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INCOME TAXES - Computation of Differences Between Financial Statement Tax Expense And Amounts (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Tax Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |
Income taxes at statutory federal rate of 21% |  |  |  |  |  |  |  |  | $ 23,170 | $ 26,284 | $ 24,663
Increase (decrease) in taxes resulting from: |  |  |  |  |  |  |  |  |  |  |
Tax exempt income |  |  |  |  |  |  |  |  | (4,226) | (4,438) | (2,822)
Nondeductible expense |  |  |  |  |  |  |  |  | 269 | 159 | 116
State income tax, net of federal tax effect |  |  |  |  |  |  |  |  | (716) | 671 | 1,288
Captive insurance premium income |  |  |  |  |  |  |  |  | (261) | (417) | (303)
Tax credits |  |  |  |  |  |  |  |  | (713) | (586) | (578)
Bank owned life insurance |  |  |  |  |  |  |  |  | (658) | (78) | (596)
Long-term incentive plan and deferred compensation |  |  |  |  |  |  |  |  | (715) | (530) | (274)
Nondeductible compensation expense |  |  |  |  |  |  |  |  | 784 | 181 | 156
Other |  |  |  |  |  |  |  |  | (368) | 101 | 61
Total income tax expense | $ 6,436 | $ 4,479 | $ 1,880 | $ 3,771 | $ 4,987 | $ 6,237 | $ 5,584 | $ 4,539 | $ 16,566 | $ 21,347 | $ 21,711

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