v3.26.1
Loans and Leases Held for Investment and Credit Quality - Schedule of Nonaccrual Loans and Leases (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance $ 470,755 $ 501,157
Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 346,419 399,786
Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 124,336 101,371
Unguaranteed Balance with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 89,676 45,079
Commercial & Industrial    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 241,280 318,189
Commercial & Industrial | Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 198,666 280,921
Commercial & Industrial | Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 42,614 37,268
Commercial & Industrial | Unguaranteed Balance with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 29,497 9,580
Commercial & Industrial | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 189,806 195,342
Commercial & Industrial | Small Business Banking | Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 165,415 169,818
Commercial & Industrial | Small Business Banking | Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 24,391 25,524
Commercial & Industrial | Small Business Banking | Unguaranteed Balance with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 16,451 7,438
Commercial & Industrial | Commercial Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 51,474 122,847
Commercial & Industrial | Commercial Banking | Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 33,251 111,103
Commercial & Industrial | Commercial Banking | Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 18,223 11,744
Commercial & Industrial | Commercial Banking | Unguaranteed Balance with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 13,046 2,142
Construction & Development    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 12,284 13,282
Construction & Development | Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 10,071 10,620
Construction & Development | Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 2,213 2,662
Construction & Development | Unguaranteed Balance with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 910 1,342
Construction & Development | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 12,284 13,282
Construction & Development | Small Business Banking | Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 10,071 10,620
Construction & Development | Small Business Banking | Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 2,213 2,662
Construction & Development | Small Business Banking | Unguaranteed Balance with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 910 1,342
Commercial Real Estate    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 204,434 163,239
Commercial Real Estate | Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 130,450 102,553
Commercial Real Estate | Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 73,984 60,686
Commercial Real Estate | Unguaranteed Balance with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 53,979 33,624
Commercial Real Estate | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 173,061 127,141
Commercial Real Estate | Small Business Banking | Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 122,968 91,099
Commercial Real Estate | Small Business Banking | Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 50,093 36,042
Commercial Real Estate | Small Business Banking | Unguaranteed Balance with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 30,088 17,207
Commercial Real Estate | Commercial Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 31,373 36,098
Commercial Real Estate | Commercial Banking | Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 7,482 11,454
Commercial Real Estate | Commercial Banking | Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 23,891 24,644
Commercial Real Estate | Commercial Banking | Unguaranteed Balance with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 23,891 16,417
Commercial Land    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 12,757 6,447
Commercial Land | Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 7,232 5,692
Commercial Land | Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 5,525 755
Commercial Land | Unguaranteed Balance with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 5,290 533
Commercial Land | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 12,757 6,447
Commercial Land | Small Business Banking | Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 7,232 5,692
Commercial Land | Small Business Banking | Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 5,525 755
Commercial Land | Small Business Banking | Unguaranteed Balance with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance $ 5,290 $ 533