SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

China United Insurance Service, Inc. – ‘10-K’ for 12/31/18 – ‘XML’

On:  Monday, 4/1/19, at 1:52pm ET   ·   For:  12/31/18   ·   Accession #:  1144204-19-17322   ·   File #:  0-54884

Previous ‘10-K’:  ‘10-K/A’ on 1/24/19 for 12/31/17   ·   Next:  ‘10-K/A’ on 4/30/19 for 12/31/18   ·   Latest:  ‘10-K’ on 3/30/23 for 12/31/22   ·   3 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

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

 4/01/19  China United Ins Service, Inc.    10-K       12/31/18  124:14M                                    Toppan Merrill/FA

Annual Report   —   Form 10-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML    812K 
 2: EX-10.76    Material Contract                                   HTML     40K 
 3: EX-10.77    Material Contract                                   HTML     45K 
 4: EX-10.78    Material Contract                                   HTML     39K 
 5: EX-10.79    Material Contract                                   HTML     33K 
 6: EX-10.80    Material Contract                                   HTML     47K 
 7: EX-10.81    Material Contract                                   HTML     33K 
 8: EX-21       Subsidiaries List                                   HTML     31K 
 9: EX-31.1     Certification -- §302 - SOA'02                      HTML     35K 
10: EX-31.2     Certification -- §302 - SOA'02                      HTML     35K 
11: EX-32.1     Certification -- §906 - SOA'02                      HTML     32K 
12: EX-32.2     Certification -- §906 - SOA'02                      HTML     32K 
19: R1          Document and Entity Information                     HTML     66K 
20: R2          Consolidated Balance Sheets                         HTML    141K 
21: R3          Consolidated Balance Sheets [Parenthetical]         HTML     48K 
22: R4          Consolidated Statements of Operations and Other     HTML    125K 
                Comprehensive Income / (Loss)                                    
23: R5          Consolidated Statements of Changes in               HTML     55K 
                Stockholders' Equity                                             
24: R6          Consolidated Statements of Cash Flows               HTML    141K 
25: R7          Organization and Principal Activities               HTML     44K 
26: R8          Summary of Significant Accounting Policies          HTML    409K 
27: R9          Cash, Cash Equivalents and Restricted Cash and      HTML     83K 
                Cash Equivalents                                                 
28: R10         Time Deposits and Structured Deposits               HTML     67K 
29: R11         Other Current Assets                                HTML     76K 
30: R12         Property, Plant and Equipment, Net                  HTML     77K 
31: R13         Intangible Assets, Net                              HTML     76K 
32: R14         Long-Term Investments                               HTML    127K 
33: R15         Other Assets                                        HTML     61K 
34: R16         Short-Term Loans                                    HTML     86K 
35: R17         Income Tax Payable                                  HTML     68K 
36: R18         Commissions Payable to Sales Professionals          HTML     58K 
37: R19         Other Current Liabilities                           HTML     68K 
38: R20         Long-Term Loans                                     HTML     67K 
39: R21         Other Liabilities                                   HTML    187K 
40: R22         Preferred Stock                                     HTML     67K 
41: R23         Statutory Reserves                                  HTML     35K 
42: R24         Noncontrolling Interests                            HTML    204K 
43: R25         Income Tax                                          HTML    205K 
44: R26         Related Party Transactions                          HTML     86K 
45: R27         Commitments and Contingencies                       HTML     57K 
46: R28         Financial Risk Management and Fair Value of         HTML    246K 
                Financial Instruments                                            
47: R29         Segment Reporting                                   HTML     90K 
48: R30         Subsequent Events                                   HTML     37K 
49: R31         Summary of Significant Accounting Policies          HTML    488K 
                (Policies)                                                       
50: R32         Summary of Significant Accounting Policies          HTML    286K 
                (Tables)                                                         
51: R33         Cash, Cash Equivalents and Restricted Cash and      HTML     78K 
                Cash Equivalents (Tables)                                        
52: R34         Time Deposits and Structured Deposits (Tables)      HTML     57K 
53: R35         Other Current Assets (Tables)                       HTML     73K 
54: R36         Property, Plant and Equipment, Net (Tables)         HTML     76K 
55: R37         Intangible Assets, Net (Tables)                     HTML     77K 
56: R38         Long-Term Investments (Tables)                      HTML    126K 
57: R39         Other Assets (Tables)                               HTML     57K 
58: R40         Short-Term Loans (Tables)                           HTML     67K 
59: R41         Income Tax Payable (Tables)                         HTML     67K 
60: R42         Commissions Payable to Sales Professionals          HTML     56K 
                (Tables)                                                         
61: R43         Other Current Liabilities (Tables)                  HTML     66K 
62: R44         Long-Term Loans (Tables)                            HTML     66K 
63: R45         Other Liabilities (Tables)                          HTML    171K 
64: R46         Noncontrolling Interests (Tables)                   HTML    202K 
65: R47         Income Tax (Tables)                                 HTML    194K 
66: R48         Related Party Transactions (Tables)                 HTML     70K 
67: R49         Commitments and Contingencies (Tables)              HTML     52K 
68: R50         Financial Risk Management and Fair Value of         HTML    234K 
