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Loans and Leases Aging Analysis of Loans and Leases Held for Investment (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable Recorded Investment Total Past Due | $ 180,193 | $ 144,188
Delinquent loans in loan portfolio |  |
30-89 Days Past Due |  | 113,307
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due |  | 30,881
Current | 23,601,470 | 25,345,499
Loans held for investment, net | 23,781,663 | 25,489,687
30 To 89 Days Past Due |  |
Delinquent loans in loan portfolio |  |
30-89 Days Past Due | 91,347 |
90 Or More Days Past Due |  |
Delinquent loans in loan portfolio |  |
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | 88,846 |
Mortgages [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable Recorded Investment Total Past Due | 159,316 | 128,491
Delinquent loans in loan portfolio |  |
Loans held for investment, net | 13,427,659 | 16,111,985
Loans And Leases Receivable Net Of Deferred Income, Not Past Due | 13,268,343 | 15,983,494
Mortgages [Member] | 30 To 89 Days Past Due |  |
Delinquent loans in loan portfolio |  |
30-89 Days Past Due | 77,919 | 107,962
Mortgages [Member] | 90 Or More Days Past Due |  |
Delinquent loans in loan portfolio |  |
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | 81,397 | 20,529
Real Estate Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable Recorded Investment Total Past Due | 0 | 0
Delinquent loans in loan portfolio |  |
Loans held for investment, net | 3,172,293 | 3,159,269
Loans And Leases Receivable Net Of Deferred Income, Not Past Due | 3,172,293 | 3,159,269
Real Estate Construction [Member] | 30 To 89 Days Past Due |  |
Delinquent loans in loan portfolio |  |
30-89 Days Past Due | 0 | 0
Real Estate Construction [Member] | 90 Or More Days Past Due |  |
Delinquent loans in loan portfolio |  |
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | 0 | 0
Commercial Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable Recorded Investment Total Past Due | 17,580 | 11,566
Delinquent loans in loan portfolio |  |
30-89 Days Past Due |  | 1,884
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due |  | 9,682
Current | 6,761,249 | 5,753,741
Loans held for investment, net | 6,778,829 | 5,765,307
Commercial Portfolio Segment [Member] | 30 To 89 Days Past Due |  |
Delinquent loans in loan portfolio |  |
30-89 Days Past Due | 10,624 |
Commercial Portfolio Segment [Member] | 90 Or More Days Past Due |  |
Delinquent loans in loan portfolio |  |
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | 6,956 |
Consumer Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable Recorded Investment Total Past Due | 3,297 | 4,131
Delinquent loans in loan portfolio |  |
30-89 Days Past Due |  | 3,461
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due |  | 670
Current | 399,585 | 448,995
Loans held for investment, net | 402,882 | 453,126
Consumer Portfolio Segment [Member] | 30 To 89 Days Past Due |  |
Delinquent loans in loan portfolio |  |
30-89 Days Past Due | 2,804 |
Consumer Portfolio Segment [Member] | 90 Or More Days Past Due |  |
Delinquent loans in loan portfolio |  |
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | 493 |
Asset-based | Commercial Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable Recorded Investment Total Past Due | 1,795 | 3,297
Delinquent loans in loan portfolio |  |
30-89 Days Past Due |  | 608
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due |  | 2,689
Current | 2,086,174 | 2,185,788
Loans held for investment, net | 2,087,969 | 2,189,085
Asset-based | Commercial Portfolio Segment [Member] | 30 To 89 Days Past Due |  |
Delinquent loans in loan portfolio |  |
30-89 Days Past Due | 1,795 |
Asset-based | Commercial Portfolio Segment [Member] | 90 Or More Days Past Due |  |
Delinquent loans in loan portfolio |  |
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | 0 |
Venture capital | Commercial Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable Recorded Investment Total Past Due | 5,534 | 0
Delinquent loans in loan portfolio |  |
30-89 Days Past Due |  | 0
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due |  | 0
Current | 1,532,242 | 1,446,362
Loans held for investment, net | 1,537,776 | 1,446,362
Venture capital | Commercial Portfolio Segment [Member] | 30 To 89 Days Past Due |  |
Delinquent loans in loan portfolio |  |
30-89 Days Past Due | 5,534 |
Venture capital | Commercial Portfolio Segment [Member] | 90 Or More Days Past Due |  |
Delinquent loans in loan portfolio |  |
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | 0 |
