ba1e550b" unitRef="USD"> 424 </rr:ExpenseExampleYear03>
<rr:ExpenseExampleYear05 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="INF" id="fed001b4-eff0-4dab-87ff-e4ac9cd18a97" unitRef="USD"> 820 </rr:ExpenseExampleYear05>
<rr:ExpenseExampleYear10 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="INF" id="x_847584a2-a214-45eb-a10a-74f91ba05e94" unitRef="USD"> 1929 </rr:ExpenseExampleYear10>
<rr:PortfolioTurnoverHeading contextRef="ClassZSharesMember_S000030688" id="x_6916e0ce-d671-479e-994e-d2f999284de5">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Portfolio Turnover</span>
</rr:PortfolioTurnoverHeading>
<rr:PortfolioTurnoverTextBlock contextRef="ClassZSharesMember_S000030688" id="ef80d11b-0bbb-4c31-8bc4-e7b7997d3120">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was </span><span style="color:#262626;font-family:Arial;font-size:9pt;">109.60</span><span style="color:#262626;font-family:Arial;font-size:9pt;">% of the average value of its portfolio.</span>
</rr:PortfolioTurnoverTextBlock>
<rr:PortfolioTurnoverRate contextRef="ClassZSharesMember_S000030688" decimals="4" id="x_6e119a9a-2baf-4eb7-91db-965c1deb2442" unitRef="pure"> 1.0960 </rr:PortfolioTurnoverRate>
<rr:StrategyHeading contextRef="ClassZSharesMember_S000030688" id="x_2484cd55-94eb-4cd6-8ca0-82db7d8eacfb">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Investment Strategy</span>
</rr:StrategyHeading>
<rr:StrategyNarrativeTextBlock contextRef="ClassZSharesMember_S000030688" id="x_6e7e1e6b-b2aa-4351-b11d-1712390cd01e">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund is sub-advised by Redwood Investments, LLC (“Redwood”), an affiliate of the Manager (Redwood and the Manager, collectively referred to as the “Manager,” where applicable).  Subject to the general supervision by the Fund’s Board of Trustees, the Manager oversees Redwood and evaluates its performance results. The Manager reviews portfolio performance, compliance with investment guidelines and federal securities laws, and changes in key personnel of Redwood. Redwood is primarily responsible for the day-to-day management of the Fund’s portfolio, including purchases and sales of individual securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in companies that it believes meet three primary criteria: (1) high quality companies, (2) which are attractively valued, and (3) where the Manager believes that future earnings and free cash flow growth will be meaningfully above what is expected by the market. High quality companies are those companies that offer strong earnings visibility and sustainability because of their durable competitive advantages, capable management teams, and prudent financial management. The Manager focuses on understanding industry and company dynamics to assess company quality, and on identifying and forecasting critical drivers to reach a differentiated view of future growth.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund is an all-cap, all-country, opportunistic focus fund which generally holds less than 50 holdings. Fund holdings may differ from this number for a variety of reasons, including, among others, because of extreme market volatility, such as when the Fund has entered a temporary defensive position. Additionally, the Fund may exceed the stated number of holdings when it acquires a new holding and determines that it is in the best interests of shareholders to sell an existing holding over a period of time, instead of immediately selling the entire holding.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Under normal circumstances, the Fund invests at least 80% of its net assets, plus any borrowings for investment purposes, in equity securities, including common stocks, American Depositary Receipts and Global Depositary Receipts, of emerging country issuers. The Manager may consider classifications including those of the World Bank, the International Finance Corporation, or the United Nations (and its agencies) in determining whether a country is an emerging country. Emerging countries include, but are not limited to, the countries that comprise the MSCI Emerging Markets Index. Currently, most Central and South American, African, Asian and Eastern European nations, among others, are considered emerging countries.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may invest up to 20% of its net assets in equity securities, including common stocks, American Depositary Receipts and Global Depositary Receipts, of frontier country issuers. Frontier countries include, but are not limited to, the countries that comprise the MSCI Frontier Markets Index.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">For purposes of the Fund’s investment strategies, the issuer of a security is considered to be located in a country if: (i) the company is organized under the laws of, or has a principal office in that country, (ii) the company’s securities are primarily listed in that country, or (iii) a majority of its assets are in, or a majority of its revenue or profits from businesses, investments or sales are from, that country. An emerging or frontier country issuer may also include an exchange-traded fund that is principally invested in equity securities of emerging or frontier market country issuers.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund generally invests in at least three emerging countries, and, at times, may invest a substantial portion of its assets in a single emerging country. The Fund may invest in companies of any market capitalization, from larger, well-established companies to small, emerging growth companies.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund generally invests a substantial portion of its assets in a smaller number of issuers. The Fund may invest a significant portion of its assets in securities of companies conducting business within a single sector, as defined by third party sources.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund may sell a stock when it reaches a target price, it fails to perform as expected, or other opportunities appear more attractive. As a result, the Fund may engage in active trading of portfolio securities.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund invests in cash (and cash equivalents) when the Fund is unable to find enough attractive long-term investments to meet its investment objective, to meet redemptions and/or when the Manager believes it is advisable to do so during times of short-term market volatility. During these times, cash (and cash equivalents) will not exceed 15% of the Fund’s net assets.</span>
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<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Risks</span>
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<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s share price may go down, which means you could lose money.</span>