                Financial Instruments (Tables)                                   
69: R51         Segment Reporting (Tables)                          HTML     89K 
70: R52         Organization and Principal Activities (Details      HTML     42K 
                Textual)                                                         
71: R53         Summary of Significant Accounting Policies          HTML     40K 
                (Details)                                                        
72: R54         Summary of Significant Accounting Policies          HTML     58K 
                (Details 1)                                                      
73: R55         Summary of Significant Accounting Policies          HTML     43K 
                (Details 2)                                                      
74: R56         Summary of Significant Accounting Policies          HTML     45K 
                (Details 3)                                                      
75: R57         Summary of Significant Accounting Policies          HTML     50K 
                (Details 4)                                                      
76: R58         Summary of Significant Accounting Policies          HTML     85K 
                (Details Textual)                                                
77: R59         Cash, Cash Equivalents and Restricted Cash and      HTML     59K 
                Cash Equivalents (Details)                                       
78: R60         Cash, Cash Equivalents and Restricted Cash and      HTML     48K 
                Cash Equivalents (Details Textual)                               
79: R61         Time Deposits and Structured Deposits (Details)     HTML     39K 
80: R62         Time Deposits and Structured Deposits (Details      HTML     57K 
                Textual)                                                         
81: R63         Other Current Assets (Details)                      HTML     56K 
82: R64         Other Current Assets (Details Textual)              HTML     51K 
83: R65         Property, Plant and Equipment, Net (Details)        HTML     51K 
84: R66         Property, Plant and Equipment, Net (Details         HTML     33K 
                Textual)                                                         
85: R67         Intangible Assets, Net (Details)                    HTML     38K 
86: R68         Intangible Assets, Net (Details 1)                  HTML     46K 
87: R69         Intangible Assets, Net (Details Textual)            HTML     34K 
88: R70         Long-Term Investments (Details)                     HTML     39K 
89: R71         Long-Term Investments (Details 1)                   HTML     37K 
90: R72         Long-Term Investments (Details 2)                   HTML     40K 
91: R73         Long-Term Investments (Details Textual)             HTML     38K 
92: R74         Other Assets (Details)                              HTML     49K 
93: R75         Other Assets (Details Textual)                      HTML     42K 
94: R76         Short-Term Loans (Details)                          HTML     48K 
95: R77         Short-Term Loans (Details Textual)                  HTML    203K 
96: R78         Income Tax Payable (Details)                        HTML     48K 
97: R79         Commissions Payable to Sales Professionals          HTML     37K 
                (Details)                                                        
98: R80         Commissions Payable to Sales Professionals          HTML     34K 
                (Details Textual)                                                
99: R81         Other Current Liabilities (Details)                 HTML     49K 
100: R82         Long-Term Loans (Details)                           HTML     40K  
101: R83         Long-Term Loans (Details Textual)                   HTML     51K  
102: R84         Other Liabilities (Details)                         HTML     44K  
103: R85         Other Liabilities (Details 1)                       HTML     91K  
104: R86         Other Liabilities (Details Textual)                 HTML    114K  
105: R87         Preferred Stock (Details Textual)                   HTML     47K  
106: R88         Statutory Reserves (Details Textual)                HTML     40K  
107: R89         Noncontrolling Interests (Details)                  HTML     63K  
108: R90         Income Tax (Details)                                HTML     46K  
109: R91         Income Tax (Details 1)                              HTML     50K  
110: R92         Income Tax (Details 2)                              HTML     59K  
111: R93         Income Tax (Details Textual)                        HTML     78K  
112: R94         Related Party Transactions (Details)                HTML     49K  
113: R95         Related Party Transactions (Details Textual)        HTML     78K  
114: R96         Commitments and Contingencies (Details)             HTML     46K  
115: R97         Commitments and Contingencies (Details Textual)     HTML     33K  
116: R98         Financial Risk Management and Fair Value of         HTML     74K  
                Financial Instruments (Details)                                  
117: R99         Financial Risk Management and Fair Value of         HTML     46K  
                Financial Instruments (Details 1)                                
118: R100        Financial Risk Management and Fair Value of         HTML     33K  
                Financial Instruments (Details Textual)                          
119: R101        Segment Reporting (Details)                         HTML     58K  
120: R102        Segment Reporting (Details 1)                       HTML     53K  
121: R103        Subsequent Events (Details Textual)                 HTML     44K  
123: XML         IDEA XML File -- Filing Summary                      XML    225K  
122: EXCEL       IDEA Workbook of Financial Reports                  XLSX    133K  
13: EX-101.INS  XBRL Instance -- cuii-20181231                       XML   5.16M 
15: EX-101.CAL  XBRL Calculations -- cuii-20181231_cal               XML    204K 
16: EX-101.DEF  XBRL Definitions -- cuii-20181231_def                XML   1.11M 
17: EX-101.LAB  XBRL Labels -- cuii-20181231_lab                     XML   1.29M 
18: EX-101.PRE  XBRL Presentations -- cuii-20181231_pre              XML   1.30M 
14: EX-101.SCH  XBRL Schema -- cuii-20181231                         XSD    279K 
