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Loans Receivable and Allowance for Credit Losses (Aging Analysis on Loans Held-for-Investment) (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Nonaccrual and Past Due Loans |  |
Current accruing loans | $ 39,269,817 | $ 38,125,211
Total Accruing Past Due Loans | 86,969 | 50,590
Total Nonaccrual Loans | 231,962 | 215,154
Total | 39,588,748 | 38,390,955
Accruing Loans 30-59 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 43,943 | 44,136
Accruing Loans 60-89 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 43,026 | 6,454
Commercial lending |  |
Nonaccrual and Past Due Loans |  |
Current accruing loans | 28,898,105 | 28,224,064
Total Accruing Past Due Loans | 71,545 | 31,810
Total Nonaccrual Loans | 200,263 | 184,153
Total | 29,169,913 | 28,440,027
Commercial lending | Commercial and industrial (“C&I”) |  |
Nonaccrual and Past Due Loans |  |
Current accruing loans | 13,923,524 | 13,488,070
Total Accruing Past Due Loans | 32,050 | 9,717
Total Nonaccrual Loans | 125,536 | 133,939
Total | 14,081,110 | 13,631,726
Commercial lending | Commercial real estate (“CRE”) |  |
Nonaccrual and Past Due Loans |  |
Current accruing loans | 11,473,405 | 11,127,690
Total Accruing Past Due Loans | 39,495 | 375
Total Nonaccrual Loans | 50,134 | 46,546
Total | 11,563,034 | 11,174,611
Commercial lending | Real estate loan | Multifamily residential |  |
Nonaccrual and Past Due Loans |  |
Current accruing loans | 3,061,822 | 3,028,512
Total Accruing Past Due Loans | 0 | 1,818
Total Nonaccrual Loans | 4,693 | 3,668
Total | 3,066,515 | 3,033,998
Commercial lending | Construction and land |  |
Nonaccrual and Past Due Loans |  |
Current accruing loans | 439,354 | 579,792
Total Accruing Past Due Loans | 0 | 19,900
Total Nonaccrual Loans | 19,900 | 0
Total | 459,254 | 599,692
Commercial lending | Total CRE |  |
Nonaccrual and Past Due Loans |  |
Current accruing loans | 14,974,581 | 14,735,994
Total Accruing Past Due Loans | 39,495 | 22,093
Total Nonaccrual Loans | 74,727 | 50,214
Total | 15,088,803 | 14,808,301
Commercial lending | Accruing Loans 30-59 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 32,105 | 31,086
Commercial lending | Accruing Loans 30-59 Days Past Due | Commercial and industrial (“C&I”) |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 26,417 | 8,993
Commercial lending | Accruing Loans 30-59 Days Past Due | Commercial real estate (“CRE”) |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 5,688 | 375
Commercial lending | Accruing Loans 30-59 Days Past Due | Real estate loan | Multifamily residential |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 0 | 1,818
Commercial lending | Accruing Loans 30-59 Days Past Due | Construction and land |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 0 | 19,900
Commercial lending | Accruing Loans 30-59 Days Past Due | Total CRE |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 5,688 | 22,093
Commercial lending | Accruing Loans 60-89 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 39,440 | 724
Commercial lending | Accruing Loans 60-89 Days Past Due | Commercial and industrial (“C&I”) |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 5,633 | 724
Commercial lending | Accruing Loans 60-89 Days Past Due | Commercial real estate (“CRE”) |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 33,807 | 0
Commercial lending | Accruing Loans 60-89 Days Past Due | Real estate loan | Multifamily residential |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 0 | 0
Commercial lending | Accruing Loans 60-89 Days Past Due | Construction and land |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 0 | 0
Commercial lending | Accruing Loans 60-89 Days Past Due | Total CRE |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 33,807 | 0
Consumer lending |  |
Nonaccrual and Past Due Loans |  |
Current accruing loans | 10,371,712 | 9,901,147
Total Accruing Past Due Loans | 15,424 | 18,780
Total Nonaccrual Loans | 31,699 | 31,001
Total | 10,418,835 | 9,950,928
Consumer lending | Real estate loan | Single-family residential |  |
Nonaccrual and Past Due Loans |  |
Current accruing loans | 8,493,416 | 8,156,645
Total Accruing Past Due Loans | 12,575 | 12,494
Total Nonaccrual Loans | 18,296 | 16,814
Total | 8,524,287 | 8,185,953
Consumer lending | HELOCs |  |
Nonaccrual and Past Due Loans |  |
Current accruing loans | 1,735,692 | 1,583,968
Total Accruing Past Due Loans | 2,603 | 6,052
Total Nonaccrual Loans | 10,877 | 11,696
Total | 1,749,172 | 1,601,716
Consumer lending | Total residential mortgage |  |
Nonaccrual and Past Due Loans |  |
Current accruing loans | 10,229,108 | 9,740,613
Total Accruing Past Due Loans | 15,178 | 18,546
Total Nonaccrual Loans | 29,173 | 28,510
Total | 10,273,459 | 9,787,669
Consumer lending | Other consumer |  |
Nonaccrual and Past Due Loans |  |
Current accruing loans | 142,604 | 160,534
Total Accruing Past Due Loans | 246 | 234
Total Nonaccrual Loans | 2,526 | 2,491
Total | 145,376 | 163,259
Consumer lending | Accruing Loans 30-59 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 11,838 | 13,050
Consumer lending | Accruing Loans 30-59 Days Past Due | Real estate loan | Single-family residential |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 9,827 | 9,911
Consumer lending | Accruing Loans 30-59 Days Past Due | HELOCs |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 1,769 | 2,922
Consumer lending | Accruing Loans 30-59 Days Past Due | Total residential mortgage |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 11,596 | 12,833
Consumer lending | Accruing Loans 30-59 Days Past Due | Other consumer |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 242 | 217
Consumer lending | Accruing Loans 60-89 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 3,586 | 5,730
Consumer lending | Accruing Loans 60-89 Days Past Due | Real estate loan | Single-family residential |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 2,748 | 2,583
Consumer lending | Accruing Loans 60-89 Days Past Due | HELOCs |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 834 | 3,130
Consumer lending | Accruing Loans 60-89 Days Past Due | Total residential mortgage |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 3,582 | 5,713
Consumer lending | Accruing Loans 60-89 Days Past Due | Other consumer |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | $ 4 | $ 17

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