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Western Alliance Bancorporation – ‘10-K’ for 12/31/20 – ‘XML’

On:  Thursday, 2/25/21, at 3:27pm ET   ·   For:  12/31/20   ·   Accession #:  1212545-21-85   ·   File #:  1-32550

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

 2/25/21  Western Alliance Bancorporation   10-K       12/31/20  136:27M

Annual Report   —   Form 10-K
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   3.45M 
 2: EX-21.1     Subsidiaries List                                   HTML     41K 
 3: EX-23.1     Consent of Expert or Counsel                        HTML     35K 
 4: EX-31.1     Certification -- §302 - SOA'02                      HTML     41K 
 5: EX-31.2     Certification -- §302 - SOA'02                      HTML     41K 
 6: EX-32       Certification -- §906 - SOA'02                      HTML     39K 
13: R1          Document and Entity Information                     HTML    102K 
14: R2          Consolidated Balance Sheets                         HTML    152K 
15: R3          Consolidated Balance Sheets (Parenthetical)         HTML     45K 
16: R4          Consolidated Statements of Operations               HTML    155K 
17: R5          Consolidated Statements of Comprehensive Income     HTML    108K 
18: R6          Consolidated Statements of Comprehensive Income     HTML     38K 
                (Parenthetical)                                                  
19: R7          Consolidated Statements of Stockholders' Equity     HTML     86K 
20: R8          Consolidated Statements of Cash Flows               HTML    155K 
21: R9          Deposits (Notes)                                    HTML     56K 
22: R10         Deposits (Tables)                                   HTML     55K 
23: R11         Deposits (Details)                                  HTML     70K 
24: R12         Stockholders' Equity Treasury shares (Details)      HTML     41K 
25: R13         Summary of Significant Accounting Policies          HTML    241K 
26: R14         Receivables, Loans, Notes Receivable, and Others    HTML     91K 
27: R15         Premises and Equipment (Notes)                      HTML     50K 
28: R16         Leases (Notes)                                      HTML     51K 
29: R17         Goodwill and Other Intangible Assets Goodwill and   HTML     69K 
                Other Intangible Assets (Notes)                                  
30: R18         Other Borrowings                                    HTML     47K 
31: R19         Qualifying Debt Qualifying Debt (Notes)             HTML     70K 
32: R20         Stockholders' Equity                                HTML     62K 
33: R21         Accumulated Other Comprehensive Income              HTML     93K 
34: R22         Derivatives and Hedging                             HTML    129K 
35: R23         Earnings per Share (Notes)                          HTML     51K 
36: R24         Income Taxes                                        HTML    115K 
37: R25         Commitments and Contingencies                       HTML     70K 
38: R26         Fair Value Accounting                               HTML    286K 
39: R27         Financial Services, Banking and Thrift              HTML    112K 
40: R28         Employee Benefit Plan (Notes)                       HTML     72K 
41: R29         Related Parties (Notes)                             HTML     50K 
42: R30         Parent Company (Notes)                              HTML    119K 
43: R31         Segments                                            HTML    186K 
44: R32         Quarterly Financial Data (Notes)                    HTML    100K 
45: R33         Subsequent Events                                   HTML     39K 
46: R34         Summary of Significant Accounting Policies          HTML    233K 
                (Policies)                                                       
47: R35         Investment Securities (Tables)                      HTML    350K 
48: R36         Loans, Leases and Allowance for Credit Losses       HTML    485K 
                (Tables)                                                         
49: R37         Premises and Equipment (Tables)                     HTML     49K 
50: R38         Leases (Tables)                                     HTML     46K 
51: R39         Goodwill and Other Intangible Assets (Tables)       HTML     82K 
52: R40         Other Borrowings (Tables)                           HTML     45K 
53: R41         Qualifying Debt Junior Subordinated Debt Table      HTML     64K 
                (Tables)                                                         
54: R42         Stockholders' Equity Schedule of Share-based        HTML     53K 
                Compensation Arrangements by Share-based Payment                 
                Award (Tables)                                                   
55: R43         Accumulated Other Comprehensive Income (Tables)     HTML     94K 
56: R44         Derivatives and Hedging (Tables)                    HTML     99K 
57: R45         Earnings per Share (Tables)                         HTML     50K 
58: R46         Income Taxes Provision (Tables)                     HTML    111K 
59: R47         Commitments and Contingencies (Tables)              HTML     65K 
60: R48         Fair Value Accounting (Tables)                      HTML    222K 
61: R49         Employee Benefit Plan (Tables)                      HTML     71K 
62: R50         Related Parties (Tables)                            HTML     45K 
63: R51         Parent Company (Tables)                             HTML    100K 
64: R52         Segments (Tables)                                   HTML    178K 