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<span style="color:#262626;font-family:Arial;font-size:9pt;">An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</span>
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<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Investment Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest.</span>
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<rr:RiskTextBlock contextRef="ClassZSharesMember_S000030688_MarketRiskMember" id="x_18160701-9fa0-4e68-8447-2d5973bc37c9">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Market Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Your investment in Fund shares represents an indirect investment in the securities owned by the Fund. The value of these securities, like other investments, may move up or down, sometimes rapidly and unpredictably. Your Fund shares at any point in time may be worth less than what you invested, even after taking into account the reinvestment of Fund dividends and distributions. Local, regional or global events such as environmental or natural disasters, war, terrorism, pandemics, outbreaks of infectious diseases, and similar public health threats, recessions, or other events could have a significant impact on the Fund and its investments.</span>
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<rr:RiskTextBlock contextRef="ClassZSharesMember_S000030688_EquitySecuritiesRiskMember" id="x_45697601-d9cf-4c98-875b-7b9f9552504c">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Equity Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> As with any fund that invests in stocks, your investment will fluctuate in value, and the loss of your investment is a risk of investing. The Fund’s price per share will fluctuate due to changes in the market prices of its investments. Also, the Fund’s investments may not grow as fast as the rate of inflation and stocks tend to be more volatile than some other investments you could make, such as bonds.</span>
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<rr:RiskTextBlock contextRef="ClassZSharesMember_S000030688_GrowthSecuritiesRiskMember" id="x_6ab577aa-4d3d-4005-bd8a-a18c87c1de46">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Growth Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Prices of growth stocks tend to be higher in relation to their companies’ earnings and may be more sensitive to market, political and economic developments than other stocks, making their prices more volatile. An investment in the Fund may be better suited to investors who seek long-term capital growth and can tolerate fluctuations in their investment’s value.</span>
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<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Foreign Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund’s performance will be influenced by political, social and economic factors affecting investments in foreign companies. Special risks associated with investments in foreign companies include exposure to currency fluctuations, lack of liquidity, potential for market manipulation, less developed or less efficient trading markets, limited access to reliable capital, lack of comprehensive company information, political instability, differing audit, regulatory, and legal standards and lack of financial reporting standards.</span>
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<rr:RiskTextBlock contextRef="ClassZSharesMember_S000030688_EmergingMarketsRiskMember" id="f3f4903a-24a4-4479-8cf1-6602d16aa173">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Emerging Markets Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may invest in issuers located in emerging markets, and therefore may be exposed to the economies, industries, securities and currency markets of such countries, which may be adversely affected by protectionist trade policies, a slow U.S. economy, political and social instability, regional and global conflicts, terrorism and war, including actions that are contrary to the interests of the United States. Emerging markets are riskier than more developed markets because they tend to develop unevenly and may never fully develop. Investments in emerging markets may be considered speculative. Emerging markets are more likely to experience hyperinflation and currency devaluations, which adversely affect returns to U.S. investors. In addition, many emerging securities markets have far lower trading volumes and less liquidity than developed markets. The Fund, individually or in combination with other shareholders, may have limited rights and remedies against emerging market issuers.</span>
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<rr:RiskTextBlock contextRef="ClassZSharesMember_S000030688_FrontierMarketsRiskMember" id="x_96f243cf-2ab3-4581-8d46-17891f360a37">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Frontier Markets Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may invest in issuers located in frontier countries. Frontier markets are those emerging markets that are considered to be among the smallest, least mature and least liquid, and as a result, may be more likely to experience inflation, political turmoil and rapid changes in economic conditions than more developed and traditional emerging markets. Investments in frontier markets may be subject to a greater risk of loss than investments in more developed and traditional emerging markets. Frontier markets often have less uniformity in accounting, auditing and financial reporting requirements, unreliable securities valuations and greater risk associated with custody of securities. Economic, political and currency risks may be more pronounced with respect to investments in frontier markets than in emerging markets.</span>
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<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Small Cap Securities Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> There may be greater risk in investing in companies with small market capitalizations rather than larger, more established companies owing to such factors as more limited product lines or financial resources or lack of management depth. It may also be difficult or impossible to liquidate a security position at a time and price acceptable to the Fund because of the potentially less frequent trading of stocks of smaller market capitalization.</span>
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<rr:RiskTextBlock contextRef="ClassZSharesMember_S000030688_SectorRiskMember" id="x_1b8ca123-d2be-477e-9804-b4edd6c3483e">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Sector Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> The Fund may have a significant portion of its assets invested in securities of companies conducting business within a single sector, as defined by third party sources. Companies in the same sector may be similarly affected by economic, regulatory, political or market events or conditions, which may make the Fund more vulnerable to unfavorable developments in that sector than a fund that has a more diversified portfolio. Generally, the more broadly the Fund invests, the more it spreads risk and potentially reduces the risks of loss and volatility.</span>
