v3.26.1
Loans and Allowance for Credit Losses - Nonperforming Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Accounts Notes And Loans Receivable [Line Items]    
Loans held for investment $ 23,832,909 $ 20,486,415
Other real estate owned $ 13,257 $ 13,296
Nonperforming assets to total loans and other real estate 0.48% 0.69%
Nonperforming assets to total loans, excluding Warehouse Purchase Program loans, and other real estate 0.51% 0.74%
Nonaccrual loans to total loans 0.42% 0.63%
Nonaccrual loans to total loans, excluding Warehouse Purchase Program loans 0.45% 0.67%
Nonperforming Financial Loans [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Loans held for investment $ 108,714 $ 137,534
Repossessed assets 136 12
Other real estate owned 13,257 13,296
Total nonperforming assets 122,107 150,842
Nonperforming Financial Loans [Member] | Finance Receivable Nonaccrual Status [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Loans held for investment [1] 106,473 137,217
Nonperforming Financial Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Loans held for investment $ 2,241 $ 317
[1] There were no nonperforming Warehouse Purchase Program loans or Warehouse Purchase Program lines of credit for the periods presented.