PENSION AND OTHER BENEFIT PLANS - Other Deferred Compensation Arrangements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Deferred Compensation Arrangements
Deferred compensation arrangements (135,437 shares at December 31, 2022 and 146,860 shares at December 31, 2021)	$ 7,756	$ 8,362
Other Deferred Compensation Arrangements
Deferred Compensation Arrangements
Deferred compensation arrangements (135,437 shares at December 31, 2022 and 146,860 shares at December 31, 2021)	4,500	5,100
Expense recognized under plan	$ 200	$ 200	$ 400