Other commercial | Commercial Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable Recorded Investment Total Past Due | 10,251 | 8,269
Delinquent loans in loan portfolio |  |
30-89 Days Past Due |  | 1,276
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due |  | 6,993
Current | 3,142,833 | 2,121,591
Loans held for investment, net | 3,153,084 | 2,129,860
Other commercial | Commercial Portfolio Segment [Member] | 30 To 89 Days Past Due |  |
Delinquent loans in loan portfolio |  |
30-89 Days Past Due | 3,295 |
Other commercial | Commercial Portfolio Segment [Member] | 90 Or More Days Past Due |  |
Delinquent loans in loan portfolio |  |
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | 6,956 |
Commercial Real Estate Construction Loan Receivable [Member] | Real Estate Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable Recorded Investment Total Past Due | 0 | 0
Delinquent loans in loan portfolio |  |
Loans held for investment, net | 799,131 | 759,585
Loans And Leases Receivable Net Of Deferred Income, Not Past Due | 799,131 | 759,585
Commercial Real Estate Construction Loan Receivable [Member] | Real Estate Construction [Member] | 30 To 89 Days Past Due |  |
Delinquent loans in loan portfolio |  |
30-89 Days Past Due | 0 | 0
Commercial Real Estate Construction Loan Receivable [Member] | Real Estate Construction [Member] | 90 Or More Days Past Due |  |
Delinquent loans in loan portfolio |  |
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | 0 | 0
Residential Real Estate Construction Financing Receivable [Member] | Real Estate Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable Recorded Investment Total Past Due | 0 | 0
Delinquent loans in loan portfolio |  |
Loans held for investment, net | 2,373,162 | 2,399,684
Loans And Leases Receivable Net Of Deferred Income, Not Past Due | 2,373,162 | 2,399,684
Residential Real Estate Construction Financing Receivable [Member] | Real Estate Construction [Member] | 30 To 89 Days Past Due |  |
Delinquent loans in loan portfolio |  |
30-89 Days Past Due | 0 | 0
Residential Real Estate Construction Financing Receivable [Member] | Real Estate Construction [Member] | 90 Or More Days Past Due |  |
Delinquent loans in loan portfolio |  |
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | 0 | 0
Commercial Real Estate [Member] | Mortgages [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable Recorded Investment Total Past Due | 50,261 | 27,786
Delinquent loans in loan portfolio |  |
Loans held for investment, net | 4,578,772 | 5,026,497
Loans And Leases Receivable Net Of Deferred Income, Not Past Due | 4,528,511 | 4,998,711
Commercial Real Estate [Member] | Mortgages [Member] | 30 To 89 Days Past Due |  |
Delinquent loans in loan portfolio |  |
30-89 Days Past Due | 27,700 | 12,618
Commercial Real Estate [Member] | Mortgages [Member] | 90 Or More Days Past Due |  |
Delinquent loans in loan portfolio |  |
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | 22,561 | 15,168
Residential Real Estate [Member] | Mortgages [Member] |  |
Delinquent loans in loan portfolio |  |
Loans held for investment, net | 6,041,713 | 6,025,179
Multi-Family Real Estate Loans | Mortgages [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable Recorded Investment Total Past Due | 32,206 | 3,322
Delinquent loans in loan portfolio |  |
Loans held for investment, net | 6,041,713 | 6,025,179
Loans And Leases Receivable Net Of Deferred Income, Not Past Due | 6,009,507 | 6,021,857
Multi-Family Real Estate Loans | Mortgages [Member] | 30 To 89 Days Past Due |  |
Delinquent loans in loan portfolio |  |
30-89 Days Past Due | 10,346 | 2,302
Multi-Family Real Estate Loans | Mortgages [Member] | 90 Or More Days Past Due |  |
Delinquent loans in loan portfolio |  |
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | 21,860 | 1,020
Other Residential Real Estate | Mortgages [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable Recorded Investment Total Past Due | 76,849 | 97,383
Delinquent loans in loan portfolio |  |
Loans held for investment, net | 2,807,174 | 5,060,309
Loans And Leases Receivable Net Of Deferred Income, Not Past Due | 2,730,325 | 4,962,926
Other Residential Real Estate | Mortgages [Member] | 30 To 89 Days Past Due |  |
Delinquent loans in loan portfolio |  |
30-89 Days Past Due | 39,873 | 93,042
Other Residential Real Estate | Mortgages [Member] | 90 Or More Days Past Due |  |
Delinquent loans in loan portfolio |  |
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | $ 36,976 | $ 4,341

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