INCOME TAXES - Income tax expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current
State	$ 7	$ 11	$ 26
Deferred
Federal	70,893	60,408	41,567
State	5,539	12	309
Total	76,432	60,420	41,876
Total income tax expense, net	$ (76,439)	$ (60,431)	$ (41,902)