RECEIVABLES, NET - Allowance for Credit Loss (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2019	$ 22,761
Charges to provisions for credit losses	34,191
Impact of adoption of new accounting standard, write-offs, and other	(13,928)
Balance as of December 31, 2020	$ 43,024