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
12: XML XBRL Instance -- wal-20201231_htm XML 7.77M
133: EXCEL IDEA Workbook of Financial Reports XLSX 241K
8: EX-101.CAL XBRL Calculations -- wal-20201231_cal XML 280K
9: EX-101.DEF XBRL Definitions -- wal-20201231_def XML 2.10M
10: EX-101.LAB XBRL Labels -- wal-20201231_lab XML 3.08M
11: EX-101.PRE XBRL Presentations -- wal-20201231_pre XML 2.47M
7: EX-101.SCH XBRL Schema -- wal-20201231 XSD 314K
135: JSON XBRL Instance as JSON Data -- MetaLinks 705± 1.11M
136: ZIP XBRL Zipped Folder -- 0001212545-21-000085-xbrl Zip 922K
‘EXCEL’ — IDEA Workbook of Financial Reports
This is an IDEA Workbook.
8 Subsequent Filings that Reference this Filing
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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