124: ZIP         XBRL Zipped Folder -- 0001144204-19-017322-xbrl      Zip    337K  


‘XML’   —   IDEA XML File — Filing Summary


This Document is an IDEA XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<FilingSummary>
<Version> 3.19.1 </Version>
<ProcessingTime/>
<ReportFormat> html </ReportFormat>
<ContextCount> 329 </ContextCount>
<ElementCount> 382 </ElementCount>
<EntityCount> 1 </EntityCount>
<FootnotesReported> true </FootnotesReported>
<SegmentCount> 121 </SegmentCount>
<ScenarioCount> 0 </ScenarioCount>
<TuplesReported> false </TuplesReported>
<UnitCount> 8 </UnitCount>
<MyReports>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R1.htm </HtmlFileName>
<LongName> 1001 - Document - Document and Entity Information </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/DocumentAndEntityInformation </Role>
<ShortName> Document and Entity Information </ShortName>
<MenuCategory> Cover </MenuCategory>
<Position> 1 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R2.htm </HtmlFileName>
<LongName> 1002 - Statement - CONSOLIDATED BALANCE SHEETS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/ConsolidatedBalanceSheets </Role>
<ShortName> CONSOLIDATED BALANCE SHEETS </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 2 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R3.htm </HtmlFileName>
<LongName> 1003 - Statement - CONSOLIDATED BALANCE SHEETS [PARENTHETICAL] </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/ConsolidatedBalanceSheetsParenthetical </Role>
<ShortName> CONSOLIDATED BALANCE SHEETS [PARENTHETICAL] </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 3 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R4.htm </HtmlFileName>
<LongName> 1004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS AND OTHER COMPREHENSIVE INCOME / (LOSS) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/ConsolidatedStatementsOfOperationsAndOtherComprehensiveIncomeLoss </Role>
<ShortName> CONSOLIDATED STATEMENTS OF OPERATIONS AND OTHER COMPREHENSIVE INCOME / (LOSS) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 4 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R5.htm </HtmlFileName>
<LongName> 1005 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity </Role>
<ShortName> CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 5 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R6.htm </HtmlFileName>
<LongName> 1006 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/ConsolidatedStatementsOfCashFlows </Role>
<ShortName> CONSOLIDATED STATEMENTS OF CASH FLOWS </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 6 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R7.htm </HtmlFileName>
<LongName> 1007 - Disclosure - ORGANIZATION AND PRINCIPAL ACTIVITIES </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OrganizationAndPrincipalActivities </Role>
<ShortName> ORGANIZATION AND PRINCIPAL ACTIVITIES </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 7 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R8.htm </HtmlFileName>
<LongName> 1008 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPolicies </Role>
<ShortName> SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 8 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R9.htm </HtmlFileName>
<LongName> 1009 - Disclosure - CASH, CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/CashCashEquivalentsAndRestrictedCashAndCashEquivalents </Role>
<ShortName> CASH, CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 9 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R10.htm </HtmlFileName>
<LongName> 1010 - Disclosure - TIME DEPOSITS AND STRUCTURED DEPOSITS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/TimeDepositsAndStructuredDeposits </Role>
<ShortName> TIME DEPOSITS AND STRUCTURED DEPOSITS </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 10 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R11.htm </HtmlFileName>
<LongName> 1011 - Disclosure - OTHER CURRENT ASSETS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherCurrentAssets </Role>
<ShortName> OTHER CURRENT ASSETS </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 11 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R12.htm </HtmlFileName>
<LongName> 1012 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/PropertyPlantAndEquipmentNet </Role>
<ShortName> PROPERTY, PLANT AND EQUIPMENT, NET </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 12 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R13.htm </HtmlFileName>
<LongName> 1013 - Disclosure - INTANGIBLE ASSETS, NET </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/IntangibleAssetsNet </Role>
<ShortName> INTANGIBLE ASSETS, NET </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 13 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R14.htm </HtmlFileName>
<LongName> 1014 - Disclosure - LONG-TERM INVESTMENTS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/LongTermInvestments </Role>
<ShortName> LONG-TERM INVESTMENTS </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 14 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R15.htm </HtmlFileName>
<LongName> 1015 - Disclosure - OTHER ASSETS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherAssets </Role>
<ShortName> OTHER ASSETS </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 15 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R16.htm </HtmlFileName>
<LongName> 1016 - Disclosure - SHORT-TERM LOANS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/ShortTermLoans </Role>
<ShortName> SHORT-TERM LOANS </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 16 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R17.htm </HtmlFileName>
<LongName> 1017 - Disclosure - INCOME TAX PAYABLE </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/IncomeTaxPayable </Role>
<ShortName> INCOME TAX PAYABLE </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 17 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R18.htm </HtmlFileName>
<LongName> 1018 - Disclosure - COMMISSIONS PAYABLE TO SALES PROFESSIONALS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/CommissionsPayableToSalesProfessionals </Role>
<ShortName> COMMISSIONS PAYABLE TO SALES PROFESSIONALS </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 18 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R19.htm </HtmlFileName>
