DEBT OBLIGATIONS - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	May 19, 2020
Debt Instrument [Line Items]
Amortization of debt discounts and issuance costs			$ 12,352	$ 2,984
Total	$ 130,528	$ 245,902	463,786	686,738
2020 Term Loan
Debt Instrument [Line Items]
Coupon interest at 11.00%	13,652	0	20,435	0
Amortization of debt discounts and issuance costs	3,368	0	5,006	0
Total	$ 17,020	$ 0	$ 25,441	$ 0
Interest rate					11.00%