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<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Consumer Discretionary Sector Risk – The consumer discretionary sector may be affected by changes in domestic and international economies, exchange and interest rates, competition, consumers’ disposable income, consumer preferences, social trends and marketing campaigns.</span>
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<rr:RiskTextBlock contextRef="ClassZSharesMember_S000030688_FinancialsSectorRiskMember" id="cd3fe663-e148-4ba4-aaa4-674e3b73c4b5">
<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Financials Sector Risk – The Fund may have a significant portion of its assets invested in securities of financial services companies, which means the Fund may be more affected by the performance of the financials sector than a fund that is more diversified. Financial services companies are subject to extensive governmental regulation which may limit both the amounts and types of loans and other financial commitments they can make, the interest rates and fees they can charge, the scope of their activities, the prices they can charge and the amount of capital they must maintain. Certain events in the financials sector may cause an unusually high degree of volatility in the financial markets, both domestic and foreign, and cause certain financial services companies to incur large losses.</span>
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<span style="color:#ADFFDC;font-family:Arial;font-size:9pt;">•</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Information Technology Sector Risk – The Fund may have a significant portion of its assets invested in securities of technology-related companies. Therefore, the Fund may be more susceptible to particular risks that may affect companies in the information technology sector and technology-related sectors than if it were invested in a wider variety of companies in unrelated sectors. At times, the performance of such companies will lag the performance of other industries or the broader market as a whole. Certain technology related companies may face special risks that their products or services may not prove to be commercially successful. Technology related companies are also strongly affected by worldwide scientific or technological developments. As a result, their products may rapidly become obsolete. Such companies are also often subject to governmental regulation and may, therefore, be adversely affected by governmental policies. These factors may lead to limited earnings and/or failing profit margins. As a result, the value of technology related companies’ securities may fall or fail to rise. Many technology related companies’ securities have historically been more volatile than other securities, especially over the short term.</span>
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<rr:RiskTextBlock contextRef="ClassZSharesMember_S000030688_SmallNumberofHoldingsRiskMember" id="ec63cfa3-90da-4ba9-a72c-229e0eff4ffe">
<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Small Number of Holdings Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Under normal circumstances, the Fund invests in a small number of issuers. Therefore, the Fund’s performance may be more vulnerable to changes in the market value of a single issuer and more susceptible to risks associated with a single economic, political, or regulatory occurrence than a fund that has a higher number of holdings.</span>
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<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Portfolio Turnover (Active Trading) Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Because the Fund may engage in active trading of portfolio securities, it may incur increased transaction costs and brokerage commissions, both of which can lower the actual return on an investment. Active trading may also increase short-term gains and losses, which may affect the taxes a shareholder has to pay. The Fund may experience increased turnover as a result of the change in portfolio management and transition to investing in a smaller number of issuers.</span>
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<span style="color:#262626;font-family:Arial;font-size:9pt;font-weight:bold;">Cash Position Risk –</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> At times, the Fund may hold up to 15% of its net assets in cash (and cash equivalents), which may underperform relative to equity securities.</span>
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<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Performance</span>
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<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Before September 24, 2019, the Fund followed different </span><span style="color:#262626;font-family:Arial;font-size:9pt;">investment strategies and was managed by different portfolio managers. Performance prior to September 24, 2019 reflects these prior management styles and does not reflect the Fund's current investment strategies and investment personnel. </span><span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past </span><span style="color:#262626;font-family:Arial;font-size:9pt;">performance (before and after taxes) is not necessarily an indication of how it will perform in the future.</span><span style="color:#262626;font-family:Arial;font-size:9pt;"> Updated performance </span><span style="color:#262626;font-family:Arial;font-size:9pt;">information is available on the Fund’s website </span><span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span><span style="color:#262626;font-family:Arial;font-size:9pt;">.</span>
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<rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="ClassZSharesMember_S000030688" id="b1459f3c-81f6-4d3c-9847-e9f212c8d852">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The following bar chart and the table beneath it provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the indicated periods compare with those of an appropriate benchmark of market performance.</span>
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<rr:PerformancePastDoesNotIndicateFuture contextRef="ClassZSharesMember_S000030688" id="x_39533cea-e1a3-470a-a7be-4ef5d64b18b9">
<span style="color:#262626;font-family:Arial;font-size:9pt;">The Fund’s past </span><span style="color:#262626;font-family:Arial;font-size:9pt;">performance (before and after taxes) is not necessarily an indication of how it will perform in the future.</span>
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<span style="color:#262626;font-family:Arial;font-size:9pt;">www.alger.com</span>
