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EMPLOYEE BENEFITS - Amounts in Accumulated Other Comprehensive Income (Loss) Recognized in Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Retirement Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |  |
Net loss | $ 726 | $ 640 | $ 1,002
Deferred tax expense | (153) | (134) |
Accumulated other comprehensive income (loss), net of tax | 573 | 506 |
Retirement Plan Acquired |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |  |
Net loss | 0 | 0 | 6
Deferred tax expense | 0 | 0 |
Accumulated other comprehensive income (loss), net of tax | 0 | 0 |
Restoration Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |  |
Net loss | 30 | 255 | $ 256
Deferred tax expense | (6) | (54) |
Accumulated other comprehensive income (loss), net of tax | $ 24 | $ 201 |

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