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Loans Receivable and Allowance for Credit Losses (Aging Analysis on Loans Held-for-Investment) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | $ 133,160 | $ 215,154
Total | 40,481,705 | 38,390,955
Current Accruing Loans |  |
Nonaccrual and Past Due Loans |  |
Total | 40,307,700 | 38,125,211
Total Accruing Past Due Loans |  |
Nonaccrual and Past Due Loans |  |
Total | 40,845 | 50,590
Accruing Loans 30-59 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total | 24,869 | 44,136
Accruing Loans 60-89 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total | 15,976 | 6,454
Commercial lending |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 112,516 | 184,153
Total | 29,367,013 | 28,440,027
Commercial lending | Commercial and industrial (“C&I”) |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 97,157 | 133,939
Total | 13,831,649 | 13,631,726
Commercial lending | Commercial real estate (“CRE”) |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 14,236 | 46,546
Total | 11,818,065 | 11,174,611
Commercial lending | Real estate loan | Multifamily residential |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 1,123 | 3,668
Total | 3,340,378 | 3,033,998
Commercial lending | Construction and land |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 0 | 0
Total | 376,921 | 599,692
Commercial lending | Total CRE |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 15,359 | 50,214
Total | 15,535,364 | 14,808,301
Commercial lending | Current Accruing Loans |  |
Nonaccrual and Past Due Loans |  |
Total | 29,235,286 | 28,224,064
Commercial lending | Current Accruing Loans | Commercial and industrial (“C&I”) |  |
Nonaccrual and Past Due Loans |  |
Total | 13,717,788 | 13,488,070
Commercial lending | Current Accruing Loans | Commercial real estate (“CRE”) |  |
Nonaccrual and Past Due Loans |  |
Total | 11,803,236 | 11,127,690
Commercial lending | Current Accruing Loans | Real estate loan | Multifamily residential |  |
Nonaccrual and Past Due Loans |  |
Total | 3,337,341 | 3,028,512
Commercial lending | Current Accruing Loans | Construction and land |  |
Nonaccrual and Past Due Loans |  |
Total | 376,921 | 579,792
Commercial lending | Current Accruing Loans | Total CRE |  |
Nonaccrual and Past Due Loans |  |
Total | 15,517,498 | 14,735,994
Commercial lending | Total Accruing Past Due Loans |  |
Nonaccrual and Past Due Loans |  |
Total | 19,211 | 31,810
Commercial lending | Total Accruing Past Due Loans | Commercial and industrial (“C&I”) |  |
Nonaccrual and Past Due Loans |  |
Total | 16,704 | 9,717
Commercial lending | Total Accruing Past Due Loans | Commercial real estate (“CRE”) |  |
Nonaccrual and Past Due Loans |  |
Total | 593 | 375
Commercial lending | Total Accruing Past Due Loans | Real estate loan | Multifamily residential |  |
Nonaccrual and Past Due Loans |  |
Total | 1,914 | 1,818
Commercial lending | Total Accruing Past Due Loans | Construction and land |  |
Nonaccrual and Past Due Loans |  |
Total | 0 | 19,900
Commercial lending | Total Accruing Past Due Loans | Total CRE |  |
Nonaccrual and Past Due Loans |  |
Total | 2,507 | 22,093
Commercial lending | Accruing Loans 30-59 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total | 8,949 | 31,086
Commercial lending | Accruing Loans 30-59 Days Past Due | Commercial and industrial (“C&I”) |  |
Nonaccrual and Past Due Loans |  |
Total | 6,597 | 8,993
Commercial lending | Accruing Loans 30-59 Days Past Due | Commercial real estate (“CRE”) |  |
Nonaccrual and Past Due Loans |  |
Total | 438 | 375
Commercial lending | Accruing Loans 30-59 Days Past Due | Real estate loan | Multifamily residential |  |
Nonaccrual and Past Due Loans |  |
Total | 1,914 | 1,818
Commercial lending | Accruing Loans 30-59 Days Past Due | Construction and land |  |
Nonaccrual and Past Due Loans |  |
Total | 0 | 19,900
Commercial lending | Accruing Loans 30-59 Days Past Due | Total CRE |  |
Nonaccrual and Past Due Loans |  |
Total | 2,352 | 22,093
Commercial lending | Accruing Loans 60-89 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total | 10,262 | 724