<LongName> 1019 - Disclosure - OTHER CURRENT LIABILITIES </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherCurrentLiabilities </Role>
<ShortName> OTHER CURRENT LIABILITIES </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 19 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R20.htm </HtmlFileName>
<LongName> 1020 - Disclosure - LONG-TERM LOANS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/LongTermLoans </Role>
<ShortName> LONG-TERM LOANS </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 20 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R21.htm </HtmlFileName>
<LongName> 1021 - Disclosure - OTHER LIABILITIES </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherLiabilities </Role>
<ShortName> OTHER LIABILITIES </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 21 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R22.htm </HtmlFileName>
<LongName> 1022 - Disclosure - PREFERRED STOCK </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/PreferredStock </Role>
<ShortName> PREFERRED STOCK </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 22 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R23.htm </HtmlFileName>
<LongName> 1023 - Disclosure - STATUTORY RESERVES </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/StatutoryReserves </Role>
<ShortName> STATUTORY RESERVES </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 23 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R24.htm </HtmlFileName>
<LongName> 1024 - Disclosure - NONCONTROLLING INTERESTS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/NoncontrollingInterests </Role>
<ShortName> NONCONTROLLING INTERESTS </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 24 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R25.htm </HtmlFileName>
<LongName> 1025 - Disclosure - INCOME TAX </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/IncomeTax </Role>
<ShortName> INCOME TAX </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 25 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R26.htm </HtmlFileName>
<LongName> 1026 - Disclosure - RELATED PARTY TRANSACTIONS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/RelatedPartyTransactions </Role>
<ShortName> RELATED PARTY TRANSACTIONS </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 26 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R27.htm </HtmlFileName>
<LongName> 1027 - Disclosure - COMMITMENTS AND CONTINGENCIES </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/CommitmentsAndContingencies </Role>
<ShortName> COMMITMENTS AND CONTINGENCIES </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 27 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R28.htm </HtmlFileName>
<LongName> 1028 - Disclosure - FINANCIAL RISK MANAGEMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/FinancialRiskManagementAndFairValueOfFinancialInstruments </Role>
<ShortName> FINANCIAL RISK MANAGEMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 28 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R29.htm </HtmlFileName>
<LongName> 1029 - Disclosure - SEGMENT REPORTING </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SegmentReporting </Role>
<ShortName> SEGMENT REPORTING </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 29 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R30.htm </HtmlFileName>
<LongName> 1030 - Disclosure - SUBSEQUENT EVENTS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SubsequentEvents </Role>
<ShortName> SUBSEQUENT EVENTS </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 30 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R31.htm </HtmlFileName>
<LongName> 1031 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPoliciesPolicies </Role>
<ShortName> SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) </ShortName>
<MenuCategory> Policies </MenuCategory>
<Position> 31 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R32.htm </HtmlFileName>
<LongName> 1032 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPoliciesTables </Role>
<ShortName> SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPolicies </ParentRole>
<Position> 32 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R33.htm </HtmlFileName>
<LongName> 1033 - Disclosure - CASH, CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/CashCashEquivalentsAndRestrictedCashAndCashEquivalentsTables </Role>
<ShortName> CASH, CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/CashCashEquivalentsAndRestrictedCashAndCashEquivalents </ParentRole>
<Position> 33 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R34.htm </HtmlFileName>
<LongName> 1034 - Disclosure - TIME DEPOSITS AND STRUCTURED DEPOSITS (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/TimeDepositsAndStructuredDepositsTables </Role>
<ShortName> TIME DEPOSITS AND STRUCTURED DEPOSITS (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/TimeDepositsAndStructuredDeposits </ParentRole>
<Position> 34 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R35.htm </HtmlFileName>
<LongName> 1035 - Disclosure - OTHER CURRENT ASSETS (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherCurrentAssetsTables </Role>
<ShortName> OTHER CURRENT ASSETS (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/OtherCurrentAssets </ParentRole>
<Position> 35 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R36.htm </HtmlFileName>
<LongName> 1036 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/PropertyPlantAndEquipmentNetTables </Role>
<ShortName> PROPERTY, PLANT AND EQUIPMENT, NET (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/PropertyPlantAndEquipmentNet </ParentRole>
<Position> 36 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R37.htm </HtmlFileName>
<LongName> 1037 - Disclosure - INTANGIBLE ASSETS, NET (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/IntangibleAssetsNetTables </Role>
<ShortName> INTANGIBLE ASSETS, NET (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/IntangibleAssetsNet </ParentRole>
<Position> 37 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R38.htm </HtmlFileName>
<LongName> 1038 - Disclosure - LONG-TERM INVESTMENTS (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/LongTermInvestmentsTables </Role>
<ShortName> LONG-TERM INVESTMENTS (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/LongTermInvestments </ParentRole>
<Position> 38 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R39.htm </HtmlFileName>
