INCOME TAXES - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Income tax provision (benefit)	$ (9,289)	$ (8,965)
Effective income tax rate (as a percent)		49.00%
Reduction to deferred taxes		$ (5,700)
Unrecognized tax benefits, including interest	5,600		$ 5,300
Unrecognized tax benefits that if subsequently recognized would reduce income tax expense	5,400		$ 5,100
Decrease in unrecognized tax benefits is reasonably possible	$ 500