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<rr:BarChartHeading contextRef="ClassZSharesMember_S000030688" id="d8f184e9-df38-4dbf-9cb7-f26456d2db32">
<span style="color:#262626;font-family:Arial;font-size:10pt;font-weight:bold;">Annual Total Return for Class Z Shares</span><span style="color:#262626;font-family:Arial;font-size:10pt;line-height:12pt;"> </span><span style="color:#262626;font-family:Arial;font-size:10pt;font-style:italic;">as of December 31 (%)</span>
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<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q2 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">27.19%</span><span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span><span style="color:#262626;font-family:Arial;font-size:8pt;">Q1 2020</span><span style="color:#262626;font-family:Arial;font-size:8pt;">-19.98%</span>
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<rr:HighestQuarterlyReturnLabel contextRef="ClassZSharesMember_S000030688_C000138115" id="fe1e89ef-eb48-4ec8-ad2c-010b3ad35531">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Best Quarter:</span>
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<rr:BarChartHighestQuarterlyReturnDate contextRef="ClassZSharesMember_S000030688_C000138115" id="a585d980-81cf-46b7-bb3c-3044d3277997"> 2020-06-30 </rr:BarChartHighestQuarterlyReturnDate>
<rr:BarChartHighestQuarterlyReturn contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="e06269e2-d304-417c-9acc-acc161dbd6b0" unitRef="pure"> 0.2719 </rr:BarChartHighestQuarterlyReturn>
<rr:LowestQuarterlyReturnLabel contextRef="ClassZSharesMember_S000030688_C000138115" id="x_0e3019f4-289a-4e69-a318-bb27ea9ed141">
<span style="color:#262626;font-family:Arial;font-size:8pt;font-weight:bold;">Worst Quarter:</span>
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<rr:BarChartLowestQuarterlyReturnDate contextRef="ClassZSharesMember_S000030688_C000138115" id="b59a458e-ca62-477d-b31d-96d4ae360469"> 2020-03-31 </rr:BarChartLowestQuarterlyReturnDate>
<rr:BarChartLowestQuarterlyReturn contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="x_5c2abc22-4277-4fef-a2f7-1d974683f810" unitRef="pure"> -0.1998 </rr:BarChartLowestQuarterlyReturn>
<rr:PerformanceTableHeading contextRef="ClassZSharesMember_S000030688" id="d4c49f7b-ba35-47c1-afb0-f8c2207c9735">
<span style="color:#0065D2;font-family:Arial;font-size:10pt;font-weight:bold;">Average Annual Total Return as of December 31, 2023</span>
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<rr:AverageAnnualReturnInceptionDate contextRef="ClassZSharesMember_S000030688_C000138115" id="x_235185f5-46c1-4551-a11b-bd6fc25b4ba8"> 2014-02-28 </rr:AverageAnnualReturnInceptionDate>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="x_98171b11-77f4-44a1-ba91-0eb497ba7f85" unitRef="pure"> 0.1402 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="a4d5ae14-2ac7-4aa9-9f0c-7c4a47dd3a73" unitRef="pure"> 0.0504 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnSinceInception contextRef="ClassZSharesMember_S000030688_C000138115" decimals="4" id="x_3ad3d1f0-d26f-43fa-9743-b0b1c0fa650d" unitRef="pure"> 0.0262 </rr:AverageAnnualReturnSinceInception>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000030688_C000138115_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_162397c9-ab55-49f1-8fb3-66988611cabe" unitRef="pure"> 0.1395 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000030688_C000138115_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_77ed05d1-6342-4946-a5da-2abf0fec3144" unitRef="pure"> 0.0445 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnSinceInception contextRef="ClassZSharesMember_S000030688_C000138115_ReturnAfterTaxesonDistributionsMember" decimals="4" id="x_59627843-88a9-4976-804f-059a92931645" unitRef="pure"> 0.0202 </rr:AverageAnnualReturnSinceInception>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000030688_C000138115_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="x_06a86b27-d661-4439-b29c-2f7144354d59" unitRef="pure"> 0.0830 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000030688_C000138115_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="f3b6b5ab-3a14-42ad-bc02-a4be54592846" unitRef="pure"> 0.0373 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnSinceInception contextRef="ClassZSharesMember_S000030688_C000138115_ReturnAfterTaxesonDistributionsandSaleofSharesMember" decimals="4" id="e3fcadbe-a190-4230-9327-3255a126a334" unitRef="pure"> 0.0180 </rr:AverageAnnualReturnSinceInception>
<rr:AverageAnnualReturnYear01 contextRef="ClassZSharesMember_S000030688_MSCIEmergingMarketsIndexMember" decimals="4" id="x_6fba4564-3175-4bf7-b651-1b36aca7830b" unitRef="pure"> 0.1027 </rr:AverageAnnualReturnYear01>
<rr:AverageAnnualReturnYear05 contextRef="ClassZSharesMember_S000030688_MSCIEmergingMarketsIndexMember" decimals="4" id="x_828ad3c3-5824-451e-9cca-12cf40717ef7" unitRef="pure"> 0.0407 </rr:AverageAnnualReturnYear05>
<rr:AverageAnnualReturnSinceInception contextRef="ClassZSharesMember_S000030688_MSCIEmergingMarketsIndexMember" decimals="4" id="x_518f441b-4bc1-45ca-b0aa-6a4f6600cb35" unitRef="pure"> 0.0346 </rr:AverageAnnualReturnSinceInception>
<rr:PerformanceTableNarrativeTextBlock contextRef="ClassZSharesMember_S000030688" id="e52311f8-73fe-4861-a80d-8c31742258ec">
<span style="color:#262626;font-family:Arial;font-size:9pt;">In the foregoing table, </span><span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span><span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNarrativeTextBlock>
<rr:PerformanceTableUsesHighestFederalRate contextRef="ClassZSharesMember_S000030688" id="x_4aa46139-52d9-4ff4-98e5-9e69383a2bc9">
<span style="color:#262626;font-family:Arial;font-size:9pt;">after-tax returns are calculated using the historical highest individual federal marginal income tax rates and </span><span style="color:#262626;font-family:Arial;font-size:9pt;">do not reflect the impact of state and local taxes.</span>
</rr:PerformanceTableUsesHighestFederalRate>
<rr:PerformanceTableNotRelevantToTaxDeferred contextRef="ClassZSharesMember_S000030688" id="ac601330-f217-48ea-91b1-68ea1ef68349">
<span style="color:#262626;font-family:Arial;font-size:9pt;">Actual after-tax returns depend on an investor’s tax situation and may differ from </span><span style="color:#262626;font-family:Arial;font-size:9pt;">those shown. The after-tax returns shown may not be relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
</rr:PerformanceTableNotRelevantToTaxDeferred>
<link:footnoteLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
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<link:footnote id="x_000012_0f4df78b-d705-4e03-8269-189a79d7c7bf" xlink:label="x_000012_0f4df78b-d705-4e03-8269-189a79d7c7bf" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $2 billion is .90%, for assets between $2 billion and $4 billion is .75%, for assets between $4 billion and $6 billion is .65%, for assets between $6 billion and $8 billion is .55%, and for assets in excess of $8 billion is .45%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">was .85%.</xhtml:span>
