v3.26.1
Loans and Leases Held for Investment and Credit Quality - Schedule of Guaranteed and Unguaranteed Loan and Lease Balance by Asset Quality Indicator (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Financing Receivable Recorded Investment [Line Items]    
Total loans and leases receivable $ 12,436,582 $ 11,749,209
Guaranteed Balance    
Financing Receivable Recorded Investment [Line Items]    
Total loans and leases receivable 3,201,402 3,309,886
Unguaranteed Balance    
Financing Receivable Recorded Investment [Line Items]    
Total loans and leases receivable $ 9,235,180 $ 8,439,323
% Guaranteed    
Financing Receivable Recorded Investment [Line Items]    
% Guaranteed 25.70% 28.20%
Pass    
Financing Receivable Recorded Investment [Line Items]    
Total loans and leases receivable $ 11,205,904 $ 10,359,506
Pass | Guaranteed Balance    
Financing Receivable Recorded Investment [Line Items]    
Total loans and leases receivable 2,572,344 2,590,030
Pass | Unguaranteed Balance    
Financing Receivable Recorded Investment [Line Items]    
Total loans and leases receivable $ 8,633,560 $ 7,769,476
Pass | % Guaranteed    
Financing Receivable Recorded Investment [Line Items]    
% Guaranteed 23.00% 25.00%
Special Mention    
Financing Receivable Recorded Investment [Line Items]    
Total loans and leases receivable $ 644,481 $ 727,239
Special Mention | Guaranteed Balance    
Financing Receivable Recorded Investment [Line Items]    
Total loans and leases receivable 242,751 261,506
Special Mention | Unguaranteed Balance    
Financing Receivable Recorded Investment [Line Items]    
Total loans and leases receivable $ 401,730 $ 465,733
Special Mention | % Guaranteed    
Financing Receivable Recorded Investment [Line Items]    
% Guaranteed 37.70% 36.00%
Substandard    
Financing Receivable Recorded Investment [Line Items]    
Total loans and leases receivable $ 586,197 $ 662,464
Substandard | Guaranteed Balance    
Financing Receivable Recorded Investment [Line Items]    
Total loans and leases receivable 386,307 458,350
Substandard | Unguaranteed Balance    
Financing Receivable Recorded Investment [Line Items]    
Total loans and leases receivable $ 199,890 $ 204,114
Substandard | % Guaranteed    
Financing Receivable Recorded Investment [Line Items]    
% Guaranteed 65.90% 69.20%