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Loans and Leases - Nonaccrual Loans and Leases by Loan Portfolio Segment and Class (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | $ 117,070 |  | $ 104,886 | $ 117,070 | $ 104,886 | $ 62,527
Financing Receivable, Nonaccrual, Interest Income | 49 |  | 104 | 53 | 107 |
Loans held for investment, net | 23,228,909 |  | 22,258,210 | 23,228,909 | 22,258,210 | 25,489,687
Leased equipment depreciation | 7,511 | $ 7,520 | 9,088 | 15,031 | 18,463 |
Performing |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Loans held for investment, net | 23,111,839 |  |  | 23,111,839 |  | 25,427,160
Real Estate Mortgage |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 95,264 |  | 100,817 | 95,264 | 100,817 | 47,730
Financing Receivable, Nonaccrual, Interest Income | 4 |  | 104 | 8 | 107 |
Loans held for investment, net | 13,573,600 |  | 14,288,042 | 13,573,600 | 14,288,042 | 16,111,985
Real Estate Mortgage | Performing |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Loans held for investment, net | 13,478,336 |  |  | 13,478,336 |  | 16,064,255
Real Estate Construction and Land |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 0 |  | 0 | 0 | 0 | 0
Financing Receivable, Nonaccrual, Interest Income | 0 |  | 0 | 0 | 0 |
Loans held for investment, net | 3,357,597 |  | 2,465,523 | 3,357,597 | 2,465,523 | 3,159,269
Real Estate Construction and Land | Performing |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Loans held for investment, net | 3,357,597 |  |  | 3,357,597 |  | 3,159,269
Commercial |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 21,006 |  | 3,864 | 21,006 | 3,864 | 13,986
Financing Receivable, Nonaccrual, Interest Income | 45 |  | 0 | 45 | 0 |
Loans held for investment, net | 5,871,809 |  | 5,094,786 | 5,871,809 | 5,094,786 | 5,765,307
Commercial | Performing |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Loans held for investment, net | 5,850,803 |  |  | 5,850,803 |  | 5,751,321
Consumer |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 800 |  | 205 | 800 | 205 | 811
Financing Receivable, Nonaccrual, Interest Income | 0 |  | 0 | 0 | 0 |
Loans held for investment, net | 425,903 |  | 409,859 | 425,903 | 409,859 | 453,126
Consumer | Performing |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Loans held for investment, net | 425,103 |  |  | 425,103 |  | 452,315
Finance Receivable Allowance | Consumer |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 800 |  | 205 | 800 | 205 |
Financing Receivable, Nonaccrual, Interest Income | 0 |  | 0 | 0 | 0 |
No Finance Receivable Allowance | Consumer |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Financing Receivable, Nonaccrual, Interest Income | 0 |  | 0 | 0 | 0 |
Financing Receivable, Nonaccrual, No Allowance | 0 |  | 0 | 0 | 0 |
Commercial | Real Estate Mortgage |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 62,498 |  |  | 62,498 |  | 15,669
Financing Receivable, Nonaccrual, No Allowance | 62,288 |  | 37,134 | 62,288 | 37,134 |
Loans held for investment, net | 4,722,585 |  |  | 4,722,585 |  | 5,026,497
Commercial | Real Estate Mortgage | Performing |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Loans held for investment, net | 4,660,087 |  |  | 4,660,087 |  | 5,010,828
Commercial | Finance Receivable Allowance | Real Estate Mortgage |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 210 |  | 57 | 210 | 57 |
Financing Receivable, Nonaccrual, Interest Income | 0 |  | 0 | 0 | 0 |
Commercial | No Finance Receivable Allowance | Real Estate Mortgage |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Financing Receivable, Nonaccrual, Interest Income | 4 |  | 104 | 8 | 107 |
Multi-Family Real Estate Loans | Real Estate Mortgage |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 934 |  |  | 934 |  | 1,020
Financing Receivable, Nonaccrual, No Allowance | 934 |  | 0 | 934 | 0 |
Loans held for investment, net | 5,984,930 |  |  | 5,984,930 |  | 6,025,179
Multi-Family Real Estate Loans | Real Estate Mortgage | Performing |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Loans held for investment, net | 5,983,996 |  |  | 5,983,996 |  | 6,024,159
Multi-Family Real Estate Loans | Finance Receivable Allowance | Real Estate Mortgage |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 0 |  | 0 | 0 | 0 |
Financing Receivable, Nonaccrual, Interest Income | 0 |  | 0 | 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 | 0 | 0 |
Other Residential Real Estate | Real Estate Mortgage |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 31,832 |  |  | 31,832 |  | 31,041
Financing Receivable, Nonaccrual, No Allowance | 31,549 |  | 63,230 | 31,549 | 63,230 |
