INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Domestic and foreign components of Income (loss) before income taxes
Domestic	$ (10,567)	$ (403,492)	$ 30,706
Foreign	20,669	9,891	19,093
Income (loss) before income taxes	10,102	(393,601)	49,799
Current:
U.S. Federal	(1,534)	(9,905)	3,120
State	68	3,062	1,547
Foreign	6,948	6,768	5,426
Total current	5,482	(75)	10,093
Deferred:
U.S. Federal	(509)	1,384	5,977
State	503	(2,859)	714
Foreign	(711)	(2,692)	(125)
Total deferred	(717)	(4,167)	6,566
Income tax expense (benefit)	$ 4,765	$ (4,242)	$ 16,659
Reconciliation between the effective income tax rate and the applicable statutory federal and state income tax rate
Taxes computed at federal statutory rate	21.00%	21.00%	21.00%
Goodwill impairment charges		(20.40%)
State income taxes (net of federal income tax benefit)	9.80%	0.30%	5.70%
Share-based compensation	4.60%	(0.10%)	(0.40%)
Research and development credits	(4.40%)	0.10%	(0.80%)
Non-deductible transaction costs	1.60%		3.40%
Global intangible low taxed income			1.10%
Foreign rate differential	11.00%	(0.30%)	2.50%
Net operating loss reduction		(1.70%)
Unrecognized tax benefit reduction		1.70%
State deferred rate differential		(0.10%)	(1.60%)
State credits	(5.10%)
Assumed contingent liability	3.10%
Non-deductible executive compensation	1.50%
Non-deductible foreign expenses	4.30%
Non-deductible political contributions	1.30%
Net operating loss carryback rate differential	(4.60%)
Other	3.10%	0.60%	2.60%
Total (as a percent)	47.20%	1.10%	33.50%