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Loans and Allowance for Credit Losses - Nonaccrual Loans, Excluding Loans Acquired, Segregated by Class of Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Loans in nonaccrual status | $ 71,279 | $ 58,434
Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans in nonaccrual status | 897 | 782
Consumer | Credit cards |  |
Financing Receivable, Past Due [Line Items] |  |
Loans in nonaccrual status | 268 | 349
Consumer | Other consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans in nonaccrual status | 629 | 433
Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans in nonaccrual status | 38,969 | 40,116
Real Estate | Construction and development |  |
Financing Receivable, Past Due [Line Items] |  |
Loans in nonaccrual status | 3,400 | 2,799
Real Estate | Single family residential |  |
Financing Receivable, Past Due [Line Items] |  |
Loans in nonaccrual status | 21,427 | 22,319
Real Estate | Other commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans in nonaccrual status | 14,142 | 14,998
Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans in nonaccrual status | 31,410 | 17,533
Commercial | Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans in nonaccrual status | 29,162 | 17,356
Commercial | Agricultural |  |
Financing Receivable, Past Due [Line Items] |  |
Loans in nonaccrual status | 2,248 | 177
Other |  |
Financing Receivable, Past Due [Line Items] |  |
Loans in nonaccrual status | $ 3 | $ 3

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