Loans held for investment, net | 2,866,085 |  |  | 2,866,085 |  | 5,060,309
Other Residential Real Estate | Real Estate Mortgage | Performing |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Loans held for investment, net | 2,834,253 |  |  | 2,834,253 |  | 5,029,268
Other Residential Real Estate | Finance Receivable Allowance | Real Estate Mortgage |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 283 |  | 396 | 283 | 396 |
Financing Receivable, Nonaccrual, Interest Income | 0 |  | 0 | 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 | 0 | 0 |
Commercial Real Estate Construction Loan Receivable | Real Estate Construction and Land |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 0 |  |  | 0 |  | 0
Financing Receivable, Nonaccrual, No Allowance | 0 |  | 0 | 0 | 0 |
Loans held for investment, net | 784,166 |  |  | 784,166 |  | 759,585
Commercial Real Estate Construction Loan Receivable | Real Estate Construction and Land | Performing |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Loans held for investment, net | 784,166 |  |  | 784,166 |  | 759,585
Commercial Real Estate Construction Loan Receivable | Finance Receivable Allowance | Real Estate Construction and Land |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 0 |  | 0 | 0 | 0 |
Financing Receivable, Nonaccrual, Interest Income | 0 |  | 0 | 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 | 0 | 0 |
Residential Real Estate Construction Financing Receivable | Real Estate Construction and Land |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 0 |  |  | 0 |  | 0
Financing Receivable, Nonaccrual, No Allowance | 0 |  | 0 | 0 | 0 |
Loans held for investment, net | 2,573,431 |  |  | 2,573,431 |  | 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 | 2,573,431 |  |  | 2,573,431 |  | 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 | 0 | 0 |
Financing Receivable, Nonaccrual, Interest Income | 0 |  | 0 |  | 0 |
Leased equipment depreciation | 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 | 0 | 0 |
Venture Capital Loans | Commercial |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 0 |  |  | 0 |  | 325
Financing Receivable, Nonaccrual, No Allowance | 0 |  | 0 | 0 | 0 |
Loans held for investment, net | 1,456,122 |  |  | 1,456,122 |  | 1,446,362
Venture Capital Loans | Commercial | Performing |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Loans held for investment, net | 1,456,122 |  |  | 1,456,122 |  | 1,446,037
Venture Capital Loans | Finance Receivable Allowance | Commercial |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 0 |  | 0 | 0 | 0 |
Financing Receivable, Nonaccrual, Interest Income | 0 |  | 0 | 0 | 0 |
Venture Capital Loans | No Finance Receivable Allowance | Commercial |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Financing Receivable, Nonaccrual, Interest Income | 0 |  | 0 | 0 | 0 |
Other Commercial |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Financing Receivable, Nonaccrual, No Allowance | 11,211 |  | 2,741 | 11,211 | 2,741 |
Other Commercial | Commercial |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 12,925 |  |  | 12,925 |  | 10,972
Loans held for investment, net | 2,446,974 |  |  | 2,446,974 |  | 2,129,860
Other Commercial | Commercial | Performing |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Loans held for investment, net | 2,434,049 |  |  | 2,434,049 |  | 2,118,888
Other Commercial | Finance Receivable Allowance | Commercial |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 1,714 |  | 738 | 1,714 | 738 |
Financing Receivable, Nonaccrual, Interest Income | 0 |  | 0 | 0 | 0 |
Other Commercial | No Finance Receivable Allowance |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Financing Receivable, Nonaccrual, Interest Income | 45 |  | 0 | 45 | 0 |
Asset Based [Member] | Commercial |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 8,081 |  |  | 8,081 |  | 2,689
Financing Receivable, Nonaccrual, No Allowance | 8,081 |  | 385 | 8,081 | 385 |
Loans held for investment, net | 1,968,713 |  |  | 1,968,713 |  | 2,189,085
Asset Based [Member] | Commercial | Performing |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Loans held for investment, net | 1,960,632 |  |  | 1,960,632 |  | $ 2,186,396
Asset Based [Member] | Finance Receivable Allowance | Commercial |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Nonaccrual | 0 |  | 0 | 0 | 0 |
Financing Receivable, Nonaccrual, Interest Income | 0 |  | 0 | 0 | 0 |
Asset Based [Member] | No Finance Receivable Allowance | Commercial |  |  |  |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |  |  |  |
Financing Receivable, Nonaccrual, Interest Income | $ 0 |  | $ 0 | $ 0 | $ 0 |

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