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Loans and Leases Credit Risk Rating Categories (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual | $ 189,605 | $ 62,527
Loans held for investment, net | 23,781,663 | 25,489,687
Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual | 167,206 | 47,730
Loans held for investment, net | 13,427,659 | 16,111,985
Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual | 0 | 0
Loans held for investment, net | 3,172,293 | 3,159,269
Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual | 21,775 | 13,986
Loans held for investment, net | 6,778,829 | 5,765,307
Consumer Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual | 624 | 811
Loans held for investment, net | 402,882 | 453,126
Classified [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 563,502 | 228,417
Classified [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 462,435 | 188,848
Classified [Member] | Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 0 | 0
Classified [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 100,358 | 38,410
Classified [Member] | Consumer Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 709 | 1,159
Special Mention [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 1,097,315 | 513,312
Special Mention [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 565,055 | 382,240
Special Mention [Member] | Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 351,244 | 2,757
Special Mention [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 173,608 | 121,123
Special Mention [Member] | Consumer Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 7,408 | 7,192
Pass [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 22,120,846 | 24,747,958
Pass [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 12,400,169 | 15,540,897
Pass [Member] | Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 2,821,049 | 3,156,512
Pass [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 6,504,863 | 5,605,774
Pass [Member] | Consumer Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 394,765 | 444,775
Performing Financing Receivable [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 23,592,058 | 25,427,160
Performing Financing Receivable [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 13,260,453 | 16,064,255
Performing Financing Receivable [Member] | Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 3,172,293 | 3,159,269
Performing Financing Receivable [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 6,757,054 | 5,751,321
Performing Financing Receivable [Member] | Consumer Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 402,258 | 452,315
Asset-based | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual | 1,940 | 2,689
Loans held for investment, net | 2,087,969 | 2,189,085
Asset-based | Classified [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 5,003 | 4,561
Asset-based | Special Mention [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 9,547 | 12,506
Asset-based | Pass [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 2,073,419 | 2,172,018
Asset-based | Performing Financing Receivable [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 2,086,029 | 2,186,396
Venture capital | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual | 6,291 | 325
Loans held for investment, net | 1,537,776 | 1,446,362
Venture capital | Classified [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 75,406 | 7,805
Venture capital | Special Mention [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 125,320 | 98,633
Venture capital | Pass [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 1,337,050 | 1,339,924
Venture capital | Performing Financing Receivable [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 1,531,485 | 1,446,037
Other commercial | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual | 13,544 | 10,972
Loans held for investment, net | 3,153,084 | 2,129,860
Other commercial | Classified [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 19,949 | 26,044
Other commercial | Special Mention [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 38,741 | 9,984
Other commercial | Pass [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 3,094,394 | 2,093,832
Other commercial | Performing Financing Receivable [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 3,139,540 | 2,118,888
Commercial Real Estate Construction Loan Receivable [Member] | Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual | 0 | 0
Loans held for investment, net | 799,131 | 759,585
Commercial Real Estate Construction Loan Receivable [Member] | Classified [Member] | Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 0 | 0
Commercial Real Estate Construction Loan Receivable [Member] | Special Mention [Member] | Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 148,024 | 0
Commercial Real Estate Construction Loan Receivable [Member] | Pass [Member] | Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 651,107 | 759,585
Commercial Real Estate Construction Loan Receivable [Member] | Performing Financing Receivable [Member] | Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 799,131 | 759,585
Residential Real Estate Construction Financing Receivable [Member] | Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual | 0 | 0
Loans held for investment, net | 2,373,162 | 2,399,684
Residential Real Estate Construction Financing Receivable [Member] | Classified [Member] | Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 0 | 0
Residential Real Estate Construction Financing Receivable [Member] | Special Mention [Member] | Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 203,220 | 2,757
Residential Real Estate Construction Financing Receivable [Member] | Pass [Member] | Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 2,169,942 | 2,396,927
Residential Real Estate Construction Financing Receivable [Member] | Performing Financing Receivable [Member] | Real Estate Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 2,373,162 | 2,399,684
Commercial Real Estate [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual | 97,655 | 15,669
Loans held for investment, net | 4,578,772 | 5,026,497
Commercial Real Estate [Member] | Classified [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 301,278 | 75,739
Commercial Real Estate [Member] | Special Mention [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 348,014 | 219,687
Commercial Real Estate [Member] | Pass [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 3,929,480 | 4,731,071
Commercial Real Estate [Member] | Performing Financing Receivable [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 4,481,117 | 5,010,828
Residential Real Estate [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 6,041,713 | 6,025,179
Multi-Family Real Estate Loans | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual | 22,763 | 1,020
Loans held for investment, net | 6,041,713 | 6,025,179
Multi-Family Real Estate Loans | Classified [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 113,164 | 74,954
Multi-Family Real Estate Loans | Special Mention [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 202,690 | 108,356
Multi-Family Real Estate Loans | Pass [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 5,725,859 | 5,841,869
Multi-Family Real Estate Loans | Performing Financing Receivable [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 6,018,950 | 6,024,159
Other Residential Real Estate | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual | 46,788 | 31,041
Loans held for investment, net | 2,807,174 | 5,060,309
Other Residential Real Estate | Classified [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 47,993 | 38,155
Other Residential Real Estate | Special Mention [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 14,351 | 54,197
Other Residential Real Estate | Pass [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | 2,744,830 | 4,967,957
Other Residential Real Estate | Performing Financing Receivable [Member] | Mortgages [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment, net | $ 2,760,386 | $ 5,029,268

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