</link:footnote>
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<link:footnote id="x_00003f_0f4df78b-d705-4e03-8269-189a79d7c7bf" xlink:label="x_00003f_0f4df78b-d705-4e03-8269-189a79d7c7bf" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">Other Expenses includes .21% related to dividend expenses on short positions and interest expenses.</xhtml:span>
</link:footnote>
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<link:footnote id="x_00001b_18e53f9c-c8f5-462a-a328-9e08bb42e67a" xlink:label="x_00001b_18e53f9c-c8f5-462a-a328-9e08bb42e67a" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $1 billion is 1.20%, and for assets in excess of $1 billion is 1.00%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023 was 1.20%.</xhtml:span>
</link:footnote>
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<link:footnote id="x_00003o_18e53f9c-c8f5-462a-a328-9e08bb42e67a" xlink:label="x_00003o_18e53f9c-c8f5-462a-a328-9e08bb42e67a" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">Other Expenses includes short sale costs of .36% related to dividend expenses on short positions and excludes .42% related to interest income on short positions.</xhtml:span>
</link:footnote>
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<link:footnote id="x_000062_18e53f9c-c8f5-462a-a328-9e08bb42e67a" xlink:label="x_000062_18e53f9c-c8f5-462a-a328-9e08bb42e67a" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Manager has contractually agreed to waive and/or reimburse Fund expenses (excluding custody fees, acquired fund fees and expenses, interest, taxes, brokerage and extraordinary expenses, to the extent applicable) through </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;"> to the extent necessary to limit other expenses and any other </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">applicable share class-specific expenses of the Class Z Shares of the Fund to .55% of the class’s average daily net assets. This expense reimbursement may only be amended or terminated prior to its expiration date by agreement between the Manager and the Fund’s Board of Trustees, and will terminate automatically in the event of termination of the Investment Advisory Agreement. The Manager may recoup any fees waived or expenses reimbursed pursuant to the contract; however, the Fund will only make repayments to the Manager if such repayment does not cause the Fund’s expense ratio after the repayment is taken into account, to exceed both (i) the expense cap in place at the time such amounts were waived or reimbursed, and (ii) the Fund’s current expense cap. Such recoupment is limited to two years from the date the amount is initially waived or reimbursed.</xhtml:span>
</link:footnote>
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<link:loc xlink:href="#x_87e8921b-03c2-4e8d-921c-038607adc64b" xlink:label="x_87e8921b-03c2-4e8d-921c-038607adc64b" xlink:type="locator"/>
<link:footnote id="x_000013_9ef5c69a-576f-4bbe-9a1c-5cee9c34254a" xlink:label="x_000013_9ef5c69a-576f-4bbe-9a1c-5cee9c34254a" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $2 billion is .90%, for assets between $2 billion and $4 billion is .75%, for assets between $4 billion and $6 billion is .65%, for assets between $6 billion and $8 billion is .55%, and for assets in excess of $8 billion is .45%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">was .85%.</xhtml:span>
</link:footnote>
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<link:footnote id="x_00003g_9ef5c69a-576f-4bbe-9a1c-5cee9c34254a" xlink:label="x_00003g_9ef5c69a-576f-4bbe-9a1c-5cee9c34254a" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">Other Expenses includes .21% related to dividend expenses on short positions and interest expenses.</xhtml:span>
</link:footnote>
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<link:footnote id="x_00005u_9ef5c69a-576f-4bbe-9a1c-5cee9c34254a" xlink:label="x_00005u_9ef5c69a-576f-4bbe-9a1c-5cee9c34254a" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Manager has contractually agreed to waive and/or reimburse Fund expenses (excluding custody fees, acquired fund fees and expenses, interest, taxes, brokerage and extraordinary expenses, to the extent applicable) through </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;"> to the extent necessary to limit other expenses and any other </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">applicable share class-specific expenses of the Class Y Shares of the Fund to .28% of the class’s average daily net assets. This expense reimbursement may only be amended or terminated prior to its expiration date by agreement between the Manager and the Fund’s Board of Trustees, and will terminate automatically in the event of termination of the Investment Advisory Agreement. The Manager may recoup any fees waived or expenses reimbursed pursuant to the contract; however, the Fund will only make repayments to the Manager if such repayment does not cause the Fund’s expense ratio after the repayment is taken into account, to exceed both (i) the expense cap in place at the time such amounts were waived or reimbursed, and (ii) the Fund’s current expense cap. Such recoupment is limited to two years from the date the amount is initially waived or reimbursed.</xhtml:span>
</link:footnote>
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<link:footnote id="x_00001c_939fb253-311e-4615-9b00-cdfb44283e5b" xlink:label="x_00001c_939fb253-311e-4615-9b00-cdfb44283e5b" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">Purchases of $1 million or more of Class A Shares at net asset value may be subject to a contingent deferred sales charge of 1.00% on redemptions made within 12 months of purchase.</xhtml:span>
</link:footnote>
<link:footnoteArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="x_5a5cf7fe-351d-467e-ae65-82ff9f04a652" xlink:to="x_00001c_939fb253-311e-4615-9b00-cdfb44283e5b" xlink:type="arc"/>
<link:loc xlink:href="#x_4f2d00e2-12c4-444a-83c6-ce93cd821d27" xlink:label="x_4f2d00e2-12c4-444a-83c6-ce93cd821d27" xlink:type="locator"/>
<link:footnote id="x_00003p_939fb253-311e-4615-9b00-cdfb44283e5b" xlink:label="x_00003p_939fb253-311e-4615-9b00-cdfb44283e5b" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">Fred Alger Management, LLC (the “Manager”) has contractually agreed to waive and/or reimburse Fund expenses (excluding acquired fund fees and expenses, dividend expense on short sales, net borrowing costs, interest, taxes, brokerage and extraordinary expenses, to the extent applicable) through </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;"> to the extent necessary to limit other expenses and any other applicable share class-specific expenses of the Fund’s Class A Shares to </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">.80%, and the Class C Shares to 1.55%, of such class’s average daily net assets. This expense reimbursement may only be amended or terminated prior to its expiration date by agreement between the Manager and the Fund’s Board of Trustees, and will terminate automatically in the event of termination of the Investment Advisory Agreement. The Manager may recoup any fees waived or expenses reimbursed pursuant to the contract; however, the Fund will only make repayments to the Manager if such repayment does not cause the Fund’s expense ratio after the repayment is taken into account, to exceed both (i) the expense cap in place at the time such amounts were waived or reimbursed, and (ii) the Fund’s current expense cap. Such recoupment is limited to two years from the date the amount is initially waived or reimbursed.</xhtml:span>
