INCOME TAXES - Reconciliation of income tax (expense) benefit (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Tax Disclosure [Abstract]
Income tax (expense) benefit - excluding excess tax benefit on stock compensation	$ (4,097)	$ 1,749
Excess tax benefit on stock compensation	1,054	6,003
Impact of CARES Act	6,104	0
Income tax benefit	$ 3,061	$ 7,752