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Loans and Allowance for Credit Losses - Age Analysis of Past Due Loans, Excluding Loans Acquired, Segregated by Class of Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | $ 17,005,937 | $ 16,845,670
90 Days Past Due & Accruing | 603 | 1,147
Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 48,196 | 55,666
90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 81,698 | 42,701
Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 129,894 | 98,367
Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 16,876,043 | 16,747,303
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 308,994 | 318,666
90 Days Past Due & Accruing | 529 | 791
Consumer | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 3,576 | 3,205
Consumer | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 1,016 | 1,108
Consumer | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 4,592 | 4,313
Consumer | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 304,402 | 314,353
Consumer | Credit cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 181,675 | 191,204
90 Days Past Due & Accruing | 529 | 791
Consumer | Credit cards | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 1,824 | 1,734
Consumer | Credit cards | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 635 | 892
Consumer | Credit cards | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,459 | 2,626
Consumer | Credit cards | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 179,216 | 188,578
Consumer | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 127,319 | 127,462
90 Days Past Due & Accruing | 0 | 0
Consumer | Other consumer | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 1,752 | 1,471
Consumer | Other consumer | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 381 | 216
Consumer | Other consumer | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,133 | 1,687
Consumer | Other consumer | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 125,186 | 125,775
Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 13,391,531 | 13,338,186
90 Days Past Due & Accruing | 0 | 7
Real Estate | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 40,416 | 38,570
Real Estate | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 53,516 | 18,324
Real Estate | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 93,932 | 56,894
Real Estate | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 13,297,599 | 13,281,292
Real Estate | Construction and development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,789,249 | 3,144,220
90 Days Past Due & Accruing | 0 | 0
Real Estate | Construction and development | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 332 | 3,171
Real Estate | Construction and development | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 10,530 | 2,190
Real Estate | Construction and development | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 10,862 | 5,361
Real Estate | Construction and development | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,778,387 | 3,138,859
Real Estate | Single family residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,689,946 | 2,641,556
90 Days Past Due & Accruing | 0 | 7
Real Estate | Single family residential | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 34,651 | 30,697
Real Estate | Single family residential | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 16,013 | 12,522
Real Estate | Single family residential | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 50,664 | 43,219
Real Estate | Single family residential | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,639,282 | 2,598,337
Real Estate | Other commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 7,912,336 | 7,552,410
90 Days Past Due & Accruing | 0 | 0
Real Estate | Other commercial | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 5,433 | 4,702
Real Estate | Other commercial | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 26,973 | 3,612
Real Estate | Other commercial | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 32,406 | 8,314
Real Estate | Other commercial | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 7,879,930 | 7,544,096
Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,695,329 | 2,722,886
90 Days Past Due & Accruing | 74 | 349
Commercial | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 3,928 | 13,891
Commercial | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 27,163 | 23,266
Commercial | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 31,091 | 37,157
Commercial | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,664,238 | 2,685,729
Commercial | Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,434,175 | 2,490,176
90 Days Past Due & Accruing | 74 | 349
Commercial | Commercial | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 3,535 | 13,799
Commercial | Commercial | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 27,059 | 22,750
Commercial | Commercial | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 30,594 | 36,549
Commercial | Commercial | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,403,581 | 2,453,627
Commercial | Agricultural |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 261,154 | 232,710
90 Days Past Due & Accruing | 0 | 0
Commercial | Agricultural | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 393 | 92
Commercial | Agricultural | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 104 | 516
Commercial | Agricultural | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 497 | 608
Commercial | Agricultural | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 260,657 | 232,102
Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 610,083 | 465,932
90 Days Past Due & Accruing | 0 | 0
Other | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 276 | 0
Other | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 3 | 3
Other | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 279 | 3
Other | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | $ 609,804 | $ 465,929

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