Income Taxes - Differences in Statutory Rate and Effective Rate (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
United States	$ (55,912)	$ (79,179)	$ (76,170)
International	26,924	15,324	17,685
LOSS BEFORE INCOME TAXES	$ (28,988)	$ (63,855)	$ (58,485)
US Federal statutory rate	21.00%	21.00%	21.00%
Income taxes computed at US Federal statutory rate	$ (6,088)	$ (13,409)	$ (12,282)
Tax impact of foreign operations	(1,348)	3,192	5,708
Tax credits	(840)	(1,400)	(1,400)
Non-deductible transaction related costs	851	0	0
Non-deductible compensation	3,136	0	0
State taxes, net of Federal effect	(949)	(2,942)	(2,236)
U.S. Return to provision and deferred tax adjustments	(4,243)	2,128	(1,354)
Uncertain tax positions	(1,439)	521	1,620
Change in valuation allowance	234	0	(2,455)
Other permanent differences	225	348	596
Income tax (benefit) expense	$ (10,461)	$ (11,562)	$ (11,803)
Effective income tax rate	36.10%	18.10%	20.20%

Effective Income Tax Rate Reconciliation, Nondeductible Expense, Transaction Costs, Amount

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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