<LongName> 1039 - Disclosure - OTHER ASSETS (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherAssetsTables </Role>
<ShortName> OTHER ASSETS (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/OtherAssets </ParentRole>
<Position> 39 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R40.htm </HtmlFileName>
<LongName> 1040 - Disclosure - SHORT-TERM LOANS (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/ShortTermLoansTables </Role>
<ShortName> SHORT-TERM LOANS (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/ShortTermLoans </ParentRole>
<Position> 40 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R41.htm </HtmlFileName>
<LongName> 1041 - Disclosure - INCOME TAX PAYABLE (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/IncomeTaxPayableTables </Role>
<ShortName> INCOME TAX PAYABLE (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/IncomeTaxPayable </ParentRole>
<Position> 41 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R42.htm </HtmlFileName>
<LongName> 1042 - Disclosure - COMMISSIONS PAYABLE TO SALES PROFESSIONALS (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/CommissionsPayableToSalesProfessionalsTables </Role>
<ShortName> COMMISSIONS PAYABLE TO SALES PROFESSIONALS (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/CommissionsPayableToSalesProfessionals </ParentRole>
<Position> 42 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R43.htm </HtmlFileName>
<LongName> 1043 - Disclosure - OTHER CURRENT LIABILITIES (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherCurrentLiabilitiesTables </Role>
<ShortName> OTHER CURRENT LIABILITIES (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/OtherCurrentLiabilities </ParentRole>
<Position> 43 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R44.htm </HtmlFileName>
<LongName> 1044 - Disclosure - LONG-TERM LOANS (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/LongTermLoansTables </Role>
<ShortName> LONG-TERM LOANS (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/LongTermLoans </ParentRole>
<Position> 44 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R45.htm </HtmlFileName>
<LongName> 1045 - Disclosure - OTHER LIABILITIES (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherLiabilitiesTables </Role>
<ShortName> OTHER LIABILITIES (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/OtherLiabilities </ParentRole>
<Position> 45 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R46.htm </HtmlFileName>
<LongName> 1046 - Disclosure - NONCONTROLLING INTERESTS (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/NoncontrollingInterestsTables </Role>
<ShortName> NONCONTROLLING INTERESTS (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/NoncontrollingInterests </ParentRole>
<Position> 46 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R47.htm </HtmlFileName>
<LongName> 1047 - Disclosure - INCOME TAX (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/IncomeTaxTables </Role>
<ShortName> INCOME TAX (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/IncomeTaxPayable </ParentRole>
<Position> 47 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R48.htm </HtmlFileName>
<LongName> 1048 - Disclosure - RELATED PARTY TRANSACTIONS (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/RelatedPartyTransactionsTables </Role>
<ShortName> RELATED PARTY TRANSACTIONS (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/RelatedPartyTransactions </ParentRole>
<Position> 48 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R49.htm </HtmlFileName>
<LongName> 1049 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/CommitmentsAndContingenciesTables </Role>
<ShortName> COMMITMENTS AND CONTINGENCIES (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/CommitmentsAndContingencies </ParentRole>
<Position> 49 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R50.htm </HtmlFileName>
<LongName> 1050 - Disclosure - FINANCIAL RISK MANAGEMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/FinancialRiskManagementAndFairValueOfFinancialInstrumentsTables </Role>
<ShortName> FINANCIAL RISK MANAGEMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/FinancialRiskManagementAndFairValueOfFinancialInstruments </ParentRole>
<Position> 50 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R51.htm </HtmlFileName>
<LongName> 1051 - Disclosure - SEGMENT REPORTING (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SegmentReportingTables </Role>
<ShortName> SEGMENT REPORTING (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/SegmentReporting </ParentRole>
<Position> 51 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R52.htm </HtmlFileName>
<LongName> 1052 - Disclosure - ORGANIZATION AND PRINCIPAL ACTIVITIES (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OrganizationAndPrincipalActivitiesDetailsTextual </Role>
<ShortName> ORGANIZATION AND PRINCIPAL ACTIVITIES (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/OrganizationAndPrincipalActivities </ParentRole>
<Position> 52 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R53.htm </HtmlFileName>
<LongName> 1053 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPoliciesDetails </Role>
<ShortName> SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPoliciesTables </ParentRole>
<Position> 53 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R54.htm </HtmlFileName>
<LongName> 1054 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 1) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPoliciesDetails1 </Role>
<ShortName> SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 1) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPoliciesTables </ParentRole>
<Position> 54 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R55.htm </HtmlFileName>
<LongName> 1055 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPoliciesDetails2 </Role>
<ShortName> SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPoliciesTables </ParentRole>
<Position> 55 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R56.htm </HtmlFileName>
<LongName> 1056 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPoliciesDetails3 </Role>
<ShortName> SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPoliciesTables </ParentRole>
<Position> 56 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R57.htm </HtmlFileName>
<LongName> 1057 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 4) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPoliciesDetails4 </Role>
