PENSION AND RETIREMENT PLANS LIABILITIES - SERP (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Unrealized gain/loss due to change in fair value of SERP liabilities	$ (16,678)	$ (195)
Non-qualified Supplemental Retirement Plan ("SERP")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	24,600		$ 24,200
Trading gains (losses), net	400	(1,500)
SERP Liabilities	22,600		$ 23,100
Unrealized gain/loss due to change in fair value of SERP liabilities	$ 417	$ (1,400)