INCOME TAXES - Total Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current income taxes:
Federal	$ 0	$ (696)	$ (15)
State	0	0	0
Total current income taxes	0	(696)	(15)
Deferred income taxes:
Federal	0	0	67,516
State	0	0	(2,601)
Total deferred income taxes	0	0	64,915
Total	$ 0	$ (696)	$ 64,900