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Loans and Leases - Nonaccrual Loans and Leases by Loan Portfolio Segment and Class (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | $ 145,785 | $ 87,124 | $ 62,527
Financing Receivable, Nonaccrual, Interest Income | 5 | 4 |
Loans held for investment, net | 25,473,022 | 25,672,381 | 25,489,687
Performing |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Loans held for investment, net | 25,327,237 |  | 25,427,160
Real Estate Mortgage |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 129,234 | 83,056 | 47,730
Financing Receivable, Nonaccrual, Interest Income | 5 | 3 |
Loans held for investment, net | 15,967,399 | 15,407,611 | 16,111,985
Real Estate Mortgage | Performing |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Loans held for investment, net | 15,838,165 |  | 16,064,255
Real Estate Construction and Land |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 0 | 0 | 0
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Loans held for investment, net | 3,245,354 | 4,608,440 | 3,159,269
Real Estate Construction and Land | Performing |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Loans held for investment, net | 3,245,354 |  | 3,159,269
Commercial |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 15,715 | 3,543 | 13,986
Financing Receivable, Nonaccrual, Interest Income | 0 | 1 |
Loans held for investment, net | 5,820,567 | 5,229,107 | 5,765,307
Commercial | Performing |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Loans held for investment, net | 5,804,852 |  | 5,751,321
Consumer |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 836 | 525 | 811
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Loans held for investment, net | 439,702 | 427,223 | 453,126
Consumer | Performing |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Loans held for investment, net | 438,866 |  | 452,315
Finance Receivable Allowance | Consumer |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 832 | 525 |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
No Finance Receivable Allowance | Consumer |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Financing Receivable, Nonaccrual, No Allowance | 4 | 0 |
Commercial | Real Estate Mortgage |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 66,527 |  | 15,669
Financing Receivable, Nonaccrual, No Allowance | 34,421 | 32,936 |
Loans held for investment, net | 4,896,544 |  | 5,026,497
Commercial | Real Estate Mortgage | Performing |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Loans held for investment, net | 4,830,017 |  | 5,010,828
Commercial | Finance Receivable Allowance | Real Estate Mortgage |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 32,106 | 60 |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Commercial | No Finance Receivable Allowance | Real Estate Mortgage |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Financing Receivable, Nonaccrual, Interest Income | 5 | 3 |
Multi-Family Real Estate Loans | Real Estate Mortgage |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 953 |  | 1,020
Financing Receivable, Nonaccrual, No Allowance | 953 | 0 |
Loans held for investment, net | 6,121,472 |  | 6,025,179
Multi-Family Real Estate Loans | Real Estate Mortgage | Performing |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Loans held for investment, net | 6,120,519 |  | 6,024,159
Multi-Family Real Estate Loans | Finance Receivable Allowance | Real Estate Mortgage |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 0 | 0 |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Multi-Family Real Estate Loans | No Finance Receivable Allowance | Real Estate Mortgage |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Other Residential Real Estate | Real Estate Mortgage |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 61,754 |  | 31,041
Financing Receivable, Nonaccrual, No Allowance | 61,365 | 49,696 |
Loans held for investment, net | 4,949,383 |  | 5,060,309
Other Residential Real Estate | Real Estate Mortgage | Performing |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Loans held for investment, net | 4,887,629 |  | 5,029,268
Other Residential Real Estate | Finance Receivable Allowance | Real Estate Mortgage |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 389 | 364 |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Other Residential Real Estate | No Finance Receivable Allowance | Real Estate Mortgage |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Commercial Real Estate Construction Loan Receivable | Real Estate Construction and Land |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 0 |  | 0
Financing Receivable, Nonaccrual, No Allowance | 0 | 0 |
Loans held for investment, net | 775,021 |  | 759,585
Commercial Real Estate Construction Loan Receivable | Real Estate Construction and Land | Performing |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Loans held for investment, net | 775,021 |  | 759,585
Commercial Real Estate Construction Loan Receivable | Finance Receivable Allowance | Real Estate Construction and Land |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 0 | 0 |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Commercial Real Estate Construction Loan Receivable | No Finance Receivable Allowance | Real Estate Construction and Land |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Residential Real Estate Construction Financing Receivable | Real Estate Construction and Land |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 0 |  | 0
Financing Receivable, Nonaccrual, No Allowance | 0 | 0 |
Loans held for investment, net | 2,470,333 |  | 2,399,684
Residential Real Estate Construction Financing Receivable | Real Estate Construction and Land | Performing |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Loans held for investment, net | 2,470,333 |  | 2,399,684
Residential Real Estate Construction Financing Receivable | Finance Receivable Allowance | Real Estate Construction and Land |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 0 | 0 |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Residential Real Estate Construction Financing Receivable | No Finance Receivable Allowance | Real Estate Construction and Land |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Venture Capital Loans | Commercial |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 0 |  | 325
Financing Receivable, Nonaccrual, No Allowance | 0 | 0 |
Loans held for investment, net | 1,513,641 |  | 1,446,362
Venture Capital Loans | Commercial | Performing |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Loans held for investment, net | 1,513,641 |  | 1,446,037
Venture Capital Loans | Finance Receivable Allowance | Commercial |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 0 | 0 |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Venture Capital Loans | No Finance Receivable Allowance | Commercial |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Other Commercial |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Financing Receivable, Nonaccrual, No Allowance | 12,574 | 2,196 |
Other Commercial | Commercial |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 13,390 |  | 10,972
Loans held for investment, net | 2,245,910 |  | 2,129,860
Other Commercial | Commercial | Performing |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Loans held for investment, net | 2,232,520 |  | 2,118,888
Other Commercial | Finance Receivable Allowance | Commercial |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 816 | 927 |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Other Commercial | No Finance Receivable Allowance |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Financing Receivable, Nonaccrual, Interest Income | 0 | 1 |
Asset Based [Member] | Commercial |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 2,325 |  | 2,689
Financing Receivable, Nonaccrual, No Allowance | 1,624 | 420 |
Loans held for investment, net | 2,061,016 |  | 2,189,085
Asset Based [Member] | Commercial | Performing |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Loans held for investment, net | 2,058,691 |  | $ 2,186,396
Asset Based [Member] | Finance Receivable Allowance | Commercial |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Nonaccrual | 701 | 0 |
Financing Receivable, Nonaccrual, Interest Income | 0 | 0 |
Asset Based [Member] | No Finance Receivable Allowance | Commercial |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Financing Receivable, Nonaccrual, Interest Income | $ 0 | $ 0 |

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