INCOME TAXES - Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal	$ (22,869)	$ (468)	$ (2,113)
State	3,584	1,847	215
Total current (benefit) provision	(19,285)	1,379	(1,898)
Deferred:
Federal	14,990	107	(8,009)
State	(2,823)	(3,383)	(4,486)
Total deferred provision (benefit)	12,167	(3,276)	(12,495)
Total benefit from income taxes	$ (7,118)	$ (1,897)	$ (14,393)