EMPLOYEE BENEFITS - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
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	$ 1,455	$ 1,330	$ 1,270
Employee stock ownership plan, shares held under plan (in shares)	1,254,757
Employee stock ownership plan, unallocated shares (in shares)	0
Cash surrender value of life insurance	$ 37,141	35,510
Gain on proceeds from life insurance policies	277	0
Bonus expense	4,867	3,164	3,265
Executive Incentive Retirement Plan | Postretirement Life Insurance | Nonqualified Plan | Unfunded Plan
Defined Benefit Plan Disclosure [Line Items]
Cash surrender value of life insurance	37,141	35,510
Plan cost	738	592	$ 602
Plan obligation	$ 4,969	$ 4,383