Income Taxes - Reconciliation of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Tax expense at statutory rate	$ (1,798)	$ (6,462)	$ (12,812)
State income taxes, net of federal benefit	106	(1,400)	(1,564)
Foreign tax rate difference	303	1,999	(1,954)
Change in valuation allowance	26,475	(3,736)	8,485
Impact of intra-entity IP transfers	231	(19,227)	0
Prepaid tax on intercompany profit	3,390	0	0
Impact of permanent differences of non-deductible cost	1,658	(602)	1,550
Withholding/other foreign taxes	838	0	0
Research and development credit	(737)	(662)	(753)
Global intangible low-taxed income (“GILTI”)	763	0	1,795
Foreign currency gain/loss	594	0	0
Provision to return adjustments & deferred adjustments	313	(572)	356
Change in enacted tax rates	(306)	(1,138)	359
Equity based compensation	(245)	(42)	(25)
Uncertain tax positions	(185)	0	0
Intangible & goodwill impairment	0	0	4,999
Other	3	440	697
Income tax expense (benefit)	$ 31,403	$ (31,402)	$ 1,133