65: R53         Quarterly Financial Data (Tables)                   HTML    100K 
66: R54         Summary of Significant Accounting Policies -        HTML     68K 
                Additional Information (Detail)                                  
67: R55         Investment Securities - Carrying Amounts and Fair   HTML    235K 
                Values of Investment Securities (Detail)                         
68: R56         Investment Securities - Additional Information      HTML     45K 
                (Detail)                                                         
69: R57         Investment Securities - Unrealized Losses and Fair  HTML     91K 
                Value of Investment Securities in Continuous                     
                Unrealized Loss Position (Detail)                                
70: R58         Investment Securities - Amortized Cost and Fair     HTML     86K 
                Value of Investment Securities by Contractual                    
                Maturities (Detail)                                              
71: R59         Investment Securities - Investment Securities by    HTML    183K 
                Credit Rating Type (Detail)                                      
72: R60         Investment Securities - Investment Securities by    HTML     37K 
                Credit Rating Type (Detail)                                      
73: R61         Investment Securities - Gross Gains and (Losses)    HTML     49K 
                on Sales of Investments (Detail)                                 
74: R62         Investments Securities Investment Securities -      HTML     48K 
                Allowance for Credit Losses - HTM (Details)                      
75: R63         Loans, Leases and Allowance for Credit Losses -     HTML     83K 
                Schedule of Held for Investment Loan Portfolio                   
                Composition of Loans, Leases and Allowance for                   
                Credit Losses (Detail)                                           
76: R64         Loans, Leases and Allowance for Credit Losses -     HTML    128K 
                Summary of Recorded Investment in Nonaccrual Loans               
                and Loans Past Due 90 Days Still Accruing Interest               
                by Loan Class (Detail)                                           
77: R65         Contractual Aging of Loan Portfolio by Segment      HTML    166K 
                (Details)                                                        
78: R66         Loans, Leases and Allowance for Credit Losses -     HTML    414K 
                Loans by Risk Rating (Detail)                                    
79: R67         Loans, Leases and Allowance for Credit Losses -     HTML     73K 
                Troubled Debt Restructurings (Detail)                            
80: R68         Loans, Leases and Allowance for Credit Loans,       HTML     86K 
                Leases and Allowance for Credit Losses -                         
                Collateral Dependent Loans (Details)                             
81: R69         Loans, Leases and Allowance for Credit Losses -     HTML    223K 
                Allowances for Credit Losses (Detail) Valuation                  
82: R70         Loans, Leases and Allowance for Credit Losses Loan  HTML     69K 
                Purchases and Sales (Details)                                    
83: R71         Premises and Equipment (Details)                    HTML     55K 
84: R72         Leases (Details)                                    HTML     78K 
85: R73         Goodwill and Other Intangible Assets (Details)      HTML     60K 
86: R74         Other Borrowings - Company's Borrowings (Detail)    HTML     51K 
87: R75         Other Borrowings - Additional Information (Detail)  HTML     48K 
88: R76         Qualifying Debt (Details)                           HTML     38K 
89: R77         Qualifying Debt Subordinated Debt Details           HTML     58K 
                (Details)                                                        
90: R78         Qualifying Debt Junior Subordinated Debt (Details)  HTML     75K 
91: R79         Qualifying Debt Supplemental Schedule - Adoption    HTML     80K 
                of ASU 2016-01 (Details)                                         
92: R80         Stockholders' Equity - Additional Information       HTML     65K 
                (Detail)                                                         
93: R81         Stockholders' Equity - Summary of Unvested Shares   HTML     69K 
                of Restricted Stock and Changes (Detail)                         
94: R82         Stockholders' Equity Share-Based Compensation -     HTML     69K 
                Stock Options (Details)                                          
95: R83         Stockholders' Equity Common Stock Repurchase        HTML     45K 
                (Details)                                                        
96: R84         Stockholders' Equity Dividend (Details)             HTML     39K 
97: R85         Accumulated Other Comprehensive Income - Summary    HTML     75K 
                of Changes in Accumulated Other Comprehensive                    
                Income (Detail)                                                  
98: R86         Accumulated Other Comprehensive Income - Schedule   HTML     47K 
                of Reclassifications Out of Accumulated Other                    
                Comprehensive Income (Detail)                                    
99: R87         Derivatives and Hedging Fair Value of Derivative    HTML     80K 