</link:footnote>
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<link:loc xlink:href="#x_4ad6182e-e858-40a0-a16b-67d40f7e822c" xlink:label="x_4ad6182e-e858-40a0-a16b-67d40f7e822c" xlink:type="locator"/>
<link:footnote id="x_000019_4cb492c1-2f1b-409a-bc92-aee018766a0f" xlink:label="x_000019_4cb492c1-2f1b-409a-bc92-aee018766a0f" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">Purchases of $1 million or more of Class A Shares at net asset value may be subject to a contingent deferred sales charge of 1.00% on redemptions made within 12 months of purchase.</xhtml:span>
</link:footnote>
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<link:loc xlink:href="#x_26c615f8-b0f6-4592-ba82-ff70d2137311" xlink:label="x_26c615f8-b0f6-4592-ba82-ff70d2137311" xlink:type="locator"/>
<link:footnote id="x_00003m_4cb492c1-2f1b-409a-bc92-aee018766a0f" xlink:label="x_00003m_4cb492c1-2f1b-409a-bc92-aee018766a0f" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $1 billion is 1.20%, and for assets in excess of $1 billion is 1.00%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023 was 1.20%.</xhtml:span>
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<link:loc xlink:href="#x_6328b5cc-c2ad-44c7-b441-e6495df10a23" xlink:label="x_6328b5cc-c2ad-44c7-b441-e6495df10a23" xlink:type="locator"/>
<link:footnoteArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="x_6328b5cc-c2ad-44c7-b441-e6495df10a23" xlink:to="x_00003m_4cb492c1-2f1b-409a-bc92-aee018766a0f" xlink:type="arc"/>
<link:loc xlink:href="#x_5e67aac7-89d3-480d-b013-9a59bd9153a7" xlink:label="x_5e67aac7-89d3-480d-b013-9a59bd9153a7" xlink:type="locator"/>
<link:footnote id="x_000060_4cb492c1-2f1b-409a-bc92-aee018766a0f" xlink:label="x_000060_4cb492c1-2f1b-409a-bc92-aee018766a0f" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">Other Expenses incudes short sale costs of</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;line-height:8pt;"> </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">.36% related to dividend expenses on short positions and excludes .44% related to interest income on short positions for each of Class A Shares and Class C Shares.</xhtml:span>
</link:footnote>
<link:footnoteArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="x_5e67aac7-89d3-480d-b013-9a59bd9153a7" xlink:to="x_000060_4cb492c1-2f1b-409a-bc92-aee018766a0f" xlink:type="arc"/>
<link:loc xlink:href="#x_0d1bf295-e0c5-469a-adea-ec375e8462b7" xlink:label="x_0d1bf295-e0c5-469a-adea-ec375e8462b7" xlink:type="locator"/>
<link:footnoteArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="x_0d1bf295-e0c5-469a-adea-ec375e8462b7" xlink:to="x_000060_4cb492c1-2f1b-409a-bc92-aee018766a0f" xlink:type="arc"/>
<link:loc xlink:href="#x_6fd74ac1-6c7c-44e7-8942-ea21d4ab0e3f" xlink:label="x_6fd74ac1-6c7c-44e7-8942-ea21d4ab0e3f" xlink:type="locator"/>
<link:footnote id="x_00004r_4cb492c1-2f1b-409a-bc92-aee018766a0f" xlink:label="x_00004r_4cb492c1-2f1b-409a-bc92-aee018766a0f" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Manager has contractually agreed to waive and/or reimburse Fund expenses (excluding custody fees, acquired fund fees and expenses, interest, taxes, </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">brokerage and extraordinary expenses, to the extent applicable) through </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;"> to the extent necessary to limit other expenses and any other </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">applicable share class-specific expenses of the Fund’s Class A Shares to .80%, and the Class C Shares to 1.55%, of such class’s average daily net assets. This expense reimbursement may only be amended or terminated prior to its expiration date by agreement between the Manager and the Fund’s Board of Trustees, and will terminate automatically in the event of termination of the Investment Advisory Agreement. The Manager may recoup any fees waived or expenses reimbursed pursuant to the contract; however, the Fund will only make repayments to the Manager if such repayment does not cause the Fund’s expense ratio after the repayment is taken into account, to exceed both (i) the expense cap in place at the time such amounts were waived or reimbursed, and (ii) the Fund’s current expense cap. Such recoupment is limited to two years from the date the amount is initially waived or reimbursed.</xhtml:span>
</link:footnote>
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<link:footnote id="x_00001f_e6e5137c-ffe8-4927-a56f-fda40f66dab3" xlink:label="x_00001f_e6e5137c-ffe8-4927-a56f-fda40f66dab3" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">Fred Alger Management, LLC (the “Manager”) has contractually agreed to waive and/or reimburse Fund expenses (excluding acquired fund fees and expenses, dividend expense on short sales, net borrowing costs, interest, taxes, brokerage and extraordinary expenses, to the extent applicable) through </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;"> to the extent necessary to limit other expenses and any other applicable share class-specific expenses of the Class Z Shares of the Fund </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">to .24% of the class’s average daily net assets. This expense reimbursement may only be amended or terminated prior to its expiration date by agreement between the Manager and the Fund’s Board of Trustees, and will terminate automatically in the event of termination of the Investment Advisory Agreement. The Manager may recoup any fees waived or expenses reimbursed pursuant to the contract; however, the Fund will only make repayments to the Manager if such repayment does not cause the Fund’s expense ratio after the repayment is taken into account, to exceed both (i) the expense cap in place at the time such amounts were waived or reimbursed, and (ii) the Fund’s current expense cap. Such recoupment is limited to two years from the date the amount is initially waived or reimbursed.</xhtml:span>