Commercial lending | Accruing Loans 60-89 Days Past Due | Commercial and industrial (“C&I”) |  |
Nonaccrual and Past Due Loans |  |
Total | 10,107 | 724
Commercial lending | Accruing Loans 60-89 Days Past Due | Commercial real estate (“CRE”) |  |
Nonaccrual and Past Due Loans |  |
Total | 155 | 0
Commercial lending | Accruing Loans 60-89 Days Past Due | Real estate loan | Multifamily residential |  |
Nonaccrual and Past Due Loans |  |
Total | 0 | 0
Commercial lending | Accruing Loans 60-89 Days Past Due | Construction and land |  |
Nonaccrual and Past Due Loans |  |
Total | 0 | 0
Commercial lending | Accruing Loans 60-89 Days Past Due | Total CRE |  |
Nonaccrual and Past Due Loans |  |
Total | 155 | 0
Consumer lending |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 20,644 | 31,001
Total | 11,114,692 | 9,950,928
Consumer lending | Real estate loan | Single-family residential |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 9,422 | 16,814
Total | 9,021,801 | 8,185,953
Consumer lending | HELOCs |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 8,731 | 11,696
Total | 1,963,622 | 1,601,716
Consumer lending | Total residential mortgage |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 18,153 | 28,510
Total | 10,985,423 | 9,787,669
Consumer lending | Other consumer |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 2,491 | 2,491
Total | 129,269 | 163,259
Consumer lending | Current Accruing Loans |  |
Nonaccrual and Past Due Loans |  |
Total | 11,072,414 | 9,901,147
Consumer lending | Current Accruing Loans | Real estate loan | Single-family residential |  |
Nonaccrual and Past Due Loans |  |
Total | 8,995,226 | 8,156,645
Consumer lending | Current Accruing Loans | HELOCs |  |
Nonaccrual and Past Due Loans |  |
Total | 1,950,594 | 1,583,968
Consumer lending | Current Accruing Loans | Total residential mortgage |  |
Nonaccrual and Past Due Loans |  |
Total | 10,945,820 | 9,740,613
Consumer lending | Current Accruing Loans | Other consumer |  |
Nonaccrual and Past Due Loans |  |
Total | 126,594 | 160,534
Consumer lending | Total Accruing Past Due Loans |  |
Nonaccrual and Past Due Loans |  |
Total | 21,634 | 18,780
Consumer lending | Total Accruing Past Due Loans | Real estate loan | Single-family residential |  |
Nonaccrual and Past Due Loans |  |
Total | 17,153 | 12,494
Consumer lending | Total Accruing Past Due Loans | HELOCs |  |
Nonaccrual and Past Due Loans |  |
Total | 4,297 | 6,052
Consumer lending | Total Accruing Past Due Loans | Total residential mortgage |  |
Nonaccrual and Past Due Loans |  |
Total | 21,450 | 18,546
Consumer lending | Total Accruing Past Due Loans | Other consumer |  |
Nonaccrual and Past Due Loans |  |
Total | 184 | 234
Consumer lending | Accruing Loans 30-59 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total | 15,920 | 13,050
Consumer lending | Accruing Loans 30-59 Days Past Due | Real estate loan | Single-family residential |  |
Nonaccrual and Past Due Loans |  |
Total | 13,442 | 9,911
Consumer lending | Accruing Loans 30-59 Days Past Due | HELOCs |  |
Nonaccrual and Past Due Loans |  |
Total | 2,298 | 2,922
Consumer lending | Accruing Loans 30-59 Days Past Due | Total residential mortgage |  |
Nonaccrual and Past Due Loans |  |
Total | 15,740 | 12,833
Consumer lending | Accruing Loans 30-59 Days Past Due | Other consumer |  |
Nonaccrual and Past Due Loans |  |
Total | 180 | 217
Consumer lending | Accruing Loans 60-89 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total | 5,714 | 5,730
Consumer lending | Accruing Loans 60-89 Days Past Due | Real estate loan | Single-family residential |  |
Nonaccrual and Past Due Loans |  |
Total | 3,711 | 2,583
Consumer lending | Accruing Loans 60-89 Days Past Due | HELOCs |  |
Nonaccrual and Past Due Loans |  |
Total | 1,999 | 3,130
Consumer lending | Accruing Loans 60-89 Days Past Due | Total residential mortgage |  |
Nonaccrual and Past Due Loans |  |
Total | 5,710 | 5,713
Consumer lending | Accruing Loans 60-89 Days Past Due | Other consumer |  |
Nonaccrual and Past Due Loans |  |
Total | $ 4 | $ 17

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