                Contracts (Detail)                                               
100: R88         Derivatives and Hedging Pre-Tax Net Gains (Losses)  HTML     44K  
                on Fair Value Hedges (Detail)                                    
101: R89         Derivatives and Hedging Largest Exposure to         HTML     48K  
                Individual Counterparty (Detail)                                 
102: R90         Derivatives and Hedging Additional Information      HTML     80K  
                (Detail)                                                         
103: R91         Earnings per Share (Details)                        HTML     65K  
104: R92         Income Taxes Provision for Income Tax (Details)     HTML     50K  
105: R93         Income Taxes Reconciliation between Statutory       HTML     60K  
                Federal Income Tax and Company's Effective Tax                   
                Rate (Details)                                                   
106: R94         Income Taxes - Additional Information (Detail)      HTML     53K  
107: R95         Income Taxes Income Taxes - Cumulative Tax Effects  HTML     86K  
                of Primary Differences (Details)                                 
108: R96         Income Taxes - Low Income Housing Tax Credit        HTML     44K  
                (Details)                                                        
109: R97         Income Taxes Gross Activity of Unrecognized Tax     HTML     58K  
                Benefits Related to Uncertain Tax Positions                      
                (Details)                                                        
110: R98         Commitments and Contingencies - Additional          HTML     58K  
                Information (Detail)                                             
111: R99         Commitments and Contingencies - Summary of          HTML     61K  
                Contractual Amounts for Unfunded Commitments and                 
                Letters of Credit (Detail)                                       
112: R100        Commitments and Contingencies - Contractual         HTML     56K  
                Commitments for Lines and Letters of Credit by                   
                Maturity (Detail)                                                
113: R101        Commitments and Contingencies Concentration of      HTML     37K  
                Lending Activities (Details)                                     
114: R102        Fair Value Accounting - Gains and Losses from Fair  HTML     44K  
                Value Changes Included in Consolidated Statement                 
                of Operations (Detail)                                           
115: R103        Fair Value Accounting - Fair Value of Assets and    HTML    154K  
                Liabilities (Detail)                                             
116: R104        Fair Value Accounting - Change in Level 3           HTML     88K  
                Liabilities Measured at Fair Value on Recurring                  
                Basis (Detail)                                                   
117: R105        Fair Value Accounting - Assets Measured at Fair     HTML     66K  
                Value on Nonrecurring Basis (Detail)                             
118: R106        Fair Value Accounting - Estimated Fair Value of     HTML    141K  
                Financial Instruments (Detail)                                   
119: R107        Fair Value Accounting - Additional Information      HTML     71K  
                (Detail)                                                         
120: R108        Fair Value Accounting Additional Details (Details)  HTML     37K  
121: R109        Regulatory Capital Requirements - Summary of        HTML     78K  
                Actual Capital Amount and Ratio (Detail)                         
122: R110        Employee Benefit Plan (Details)                     HTML     52K  
123: R111        Employee Benefit Plan Accumulated Benefit           HTML     57K  
                Obligation and Funded Status of SERP (Details)                   
124: R112        Employee Benefit Plan Net Periodic Benefit Cost     HTML     59K  
                (Details)                                                        
125: R113        Related Parties (Details)                           HTML     59K  
126: R114        Parent Company Parent Company Balance Sheet         HTML     78K  
                (Details)                                                        
127: R115        Parent Company Parent Company Condensed Income      HTML     85K  
                Statement (Details)                                              
128: R116        Parent Company Parent Company Cash Flows (Details)  HTML     94K  
129: R117        Segments - Operating Segment Information (Detail)   HTML    206K  
130: R118        Revenue from Contracts with Customers (Details)     HTML     99K  
131: R119        Quarterly Financial Data (Details)                  HTML     91K  
132: R9999       Uncategorized Items - wal-20201231.htm              HTML     51K  
134: XML         IDEA XML File -- Filing Summary                      XML    259K  
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133: EXCEL       IDEA Workbook of Financial Reports                  XLSX    241K  
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11: EX-101.PRE  XBRL Presentations -- wal-20201231_pre               XML   2.47M 
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135: JSON        XBRL Instance as JSON Data -- MetaLinks              705±  1.11M  
136: ZIP         XBRL Zipped Folder -- 0001212545-21-000085-xbrl      Zip    922K