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<link:footnote id="x_00001e_c001510b-1c6b-4c29-a40b-c961f0e5226e" xlink:label="x_00001e_c001510b-1c6b-4c29-a40b-c961f0e5226e" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">Fred Alger Management, LLC (the “Manager”) has contractually agreed to waive and/or reimburse Fund expenses (excluding acquired fund fees and expenses, dividend expense on short sales, net borrowing costs, interest, taxes, brokerage and extraordinary expenses, to the extent applicable) through </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;"> to the extent necessary to limit other expenses and any other applicable share class-specific expenses of the Class I Shares of the Fund </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">to .70% of the class’s average daily net assets. This expense reimbursement may only be amended or terminated prior to its expiration date by agreement between the Manager and the Fund’s Board of Trustees, and will terminate automatically in the event of termination of the Investment Advisory Agreement. The Manager may recoup any fees waived or expenses reimbursed pursuant to the contract; however, the Fund will only make repayments to the Manager if such repayment does not cause the Fund’s expense ratio after the repayment is taken into account, to exceed both (i) the expense cap in place at the time such amounts were waived or reimbursed, and (ii) the Fund’s current expense cap. Such recoupment is limited to two years from the date the amount is initially waived or reimbursed.</xhtml:span>
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<link:footnote id="x_000017_34e19ee1-5d43-4d16-8c35-54852fdbf658" xlink:label="x_000017_34e19ee1-5d43-4d16-8c35-54852fdbf658" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $1 billion is .71%, and for assets in excess of $1 billion is .65%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023 was .71%.</xhtml:span>
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<link:footnote id="x_00003k_34e19ee1-5d43-4d16-8c35-54852fdbf658" xlink:label="x_00003k_34e19ee1-5d43-4d16-8c35-54852fdbf658" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">“Total Annual Fund Operating Expenses” have been restated to reflect current fees.</xhtml:span>
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<link:footnote id="x_00005y_34e19ee1-5d43-4d16-8c35-54852fdbf658" xlink:label="x_00005y_34e19ee1-5d43-4d16-8c35-54852fdbf658" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Manager has contractually agreed to waive and/or reimburse Fund expenses (excluding custody fees, acquired fund fees and expenses, dividend expense on short sales, net borrowing costs, interest, taxes, brokerage and extraordinary expenses, to the extent applicable) through </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">October 31, 2025</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;"> to the extent necessary to limit other expenses and any other applicable share class-specific expenses of the Class I Shares of the Fund to .38% of the class’s average daily net assets. This expense reimbursement may only be amended or terminated prior to its expiration date by agreement between the Manager and the Fund’s Board of Trustees, and will terminate automatically in the event of termination of the Investment Advisory Agreement. The Manager may recoup any fees waived or expenses reimbursed pursuant to the contract; however, the Fund will only make repayments to the Manager if such repayment does not cause the Fund’s expense ratio after the repayment is taken into account, to exceed both (i) the expense cap in place at the time such amounts were waived or reimbursed, and (ii) the Fund’s current expense cap. Such recoupment is limited to two years from the date the amount is initially waived or reimbursed.</xhtml:span>
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<link:footnote id="x_000010_f978a7ad-a078-4c78-b863-91ecdc63368d" xlink:label="x_000010_f978a7ad-a078-4c78-b863-91ecdc63368d" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">Purchases of $1 million or more of Class A Shares at net asset value may be subject to a contingent deferred sales charge of 1.00% on redemptions made within 12 months of purchase.</xhtml:span>
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<link:footnote id="x_00003d_f978a7ad-a078-4c78-b863-91ecdc63368d" xlink:label="x_00003d_f978a7ad-a078-4c78-b863-91ecdc63368d" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $2 billion is .90%, for assets between $2 billion and $4 billion is .75%, for assets between $4 billion and $6 billion is .65%, for assets between $6 billion and $8 billion is .55%, and for assets in excess of $8 billion is .45%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">was .85%.</xhtml:span>
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<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">Other Expenses includes dividend expenses on short positions and interest expenses of .22% for Class A Shares and .21% for Class C Shares.</xhtml:span>
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<link:footnote id="x_000018_69974e5e-d249-4235-b5f7-b5a620ee207f" xlink:label="x_000018_69974e5e-d249-4235-b5f7-b5a620ee207f" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $1 billion is .71%, and for assets in excess of $1 billion is .65%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023 was .71%.</xhtml:span>
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<link:footnote id="x_00003l_69974e5e-d249-4235-b5f7-b5a620ee207f" xlink:label="x_00003l_69974e5e-d249-4235-b5f7-b5a620ee207f" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Manager has contractually agreed to waive and/or reimburse Fund expenses (excluding custody fees, acquired fund fees and expenses, dividend expense on short sales, net borrowing costs, interest, taxes, brokerage and extraordinary expenses, to the extent applicable) through </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;"> to </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">the extent necessary to limit other expenses and any other applicable share class-specific expenses of the Class Z Shares of the Fund to .24% of the class’s average daily net assets. This expense reimbursement may only be amended or terminated prior to its expiration date by agreement between the Manager and the Fund’s Board of Trustees, and will terminate automatically in the event of termination of the Investment Advisory Agreement. The Manager may recoup any fees waived or expenses reimbursed pursuant to the contract; however, the Fund will only make repayments to the Manager if such repayment does not cause the Fund’s expense ratio after the repayment is taken into account, to exceed both (i) the expense cap in place at the time such amounts were waived or reimbursed, and (ii) the Fund’s current expense cap. Such recoupment is limited to two years from the date the amount is initially waived or reimbursed.</xhtml:span>
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<link:footnote id="x_000015_14b3c1e7-e49c-4e3c-b2b0-3b562a53ee15" xlink:label="x_000015_14b3c1e7-e49c-4e3c-b2b0-3b562a53ee15" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">Purchases of $1 million or more of Class A Shares at net asset value may be subject to a contingent deferred sales charge of 1.00% on redemptions made within 12 months of purchase.</xhtml:span>
