EMPLOYEE BENEFITS - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Employee stock ownership plan, maximum employer contribution as a percentage of participant's qualified compensation	5.00%
Employee stock ownership plan, total contributions accrued or paid	$ 455	$ 493
Employee stock ownership plan, shares held under plan (in shares)	1,020,417
Employee stock ownership plan, unallocated shares (in shares)	0
Cash surrender value of life insurance	$ 42,119		$ 42,348
Bonus expense	885	875
Executive Incentive Retirement Plan | Postretirement Life Insurance
Defined Benefit Plan Disclosure [Line Items]
Cash surrender value of life insurance	42,119		42,348
Plan cost	429	$ 360
Plan obligation	$ 6,640		$ 6,050
Defined Benefit Plan, Funding Status [Extensible Enumeration]	Defined Benefit Plan, Unfunded Plan [Member]	Defined Benefit Plan, Unfunded Plan [Member]	Defined Benefit Plan, Unfunded Plan [Member]