v3.26.1
Loans and Leases Held for Investment and Credit Quality - Schedule of Nonaccrual Loans and Leases (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance $ 444,200 $ 501,157
Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 327,409 399,786
Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 116,791 101,371
Unguaranteed Exposure with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 75,679 45,079
Commercial & Industrial    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 244,674 318,189
Commercial & Industrial | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 190,033 195,342
Commercial & Industrial | Commercial Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 54,641 122,847
Commercial & Industrial | Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 198,191 280,921
Commercial & Industrial | Guaranteed Balance | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 168,255 169,818
Commercial & Industrial | Guaranteed Balance | Commercial Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 29,936 111,103
Commercial & Industrial | Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 46,483 37,268
Commercial & Industrial | Unguaranteed Balance | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 21,778 25,524
Commercial & Industrial | Unguaranteed Balance | Commercial Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 24,705 11,744
Commercial & Industrial | Unguaranteed Exposure with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 32,612 9,580
Commercial & Industrial | Unguaranteed Exposure with No ACL | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 13,234 7,438
Commercial & Industrial | Unguaranteed Exposure with No ACL | Commercial Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 19,378 2,142
Construction & Development    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 12,915 13,282
Construction & Development | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 12,915 13,282
Construction & Development | Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 10,481 10,620
Construction & Development | Guaranteed Balance | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 10,481 10,620
Construction & Development | Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 2,434 2,662
Construction & Development | Unguaranteed Balance | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 2,434 2,662
Construction & Development | Unguaranteed Exposure with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 1,042 1,342
Construction & Development | Unguaranteed Exposure with No ACL | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 1,042 1,342
Commercial Real Estate    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 182,105 163,239
Commercial Real Estate | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 146,514 127,141
Commercial Real Estate | Commercial Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 35,591 36,098
Commercial Real Estate | Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 114,615 102,553
Commercial Real Estate | Guaranteed Balance | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 103,341 91,099
Commercial Real Estate | Guaranteed Balance | Commercial Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 11,274 11,454
Commercial Real Estate | Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 67,490 60,686
Commercial Real Estate | Unguaranteed Balance | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 43,173 36,042
Commercial Real Estate | Unguaranteed Balance | Commercial Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 24,317 24,644
Commercial Real Estate | Unguaranteed Exposure with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 41,880 33,624
Commercial Real Estate | Unguaranteed Exposure with No ACL | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 25,483 17,207
Commercial Real Estate | Unguaranteed Exposure with No ACL | Commercial Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 16,397 16,417
Commercial Land    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 4,506 6,447
Commercial Land | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 4,506 6,447
Commercial Land | Guaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 4,122 5,692
Commercial Land | Guaranteed Balance | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 4,122 5,692
Commercial Land | Unguaranteed Balance    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 384 755
Commercial Land | Unguaranteed Balance | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual loan and lease balance 384 755
Commercial Land | Unguaranteed Exposure with No ACL    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance 145 533
Commercial Land | Unguaranteed Exposure with No ACL | Small Business Banking    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Unguaranteed exposure with no allowance $ 145 $ 533