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<link:footnote id="x_00003i_14b3c1e7-e49c-4e3c-b2b0-3b562a53ee15" xlink:label="x_00003i_14b3c1e7-e49c-4e3c-b2b0-3b562a53ee15" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $1 billion is .71%, and for assets in excess of $1 billion is .65%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023 was .71%.</xhtml:span>
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<link:footnote id="x_00005w_14b3c1e7-e49c-4e3c-b2b0-3b562a53ee15" xlink:label="x_00005w_14b3c1e7-e49c-4e3c-b2b0-3b562a53ee15" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">“Total Annual Fund Operating Expenses” have been restated to reflect current fees.</xhtml:span>
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<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Manager has contractually agreed to waive and/or reimburse Fund expenses (excluding custody fees, acquired fund fees and expenses, dividend </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">expense on short sales, net borrowing costs, interest, taxes, brokerage and extraordinary expenses, to the extent applicable) through </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">October 31, 2025</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;"> to the extent necessary to limit other expenses and any other applicable share class-specific expenses of the Class A Shares of the Fund to .38% of the class’s average daily net assets. This expense reimbursement may only be amended or terminated prior to its expiration date by agreement between the Manager and the Fund’s Board of Trustees, and will terminate automatically in the event of termination of the Investment Advisory Agreement. The Manager may recoup any fees waived or expenses reimbursed pursuant to the contract; however, the Fund will only make repayments to the Manager if such repayment does not cause the Fund’s expense ratio after the repayment is taken into account, to exceed both (i) the expense cap in place at the time such amounts were waived or reimbursed, and (ii) the Fund’s current expense cap. Such recoupment is limited to two years from the date the amount is initially waived or reimbursed.</xhtml:span>
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<link:footnote id="x_000014_d873170e-a9ce-496e-bc5c-b4401165fb68" xlink:label="x_000014_d873170e-a9ce-496e-bc5c-b4401165fb68" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Fund and Fred Alger Management, LLC (the “Manager”) have adopted fee breakpoints for the Fund. The advisory fee for assets up to $2 billion is .90%, for assets between $2 billion and $4 billion is .75%, for assets between $4 billion and $6 billion is .65%, for assets between $6 billion and $8 billion is .55%, and for assets in excess of $8 billion is .45%. The actual rate paid as a percentage of average daily net assets for the year ended October 31, 2023</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">was .85%.</xhtml:span>
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<link:footnote id="x_00003h_d873170e-a9ce-496e-bc5c-b4401165fb68" xlink:label="x_00003h_d873170e-a9ce-496e-bc5c-b4401165fb68" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">Other Expenses includes .21% related to dividend expenses on short positions and interest expenses.</xhtml:span>
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<link:footnote id="x_00005v_d873170e-a9ce-496e-bc5c-b4401165fb68" xlink:label="x_00005v_d873170e-a9ce-496e-bc5c-b4401165fb68" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">
<xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">The Manager has contractually agreed to waive and/or reimburse Fund expenses (excluding custody fees, acquired fund fees and expenses, interest, taxes, brokerage and extraordinary expenses, to the extent applicable) through </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">October 31</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">, 2025</xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;"> to the extent necessary to limit other expenses and any other </xhtml:span><xhtml:span style="color:#262626;font-family:Arial;font-size:8pt;">applicable share class-specific expenses of the Class Z Shares of the Fund to .34% of the class’s average daily net assets. This expense reimbursement may only be amended or terminated prior to its expiration date by agreement between the Manager and the Fund’s Board of Trustees, and will terminate automatically in the event of termination of the Investment Advisory Agreement. The Manager may recoup any fees waived or expenses reimbursed pursuant to the contract; however, the Fund will only make repayments to the Manager if such repayment does not cause the Fund’s expense ratio after the repayment is taken into account, to exceed both (i) the expense cap in place at the time such amounts were waived or reimbursed, and (ii) the Fund’s current expense cap. Such recoupment is limited to two years from the date the amount is initially waived or reimbursed.</xhtml:span>
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13 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

12/28/23  Alger Funds II                    N-CSR      10/31/23    4:3M                                     Broadridge Fin’l So… Inc
 2/27/23  Alger Funds II                    485BPOS     2/28/23   29:11M                                    Donnelley … Solutions/FA
 2/25/22  Alger Funds II                    485BPOS     2/28/22   32:10M                                    Donnelley … Solutions/FA
 2/26/21  Alger Funds II                    485BPOS     2/28/21  114:15M                                    Donnelley … Solutions/FA
 2/28/20  Alger Funds II                    485BPOS     2/28/20   23:4.2M                                   Donnelley … Solutions/FA
 2/23/18  Alger Funds II                    485BPOS     2/28/18    5:4.4M                                   Toppan Merrill/FA
 3/01/17  Alger Funds II                    485APOS¶               4:2.8M                                   Toppan Merrill/FA
 2/21/17  Alger Funds II                    485BPOS     2/28/17    6:11M                                    Toppan Merrill/FA
10/23/15  Alger Funds II                    485APOS10/22/15    5:1.8M                                   Toppan Merrill/FA
 2/22/13  Alger Funds II                    485BPOS     2/28/13    5:3.8M                                   Toppan Merrill/FA
 2/22/12  Alger Funds II                    485BPOS     2/28/12   17:4.3M                                   Toppan Merrill/FA
 8/03/09  Alger Funds II                    485BPOS9/02/09    6:1.4M                                   Toppan Merrill/FA
 2/18/05  Alger Funds II                    485BPOS     2/18/05    7:425K                                   Command Financial
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