EMPLOYEE SAVINGS AND BENEFIT PLANS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred compensation
Beginning of period balance	$ 33,474	$ 33,229	$ 30,928
Employee compensation deferrals	0	0	15
Employee compensation payments	(5,113)	(3,333)	(3,826)
Increase (decrease) in plan fair value	4,369	3,578	6,112
End of period balance	$ 32,730	33,474	33,229
401(K) savings plan expense		$ 2,200	$ 5,600