<ShortName> SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 4) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPoliciesTables </ParentRole>
<Position> 57 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R58.htm </HtmlFileName>
<LongName> 1058 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPoliciesDetailsTextual </Role>
<ShortName> SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/SummaryOfSignificantAccountingPoliciesTables </ParentRole>
<Position> 58 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R59.htm </HtmlFileName>
<LongName> 1059 - Disclosure - CASH, CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/CashCashEquivalentsAndRestrictedCashAndCashEquivalentsDetails </Role>
<ShortName> CASH, CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/CashCashEquivalentsAndRestrictedCashAndCashEquivalentsTables </ParentRole>
<Position> 59 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R60.htm </HtmlFileName>
<LongName> 1060 - Disclosure - CASH, CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/CashCashEquivalentsAndRestrictedCashAndCashEquivalentsDetailsTextual </Role>
<ShortName> CASH, CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/CashCashEquivalentsAndRestrictedCashAndCashEquivalentsTables </ParentRole>
<Position> 60 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R61.htm </HtmlFileName>
<LongName> 1061 - Disclosure - TIME DEPOSITS AND STRUCTURED DEPOSITS (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/TimeDepositsAndStructuredDepositsDetails </Role>
<ShortName> TIME DEPOSITS AND STRUCTURED DEPOSITS (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/TimeDepositsAndStructuredDepositsTables </ParentRole>
<Position> 61 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R62.htm </HtmlFileName>
<LongName> 1062 - Disclosure - TIME DEPOSITS AND STRUCTURED DEPOSITS (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/TimeDepositsAndStructuredDepositsDetailsTextual </Role>
<ShortName> TIME DEPOSITS AND STRUCTURED DEPOSITS (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/TimeDepositsAndStructuredDepositsTables </ParentRole>
<Position> 62 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R63.htm </HtmlFileName>
<LongName> 1063 - Disclosure - OTHER CURRENT ASSETS (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherCurrentAssetsDetails </Role>
<ShortName> OTHER CURRENT ASSETS (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/OtherCurrentAssetsTables </ParentRole>
<Position> 63 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R64.htm </HtmlFileName>
<LongName> 1064 - Disclosure - OTHER CURRENT ASSETS (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherCurrentAssetsDetailsTextual </Role>
<ShortName> OTHER CURRENT ASSETS (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/OtherCurrentAssetsTables </ParentRole>
<Position> 64 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R65.htm </HtmlFileName>
<LongName> 1065 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/PropertyPlantAndEquipmentNetDetails </Role>
<ShortName> PROPERTY, PLANT AND EQUIPMENT, NET (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/PropertyPlantAndEquipmentNetTables </ParentRole>
<Position> 65 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R66.htm </HtmlFileName>
<LongName> 1066 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/PropertyPlantAndEquipmentNetDetailsTextual </Role>
<ShortName> PROPERTY, PLANT AND EQUIPMENT, NET (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/PropertyPlantAndEquipmentNetTables </ParentRole>
<Position> 66 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R67.htm </HtmlFileName>
<LongName> 1067 - Disclosure - INTANGIBLE ASSETS, NET (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/IntangibleAssetsNetDetails </Role>
<ShortName> INTANGIBLE ASSETS, NET (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/IntangibleAssetsNetTables </ParentRole>
<Position> 67 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R68.htm </HtmlFileName>
<LongName> 1068 - Disclosure - INTANGIBLE ASSETS, NET (Details 1) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/IntangibleAssetsNetDetails1 </Role>
<ShortName> INTANGIBLE ASSETS, NET (Details 1) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/IntangibleAssetsNetTables </ParentRole>
<Position> 68 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R69.htm </HtmlFileName>
<LongName> 1069 - Disclosure - INTANGIBLE ASSETS, NET (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/IntangibleAssetsNetDetailsTextual </Role>
<ShortName> INTANGIBLE ASSETS, NET (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/IntangibleAssetsNetTables </ParentRole>
<Position> 69 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R70.htm </HtmlFileName>
<LongName> 1070 - Disclosure - LONG-TERM INVESTMENTS (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/LongTermInvestmentsDetails </Role>
<ShortName> LONG-TERM INVESTMENTS (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/LongTermInvestmentsTables </ParentRole>
<Position> 70 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R71.htm </HtmlFileName>
<LongName> 1071 - Disclosure - LONG-TERM INVESTMENTS (Details 1) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/LongTermInvestmentsDetails1 </Role>
<ShortName> LONG-TERM INVESTMENTS (Details 1) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/LongTermInvestmentsTables </ParentRole>
<Position> 71 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R72.htm </HtmlFileName>
<LongName> 1072 - Disclosure - LONG-TERM INVESTMENTS (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/LongTermInvestmentsDetails2 </Role>
<ShortName> LONG-TERM INVESTMENTS (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/LongTermInvestmentsTables </ParentRole>
<Position> 72 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R73.htm </HtmlFileName>
<LongName> 1073 - Disclosure - LONG-TERM INVESTMENTS (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/LongTermInvestmentsDetailsTextual </Role>
<ShortName> LONG-TERM INVESTMENTS (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/LongTermInvestmentsTables </ParentRole>
<Position> 73 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R74.htm </HtmlFileName>
<LongName> 1074 - Disclosure - OTHER ASSETS (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherAssetsDetails </Role>
