LEASES - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Leases [Abstract]
Operating lease cost	$ 3,415	$ 3,612	$ 8,452	$ 10,869
Finance lease cost:
Amortization of right-of-use assets	2,024	2,311	6,455	6,933
Interest on lease liabilities	271	310	877	1,015
Other lease costs and income:
Variable lease costs	3,525	3,035	8,220	9,099
Finance lease right-of-use asset impairment charges	0	0	3,063	0
Sublease income	(1,560)	(957)	(4,810)	(2,837)
Cost of revenues
Lessee, Lease, Description
Lease, cost	1,539	2,988	4,668	9,032
Selling, general and administrative
Lessee, Lease, Description
Lease, cost	5,812	4,959	13,488	14,870
Research and development
Lessee, Lease, Description
Lease, cost	$ 53	$ 54	$ 161	$ 162