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Loans Receivable and Allowance for Credit Losses - Aging Analysis on Loans Held-for-Investment (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | $ 82,543 | $ 93,181
Loans held-for-investment | 47,442,255 | 41,693,781
Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 47,310,099 | 41,555,745
Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 49,613 | 44,855
Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 39,110 | 31,091
Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 10,503 | 13,764
Commercial lending |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 59,197 | 68,965
Loans held-for-investment | 34,314,425 | 30,327,746
Commercial lending | Commercial and industrial (“C&I”) |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 47,988 | 59,023
Loans held-for-investment | 15,625,072 | 14,150,608
Commercial lending | Commercial real estate (“CRE”) |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 11,035 | 9,498
Loans held-for-investment | 13,573,157 | 12,155,047
Commercial lending | Real estate loan | Multifamily residential |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 174 | 444
Loans held-for-investment | 4,559,302 | 3,675,605
Commercial lending | Construction and land |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 0 | 0
Loans held-for-investment | 556,894 | 346,486
Commercial lending | Total CRE |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 11,209 | 9,942
Loans held-for-investment | 18,689,353 | 16,177,138
Commercial lending | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 34,232,850 | 30,238,648
Commercial lending | Current Accruing Loans | Commercial and industrial (“C&I”) |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 15,556,124 | 14,080,516
Commercial lending | Current Accruing Loans | Commercial real estate (“CRE”) |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 13,561,499 | 12,141,827
Commercial lending | Current Accruing Loans | Real estate loan | Multifamily residential |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 4,558,333 | 3,669,819
Commercial lending | Current Accruing Loans | Construction and land |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 556,894 | 346,486
Commercial lending | Current Accruing Loans | Total CRE |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 18,676,726 | 16,158,132
Commercial lending | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 22,378 | 20,133
Commercial lending | Total Accruing Past Due Loans | Commercial and industrial (“C&I”) |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 20,960 | 11,069
Commercial lending | Total Accruing Past Due Loans | Commercial real estate (“CRE”) |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 623 | 3,722
Commercial lending | Total Accruing Past Due Loans | Real estate loan | Multifamily residential |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 795 | 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 | 1,418 | 9,064
Commercial lending | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 22,161 | 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 | 20,877 | 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 | 489 | 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 | 795 | 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 | 1,284 | 9,042
Commercial lending | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 217 | 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 | 83 | 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 | 134 | 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 | 134 | 22
Consumer lending |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 23,346 | 24,216
Loans held-for-investment | 13,127,830 | 11,366,035
Consumer lending | Real estate loan | Single-family residential |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 12,741 | 15,720
Loans held-for-investment | 10,855,345 | 9,093,702
Consumer lending | HELOCs |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 10,568 | 8,444
Loans held-for-investment | 2,184,924 | 2,144,821
Consumer lending | Total residential mortgage |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 23,309 | 24,164
Loans held-for-investment | 13,040,269 | 11,238,523
Consumer lending | Other consumer |  |
Current, Past Due or Nonaccrual Loans |  |
Total Nonaccrual Loans | 37 | 52
Loans held-for-investment | 87,561 | 127,512
Consumer lending | Current Accruing Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 13,077,249 | 11,317,097
Consumer lending | Current Accruing Loans | Real estate loan | Single-family residential |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 10,820,365 | 9,059,222
Consumer lending | Current Accruing Loans | HELOCs |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 2,169,440 | 2,130,523
Consumer lending | Current Accruing Loans | Total residential mortgage |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 12,989,805 | 11,189,745
Consumer lending | Current Accruing Loans | Other consumer |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 87,444 | 127,352
Consumer lending | Total Accruing Past Due Loans |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 27,235 | 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 | 22,239 | 18,760
Consumer lending | Total Accruing Past Due Loans | HELOCs |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 4,916 | 5,854
Consumer lending | Total Accruing Past Due Loans | Total residential mortgage |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 27,155 | 24,614
Consumer lending | Total Accruing Past Due Loans | Other consumer |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 80 | 108
Consumer lending | Accruing Loans 30-59 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 16,949 | 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 | 13,914 | 10,191
Consumer lending | Accruing Loans 30-59 Days Past Due | HELOCs |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 2,992 | 4,776
Consumer lending | Accruing Loans 30-59 Days Past Due | Total residential mortgage |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 16,906 | 14,967
Consumer lending | Accruing Loans 30-59 Days Past Due | Other consumer |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 43 | 99
Consumer lending | Accruing Loans 60-89 Days Past Due |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 10,286 | 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 | 8,325 | 8,569
Consumer lending | Accruing Loans 60-89 Days Past Due | HELOCs |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 1,924 | 1,078
Consumer lending | Accruing Loans 60-89 Days Past Due | Total residential mortgage |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | 10,249 | 9,647
Consumer lending | Accruing Loans 60-89 Days Past Due | Other consumer |  |
Current, Past Due or Nonaccrual Loans |  |
Loans held-for-investment | $ 37 | $ 9

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