Loans and Allowance for Credit Losses - Schedule of Nonaccrual Loans Segregated by Class of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	$ 141,233	$ 111,791
Consumer
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	886	954
Consumer | Credit cards
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	555	568
Consumer | Other consumer
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	331	386
Real Estate
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	122,698	96,278
Real Estate | Construction and development
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	39,354	17,516
Real Estate | Single family residential
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	37,279	33,345
Real Estate | Other commercial
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	46,065	45,417
Commercial
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	17,649	14,556
Commercial | Commercial
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	16,001	13,458
Commercial | Agricultural
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	1,648	1,098
Other
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	$ 0	$ 3