EMPLOYEE BENEFIT PLANS - Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Net gains (losses)	$ 362	$ 11,262	$ (1,587)
Amortization of losses (gains)	738	1,154	861
Postretirement
Defined Benefit Plan Disclosure [Line Items]
Net gains (losses)	512	40	(207)
Amortization of losses (gains)	$ 15	$ 20	$ 8