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Loans Receivable and Allowance for Credit Losses - Schedule Of Aging Analysis Of Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | $ 55,766,772 | $ 53,726,637
Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 55,470,505 | 53,462,858
Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 139,333 | 104,761
Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 89,299 | 55,354
Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 50,034 | 49,407
Total Nonaccrual Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 156,934 | 159,018
Commercial lending |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 39,046,567 | 37,672,102
Commercial lending | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 38,886,083 | 37,537,266
Commercial lending | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 60,647 | 30,353
Commercial lending | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 37,732 | 11,025
Commercial lending | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 22,915 | 19,328
Commercial lending | Total Nonaccrual Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 99,837 | 104,483
Commercial lending | C&I |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 18,001,529 | 17,397,158
Commercial lending | C&I | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 17,920,668 | 17,288,138
Commercial lending | C&I | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 10,796 | 22,855
Commercial lending | C&I | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 3,949 | 5,690
Commercial lending | C&I | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 6,847 | 17,165
Commercial lending | C&I | Total Nonaccrual Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 70,065 | 86,165
Commercial lending | CRE |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 15,231,167 | 14,655,340
Commercial lending | CRE | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 15,161,590 | 14,647,270
Commercial lending | CRE | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 49,009 | 5,640
Commercial lending | CRE | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 33,489 | 3,755
Commercial lending | CRE | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 15,520 | 1,885
Commercial lending | CRE | Total Nonaccrual Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 20,568 | 2,430
Commercial lending | Multifamily residential |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 5,037,284 | 4,953,442
Commercial lending | Multifamily residential | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 5,036,135 | 4,947,939
Commercial lending | Multifamily residential | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 842 | 931
Commercial lending | Multifamily residential | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 294 | 653
Commercial lending | Multifamily residential | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 548 | 278
Commercial lending | Multifamily residential | Total Nonaccrual Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 307 | 4,572
Commercial lending | Construction and land |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 776,587 | 666,162
Commercial lending | Construction and land | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 767,690 | 653,919
Commercial lending | Construction and land | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 0 | 927
Commercial lending | Construction and land | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 0 | 927
Commercial lending | Construction and land | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 0 | 0
Commercial lending | Construction and land | Total Nonaccrual Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 8,897 | 11,316
Commercial lending | Total CRE |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 21,045,038 | 20,274,944
Commercial lending | Total CRE | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 20,965,415 | 20,249,128
Commercial lending | Total CRE | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 49,851 | 7,498
Commercial lending | Total CRE | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 33,783 | 5,335
Commercial lending | Total CRE | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 16,068 | 2,163
Commercial lending | Total CRE | Total Nonaccrual Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 29,772 | 18,318
Consumer lending |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 16,720,205 | 16,054,535
Consumer lending | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 16,584,422 | 15,925,592
Consumer lending | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 78,686 | 74,408
Consumer lending | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 51,567 | 44,329
Consumer lending | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 27,119 | 30,079
Consumer lending | Total Nonaccrual Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 57,097 | 54,535
Consumer lending | Single-family residential |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 14,820,911 | 14,175,446
Consumer lending | Single-family residential | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 14,729,285 | 14,088,086
Consumer lending | Single-family residential | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 57,954 | 54,937
Consumer lending | Single-family residential | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 37,066 | 32,841
Consumer lending | Single-family residential | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 20,888 | 22,096
Consumer lending | Single-family residential | Total Nonaccrual Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 33,672 | 32,423
Consumer lending | Home equity lines of credit (“HELOCs”) |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 1,852,408 | 1,811,628
Consumer lending | Home equity lines of credit (“HELOCs”) | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 1,808,419 | 1,770,218
Consumer lending | Home equity lines of credit (“HELOCs”) | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 20,637 | 19,364
Consumer lending | Home equity lines of credit (“HELOCs”) | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 14,465 | 11,396
Consumer lending | Home equity lines of credit (“HELOCs”) | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 6,172 | 7,968
Consumer lending | Home equity lines of credit (“HELOCs”) | Total Nonaccrual Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 23,352 | 22,046
Consumer lending | Total residential mortgage |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 16,673,319 | 15,987,074
Consumer lending | Total residential mortgage | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 16,537,704 | 15,858,304
Consumer lending | Total residential mortgage | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 78,591 | 74,301
Consumer lending | Total residential mortgage | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 51,531 | 44,237
Consumer lending | Total residential mortgage | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 27,060 | 30,064
Consumer lending | Total residential mortgage | Total Nonaccrual Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 57,024 | 54,469
Consumer lending | Other consumer |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 46,886 | 67,461
Consumer lending | Other consumer | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 46,718 | 67,288
Consumer lending | Other consumer | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 95 | 107
Consumer lending | Other consumer | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 36 | 92
Consumer lending | Other consumer | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 59 | 15
Consumer lending | Other consumer | Total Nonaccrual Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | $ 73 | $ 66

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