RECEIVABLES, CONTRACT ASSETS, AND DEFERRED REVENUE - Summary of Contract Assets and Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Receivables [Abstract]
Contract assets	$ 11,765	$ 12,530
Contract assets	10,292	10,643
Total contract assets	22,057	23,173
Deferred revenue	290,873	275,844
Long-term deferred revenue	6,612	5,655
Total deferred revenue	297,485	$ 281,499
Revenue recognized during the period that was included in deferred revenue	$ 124,900