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Loans Receivable and Allowance for Credit Losses - Aging Analysis on Loans Held-for-Investment (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | $ 89,935 | $ 93,181
Loans held-for-investment | 46,502,076 | 41,693,781
Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 46,372,850 | 41,555,745
Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 39,291 | 44,855
Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 31,442 | 31,091
Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 7,849 | 13,764
Commercial lending |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 52,795 | 68,965
Loans held-for-investment | 33,903,426 | 30,327,746
Commercial lending | Commercial and industrial (“C&I”) |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 40,053 | 59,023
Loans held-for-investment | 15,377,117 | 14,150,608
Commercial lending | Commercial real estate (“CRE”) |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 11,276 | 9,498
Loans held-for-investment | 13,566,748 | 12,155,047
Commercial lending | Real estate loan | Multifamily residential |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 1,466 | 444
Loans held-for-investment | 4,443,704 | 3,675,605
Commercial lending | Construction and land |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 0 | 0
Loans held-for-investment | 515,857 | 346,486
Commercial lending | Total CRE |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 12,742 | 9,942
Loans held-for-investment | 18,526,309 | 16,177,138
Commercial lending | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 33,839,019 | 30,238,648
Commercial lending | Current Accruing Loans | Commercial and industrial (“C&I”) |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 15,326,934 | 14,080,516
Commercial lending | Current Accruing Loans | Commercial real estate (“CRE”) |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 13,554,820 | 12,141,827
Commercial lending | Current Accruing Loans | Real estate loan | Multifamily residential |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 4,441,408 | 3,669,819
Commercial lending | Current Accruing Loans | Construction and land |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 515,857 | 346,486
Commercial lending | Current Accruing Loans | Total CRE |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 18,512,085 | 16,158,132
Commercial lending | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 11,612 | 20,133
Commercial lending | Total Accruing Past Due Loans | Commercial and industrial (“C&I”) |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 10,130 | 11,069
Commercial lending | Total Accruing Past Due Loans | Commercial real estate (“CRE”) |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 652 | 3,722
Commercial lending | Total Accruing Past Due Loans | Real estate loan | Multifamily residential |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 830 | 5,342
Commercial lending | Total Accruing Past Due Loans | Construction and land |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 0 | 0
Commercial lending | Total Accruing Past Due Loans | Total CRE |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 1,482 | 9,064
Commercial lending | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 11,378 | 16,025
Commercial lending | Accruing Loans 30-59 Days Past Due | Commercial and industrial (“C&I”) |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 10,097 | 6,983
Commercial lending | Accruing Loans 30-59 Days Past Due | Commercial real estate (“CRE”) |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 451 | 3,722
Commercial lending | Accruing Loans 30-59 Days Past Due | Real estate loan | Multifamily residential |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 830 | 5,320
Commercial lending | Accruing Loans 30-59 Days Past Due | Construction and land |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 0 | 0
Commercial lending | Accruing Loans 30-59 Days Past Due | Total CRE |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 1,281 | 9,042
Commercial lending | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 234 | 4,108
Commercial lending | Accruing Loans 60-89 Days Past Due | Commercial and industrial (“C&I”) |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 33 | 4,086
Commercial lending | Accruing Loans 60-89 Days Past Due | Commercial real estate (“CRE”) |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 201 | 0
Commercial lending | Accruing Loans 60-89 Days Past Due | Real estate loan | Multifamily residential |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 0 | 22
Commercial lending | Accruing Loans 60-89 Days Past Due | Construction and land |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 0 | 0
Commercial lending | Accruing Loans 60-89 Days Past Due | Total CRE |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 201 | 22
Consumer lending |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 37,140 | 24,216
Loans held-for-investment | 12,598,650 | 11,366,035
Consumer lending | Real estate loan | Single-family residential |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 27,426 | 15,720
Loans held-for-investment | 10,234,473 | 9,093,702
Consumer lending | HELOCs |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 9,703 | 8,444
Loans held-for-investment | 2,280,080 | 2,144,821
Consumer lending | Total residential mortgage |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 37,129 | 24,164
Loans held-for-investment | 12,514,553 | 11,238,523
Consumer lending | Other consumer |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 11 | 52
Loans held-for-investment | 84,097 | 127,512
Consumer lending | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 12,533,831 | 11,317,097
Consumer lending | Current Accruing Loans | Real estate loan | Single-family residential |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 10,186,333 | 9,059,222
Consumer lending | Current Accruing Loans | HELOCs |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 2,263,510 | 2,130,523
Consumer lending | Current Accruing Loans | Total residential mortgage |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 12,449,843 | 11,189,745
Consumer lending | Current Accruing Loans | Other consumer |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 83,988 | 127,352
Consumer lending | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 27,679 | 24,722
Consumer lending | Total Accruing Past Due Loans | Real estate loan | Single-family residential |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 20,714 | 18,760
Consumer lending | Total Accruing Past Due Loans | HELOCs |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 6,867 | 5,854
Consumer lending | Total Accruing Past Due Loans | Total residential mortgage |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 27,581 | 24,614
Consumer lending | Total Accruing Past Due Loans | Other consumer |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 98 | 108
Consumer lending | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 20,064 | 15,066
Consumer lending | Accruing Loans 30-59 Days Past Due | Real estate loan | Single-family residential |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 13,718 | 10,191
Consumer lending | Accruing Loans 30-59 Days Past Due | HELOCs |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 6,254 | 4,776
Consumer lending | Accruing Loans 30-59 Days Past Due | Total residential mortgage |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 19,972 | 14,967
Consumer lending | Accruing Loans 30-59 Days Past Due | Other consumer |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 92 | 99
Consumer lending | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 7,615 | 9,656
Consumer lending | Accruing Loans 60-89 Days Past Due | Real estate loan | Single-family residential |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 6,996 | 8,569
Consumer lending | Accruing Loans 60-89 Days Past Due | HELOCs |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 613 | 1,078
Consumer lending | Accruing Loans 60-89 Days Past Due | Total residential mortgage |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 7,609 | 9,647
Consumer lending | Accruing Loans 60-89 Days Past Due | Other consumer |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | $ 6 | $ 9

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