INCOME TAXES - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Income tax provision (benefit)	$ 37,320	$ 36,856	$ 19,573	$ (11,346)
Unrecognized tax benefits including interest and penalties	46,000		46,000		$ 46,700
Unrecognized tax benefits that would reduce income tax expense	40,400		40,400		41,800
Decrease in unrecognized tax benefits is reasonably possible	1,800		1,800
Noncurrent income taxes payable, accrued interest and penalties	$ 1,400		$ 1,400		$ 1,900