INCOME TAXES - Additional information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Income tax benefit	$ 1	$ 7,925	$ 455	$ 14,866
Effective tax rate	0.00%	24.20%	(1.90%)	50.70%
Federal statutory income tax rate			21.00%	21.00%
Excess tax expense (benefit) on stock compensation	$ 938	$ (175)	$ (7,355)	$ (1,982)
Income tax benefit from CARES Act	$ 0	$ 0	$ 0	$ 6,104