<ShortName> OTHER ASSETS (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/OtherAssetsTables </ParentRole>
<Position> 74 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R75.htm </HtmlFileName>
<LongName> 1075 - Disclosure - OTHER ASSETS (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherAssetsDetailsTextual </Role>
<ShortName> OTHER ASSETS (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/OtherAssetsTables </ParentRole>
<Position> 75 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R76.htm </HtmlFileName>
<LongName> 1076 - Disclosure - SHORT-TERM LOANS (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/ShortTermLoansDetails </Role>
<ShortName> SHORT-TERM LOANS (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/ShortTermLoansTables </ParentRole>
<Position> 76 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R77.htm </HtmlFileName>
<LongName> 1077 - Disclosure - SHORT-TERM LOANS (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/ShortTermLoansDetailsTextual </Role>
<ShortName> SHORT-TERM LOANS (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/ShortTermLoansTables </ParentRole>
<Position> 77 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R78.htm </HtmlFileName>
<LongName> 1078 - Disclosure - INCOME TAX PAYABLE (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/IncomeTaxPayableDetails </Role>
<ShortName> INCOME TAX PAYABLE (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/IncomeTaxPayableTables </ParentRole>
<Position> 78 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R79.htm </HtmlFileName>
<LongName> 1079 - Disclosure - COMMISSIONS PAYABLE TO SALES PROFESSIONALS (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/CommissionsPayableToSalesProfessionalsDetails </Role>
<ShortName> COMMISSIONS PAYABLE TO SALES PROFESSIONALS (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/CommissionsPayableToSalesProfessionalsTables </ParentRole>
<Position> 79 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R80.htm </HtmlFileName>
<LongName> 1080 - Disclosure - COMMISSIONS PAYABLE TO SALES PROFESSIONALS (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/CommissionsPayableToSalesProfessionalsDetailsTextual </Role>
<ShortName> COMMISSIONS PAYABLE TO SALES PROFESSIONALS (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/CommissionsPayableToSalesProfessionalsTables </ParentRole>
<Position> 80 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R81.htm </HtmlFileName>
<LongName> 1081 - Disclosure - OTHER CURRENT LIABILITIES (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherCurrentLiabilitiesDetails </Role>
<ShortName> OTHER CURRENT LIABILITIES (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/OtherCurrentLiabilitiesTables </ParentRole>
<Position> 81 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R82.htm </HtmlFileName>
<LongName> 1082 - Disclosure - LONG-TERM LOANS (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/LongTermLoansDetails </Role>
<ShortName> LONG-TERM LOANS (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/LongTermLoansTables </ParentRole>
<Position> 82 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R83.htm </HtmlFileName>
<LongName> 1083 - Disclosure - LONG-TERM LOANS (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/LongTermLoansDetailsTextual </Role>
<ShortName> LONG-TERM LOANS (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/LongTermLoansTables </ParentRole>
<Position> 83 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R84.htm </HtmlFileName>
<LongName> 1084 - Disclosure - OTHER LIABILITIES (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherLiabilitiesDetails </Role>
<ShortName> OTHER LIABILITIES (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/OtherLiabilitiesTables </ParentRole>
<Position> 84 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R85.htm </HtmlFileName>
<LongName> 1085 - Disclosure - OTHER LIABILITIES (Details 1) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherLiabilitiesDetails1 </Role>
<ShortName> OTHER LIABILITIES (Details 1) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/OtherLiabilitiesTables </ParentRole>
<Position> 85 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R86.htm </HtmlFileName>
<LongName> 1086 - Disclosure - OTHER LIABILITIES (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/OtherLiabilitiesDetailsTextual </Role>
<ShortName> OTHER LIABILITIES (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/OtherLiabilitiesTables </ParentRole>
<Position> 86 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R87.htm </HtmlFileName>
<LongName> 1087 - Disclosure - PREFERRED STOCK (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/PreferredStockDetailsTextual </Role>
<ShortName> PREFERRED STOCK (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/PreferredStock </ParentRole>
<Position> 87 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R88.htm </HtmlFileName>
<LongName> 1088 - Disclosure - STATUTORY RESERVES (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/StatutoryReservesDetailsTextual </Role>
<ShortName> STATUTORY RESERVES (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/StatutoryReserves </ParentRole>
<Position> 88 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R89.htm </HtmlFileName>
<LongName> 1089 - Disclosure - NONCONTROLLING INTERESTS (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/NoncontrollingInterestsDetails </Role>
<ShortName> NONCONTROLLING INTERESTS (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/NoncontrollingInterestsTables </ParentRole>
<Position> 89 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R90.htm </HtmlFileName>
<LongName> 1090 - Disclosure - INCOME TAX (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/IncomeTaxDetails </Role>
<ShortName> INCOME TAX (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/IncomeTaxPayableTables </ParentRole>
<Position> 90 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R91.htm </HtmlFileName>
<LongName> 1091 - Disclosure - INCOME TAX (Details 1) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/IncomeTaxDetails1 </Role>
<ShortName> INCOME TAX (Details 1) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/IncomeTaxPayableTables </ParentRole>
<Position> 91 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R92.htm </HtmlFileName>
