RECEIVABLES, NET - Allowance for Credit Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of beginning of period	$ 43,024	$ 22,761
Changes to provisions for credit losses	(1,800)	19,286
Impact of adoption of new accounting standard, write-offs, and other	(4,024)	(1,485)
Balance as of end of period	$ 37,200	$ 40,562