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LOANS AND ALLOWANCE FOR LOAN LOSSES - Loans by Portfolio Segment (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
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Loans and Leases Receivable Disclosure [Abstract] |  |  |  |
Loans | $ 4,661,597 | $ 4,524,510 |  |
Less: Allowance for loan losses | 44,884 | 42,674 | $ 36,515 | $ 35,273
Net loans | 4,616,713 | 4,481,836 |  |
Construction real estate loans |  |  |  |
Loans and Leases Receivable Disclosure [Abstract] |  |  |  |
Loans | 537,827 | 789,744 |  |
Less: Allowance for loan losses | 3,958 | 5,287 | 3,164 | 3,787
1-4 family residential real estate loans |  |  |  |
Loans and Leases Receivable Disclosure [Abstract] |  |  |  |
Loans | 740,396 | 696,738 |  |
Less: Allowance for loan losses | 2,780 | 2,840 | 2,173 | 1,866
Commercial real estate loans |  |  |  |
Loans and Leases Receivable Disclosure [Abstract] |  |  |  |
Loans | 2,579,735 | 2,168,451 |  |
Less: Allowance for loan losses | 35,526 | 32,266 | 28,701 | 26,980
Commercial loans |  |  |  |
Loans and Leases Receivable Disclosure [Abstract] |  |  |  |
Loans | 363,167 | 366,893 |  |
Less: Allowance for loan losses | 2,448 | 2,086 | 2,235 | 2,397
Municipal loans |  |  |  |
Loans and Leases Receivable Disclosure [Abstract] |  |  |  |
Loans | 390,968 | 441,168 |  |
Less: Allowance for loan losses | 16 | 19 | 45 | 47
Loans to individuals |  |  |  |
Loans and Leases Receivable Disclosure [Abstract] |  |  |  |
Loans | 49,504 | 61,516 |  |
Less: Allowance for loan losses | $ 156 | $ 176 | $ 197 | $ 196

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