<LongName> 1092 - Disclosure - INCOME TAX (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/IncomeTaxDetails2 </Role>
<ShortName> INCOME TAX (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/IncomeTaxPayableTables </ParentRole>
<Position> 92 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R93.htm </HtmlFileName>
<LongName> 1093 - Disclosure - INCOME TAX (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/IncomeTaxDetailsTextual </Role>
<ShortName> INCOME TAX (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/IncomeTaxPayableTables </ParentRole>
<Position> 93 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R94.htm </HtmlFileName>
<LongName> 1094 - Disclosure - RELATED PARTY TRANSACTIONS (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/RelatedPartyTransactionsDetails </Role>
<ShortName> RELATED PARTY TRANSACTIONS (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/RelatedPartyTransactionsTables </ParentRole>
<Position> 94 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R95.htm </HtmlFileName>
<LongName> 1095 - Disclosure - RELATED PARTY TRANSACTIONS (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/RelatedPartyTransactionsDetailsTextual </Role>
<ShortName> RELATED PARTY TRANSACTIONS (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/RelatedPartyTransactionsTables </ParentRole>
<Position> 95 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R96.htm </HtmlFileName>
<LongName> 1096 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/CommitmentsAndContingenciesDetails </Role>
<ShortName> COMMITMENTS AND CONTINGENCIES (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/CommitmentsAndContingenciesTables </ParentRole>
<Position> 96 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R97.htm </HtmlFileName>
<LongName> 1097 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/CommitmentsAndContingenciesDetailsTextual </Role>
<ShortName> COMMITMENTS AND CONTINGENCIES (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/CommitmentsAndContingenciesTables </ParentRole>
<Position> 97 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R98.htm </HtmlFileName>
<LongName> 1098 - Disclosure - FINANCIAL RISK MANAGEMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/FinancialRiskManagementAndFairValueOfFinancialInstrumentsDetails </Role>
<ShortName> FINANCIAL RISK MANAGEMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/FinancialRiskManagementAndFairValueOfFinancialInstrumentsTables </ParentRole>
<Position> 98 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R99.htm </HtmlFileName>
<LongName> 1099 - Disclosure - FINANCIAL RISK MANAGEMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 1) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/FinancialRiskManagementAndFairValueOfFinancialInstrumentsDetails1 </Role>
<ShortName> FINANCIAL RISK MANAGEMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 1) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/FinancialRiskManagementAndFairValueOfFinancialInstrumentsTables </ParentRole>
<Position> 99 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R100.htm </HtmlFileName>
<LongName> 1100 - Disclosure - FINANCIAL RISK MANAGEMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/FinancialRiskManagementAndFairValueOfFinancialInstrumentsDetailsTextual </Role>
<ShortName> FINANCIAL RISK MANAGEMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/FinancialRiskManagementAndFairValueOfFinancialInstrumentsTables </ParentRole>
<Position> 100 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R101.htm </HtmlFileName>
<LongName> 1101 - Disclosure - SEGMENT REPORTING (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SegmentReportingDetails </Role>
<ShortName> SEGMENT REPORTING (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/SegmentReportingTables </ParentRole>
<Position> 101 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R102.htm </HtmlFileName>
<LongName> 1102 - Disclosure - SEGMENT REPORTING (Details 1) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SegmentReportingDetails1 </Role>
<ShortName> SEGMENT REPORTING (Details 1) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/SegmentReportingTables </ParentRole>
<Position> 102 </Position>
</Report>
<Report instance="cuii-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R103.htm </HtmlFileName>
<LongName> 1103 - Disclosure - SUBSEQUENT EVENTS (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.holdingscuis.com/role/SubsequentEventsDetailsTextual </Role>
<ShortName> SUBSEQUENT EVENTS (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.holdingscuis.com/role/SubsequentEvents </ParentRole>
<Position> 103 </Position>
</Report>
<Report>
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<LongName> All Reports </LongName>
<ReportType> Book </ReportType>
<ShortName> All Reports </ShortName>
</Report>
</MyReports>
<InputFiles>
<File> cuii-20181231.xml </File>
<File> cuii-20181231.xsd </File>
<File> cuii-20181231_cal.xml </File>
<File> cuii-20181231_def.xml </File>
<File> cuii-20181231_lab.xml </File>
<File> cuii-20181231_pre.xml </File>
</InputFiles>
<SupplementalFiles>
<File> tv516373_img22.jpg </File>
</SupplementalFiles>
<BaseTaxonomies>
<BaseTaxonomy> http://xbrl.sec.gov/country/2017-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://xbrl.sec.gov/invest/2013-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://xbrl.sec.gov/currency/2017-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://fasb.org/us-gaap/2018-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://xbrl.sec.gov/dei/2018-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://fasb.org/srt/2018-01-31 </BaseTaxonomy>
</BaseTaxonomies>
<HasPresentationLinkbase> true </HasPresentationLinkbase>
<HasCalculationLinkbase> true </HasCalculationLinkbase>
</FilingSummary>


3 Subsequent Filings that Reference this Filing

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

 3/30/23  China United Ins Service, Inc.    10-K       12/31/22  122:13M                                    Toppan Merrill/FA2
 4/08/22  China United Ins Service, Inc.    10-K       12/31/21  126:14M                                    Toppan Merrill/FA2
 3/25/21  China United Ins Service, Inc.    10-K       12/31/20  119:14M                                    Toppan Merrill/FA
Top
Filing Submission 0001144204-19-017322   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Wed., May 1, 1:05:22.2pm ET