SEGMENT INFORMATION, GEOGRAPHIC INFORMATION AND CUSTOMER CONCENTRATION - Schedule of Segment Income Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total consolidated segment operating income	$ 22,172	$ 45,519	$ 18,809
Unallocated corporate expenses	(290,373)	(270,365)	(240,933)
Stock-based compensation	(27,329)	(25,212)	(24,062)
Amortization of intangibles	0	0	(507)
Non-operating expense, net	(3,031)	(1,034)	(9,938)
Income before income taxes	19,141	44,485	8,871
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total consolidated segment operating income	55,834	74,605	44,059
Corporate, Non-Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Unallocated corporate expenses	$ (6,333)	$ (3,874)	$ (681)