EMPLOYEE BENEFIT PLANS (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) plan	Mar. 31, 2021 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of qualified defined benefit plans | plan	1
Pension contributions paid	$ 0
Weighted-average expected long-term rate of return on plan assets	5.00%
Pension
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0
Interest cost	609	557
Expected return on plan assets	(872)	(936)
Amortization of losses	184	288
Net periodic benefit (credit) cost	(79)	(91)
Postretirement
Defined Benefit Plan Disclosure [Line Items]
Service cost	2	2
Interest cost	13	11
Expected return on plan assets	0	0
Amortization of losses	4	5
Net periodic benefit (credit) cost	$ 19	$ 18