Loans and Allowance for Credit Losses - Schedule of Nonaccrual Loans Segregated by Class of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	$ 153,516	$ 110,154
Consumer:
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	859	1,243
Consumer: | Credit cards
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	593	565
Consumer: | Other consumer
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	266	678
Real Estate
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	120,967	73,177
Real Estate | Construction and development
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	9,326	10,681
Real Estate | Single family residential
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	30,671	33,972
Real Estate | Other commercial
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	80,970	28,524
Commercial
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	31,126	35,731
Commercial | Commercial
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	29,564	35,161
Commercial | Agricultural
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	1,562	570
Other
Financing Receivable, Past Due [Line Items]
Loans in nonaccrual status	$ 564	$ 3