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Loans and Allowance for Credit Losses - Allowance for Credit Losses on Loans by Category of Loan (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |
Allowance for credit losses on loans, beginning balance | $ 332,362,000 | $ 281,576,000 | $ 286,380,000
Allowance on loans purchased with credit deterioration | 26,078,000 | 76,793,000 |
Provision for credit losses | 7,923,000 | 11,984,000 |
Charge-offs | (20,239,000) | (42,784,000) | (8,523,000)
Recoveries | 5,681,000 | 4,793,000 | 3,719,000
Net charge-offs | (14,558,000) | (37,991,000) | (4,804,000)
Allowance for credit losses on loans, ending balance | 351,805,000 | 332,362,000 | 281,576,000
Construction, Land Development and Other Land Loans [Member] |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |
Charge-offs | (781,000) |  |
Agriculture [Member] |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |
Allowance for credit losses on loans, beginning balance | 11,380,000 | 7,699,000 | 7,759,000
Allowance on loans purchased with credit deterioration | 14,309,000 | 2,914,000 |
Provision for credit losses | 2,130,000 | 683,000 | (67,000)
Charge-offs | (636,000) | (114,000) | (274,000)
Recoveries | 510,000 | 198,000 | 281,000
Net charge-offs | (126,000) | 84,000 | 7,000
Allowance for credit losses on loans, ending balance | 27,693,000 | 11,380,000 | 7,699,000
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |
Allowance for credit losses on loans, beginning balance | 87,775,000 | 78,853,000 | 58,897,000
Allowance on loans purchased with credit deterioration | 942,000 | 16,878,000 |
Provision for credit losses | (9,954,000) | (7,929,000) | 20,372,000
Charge-offs |  | (77,000) | (435,000)
Recoveries | 2,000 | 50,000 | 19,000
Net charge-offs | (779,000) | (27,000) | (416,000)
Allowance for credit losses on loans, ending balance | 77,984,000 | 87,775,000 | 78,853,000
Real Estate [Member] | 1-4 Family [Member] |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |
Allowance for credit losses on loans, beginning balance | 77,652,000 | 60,795,000 | 56,710,000
Allowance on loans purchased with credit deterioration | 344,000 | 1,590,000 |
Provision for credit losses | 4,210,000 | 14,999,000 | 3,883,000
Charge-offs | (1,555,000) | (144,000) | (168,000)
Recoveries | 84,000 | 412,000 | 370,000
Net charge-offs | (1,471,000) | 268,000 | 202,000
Allowance for credit losses on loans, ending balance | 80,735,000 | 77,652,000 | 60,795,000
Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member] |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |
Allowance for credit losses on loans, beginning balance | 88,664,000 | 66,272,000 | 75,005,000
Allowance on loans purchased with credit deterioration | 4,306,000 | 25,292,000 |
Provision for credit losses | (601,000) | 14,216,000 | (7,873,000)
Charge-offs | (1,290,000) | (17,158,000) | (870,000)
Recoveries | 1,068,000 | 42,000 | 10,000
Net charge-offs | (222,000) | (17,116,000) | (860,000)
Allowance for credit losses on loans, ending balance | 92,147,000 | 88,664,000 | 66,272,000
Commercial and Industrial [Member] |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |
Allowance for credit losses on loans, beginning balance | 59,832,000 | 62,319,000 | 80,412,000
Allowance on loans purchased with credit deterioration | 6,176,000 | 30,095,000 |
Provision for credit losses | 6,266,000 | (16,177,000) | (18,934,000)
Charge-offs | (9,706,000) | (19,603,000) | (1,273,000)
Recoveries | 2,932,000 | 3,198,000 | 2,114,000
Net charge-offs | (6,774,000) | (16,405,000) | 841,000
Allowance for credit losses on loans, ending balance | 65,500,000 | 59,832,000 | 62,319,000
Consumer and Other [Member] |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |
Allowance for credit losses on loans, beginning balance | 7,059,000 | 5,638,000 | 7,597,000
Allowance on loans purchased with credit deterioration | 1,000 | 24,000 |
Provision for credit losses | 5,872,000 | 6,192,000 | 2,619,000
Charge-offs | (6,271,000) | (5,688,000) | (5,503,000)
Recoveries | 1,085,000 | 893,000 | 925,000
Net charge-offs | (5,186,000) | (4,795,000) | (4,578,000)
Allowance for credit losses on loans, ending balance | $ 7,746,000 | $ 7,059,000 | $ 5,638,000

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