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8 Subsequent Filings that Reference this Filing

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

 2/28/22  Western Alliance Bancorporation   424B5                  2:464K                                   Donnelley … Solutions/FA
 9/16/21  Western Alliance Bancorporation   424B5                  1:656K                                   Donnelley … Solutions/FA
 9/15/21  Western Alliance Bancorporation   424B5                  1:663K                                   Donnelley … Solutions/FA
 6/04/21  Western Alliance Bancorporation   424B5                  1:692K                                   Donnelley … Solutions/FA
 6/03/21  Western Alliance Bancorporation   424B5                  1:482K                                   Donnelley … Solutions/FA
 6/03/21  Western Alliance Bancorporation   424B5                  1:693K                                   Donnelley … Solutions/FA
 5/14/21  Western Alliance Bancorporation   S-3ASR      5/14/21    4:464K                                   Donnelley … Solutions/FA
 3/01/21  Western Alliance Bancorporation   424B5                  1:405K                                   Donnelley … Solutions/FA

16 Previous Filings that this Filing References

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

 2/16/21  Western Alliance Bancorporation   8-K:1,7,9   2/16/21   15:3.9M
 6/01/20  Western Alliance Bancorporation   8-K:8,9     6/01/20   12:349K                                   Donnelley … Solutions/FA
 5/22/20  Western Alliance Bancorporation   8-K:1,2,9   5/22/20   14:345K
 3/02/20  Western Alliance Bancorporation   10-K       12/31/19  153:37M
 4/30/19  Western Alliance Bancorporation   10-Q        3/31/19   93:23M
 3/01/19  Western Alliance Bancorporation   10-K       12/31/18  149:35M
 5/05/17  Western Alliance Bancorporation   8-K:5,9     5/01/17    3:176K
 3/01/17  Western Alliance Bancorporation   10-K/A     12/31/16    4:129K
 6/16/16  Western Alliance Bancorporation   8-K:8,9     6/09/16    7:765K                                   Donnelley … Solutions/FA
 7/02/15  Western Alliance Bancorporation   S-8         7/02/15    4:314K
 7/02/15  Western Alliance Bancorporation   8-K:1,2,8,9 6/29/15    3:74K                                    Donnelley … Solutions/FA
 5/22/15  Western Alliance Bancorporation   8-K:5,9     5/19/15    3:236K
 5/07/15  Western Alliance Bancorporation   S-3ASR      5/07/15    6:1.2M                                   Donnelley … Solutions/FA
 6/03/14  Western Alliance Bancorporation   8-K:3,5,9   5/29/14    8:492K                                   Donnelley … Solutions/FA
 8/25/10  Western Alliance Bancorporation   8-K:1,2,8,9 8/25/10    5:610K                                   Donnelley … Solutions/FA
 4/28/05  Western Alliance Bancorporation   S-1                   12:2.2M                                   Donnelley … Solutions/FA
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