Income Taxes - Effective Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Amount
Income tax at U.S. Federal statutory income tax rate	$ (27,736)	$ (10,441)
State and local taxes, net of Federal income tax benefit	(1,744)	(1,371)
Valuation allowance	13,905	11,028
Change in fair value of embedded derivative liability	16,484	0
Nondeductible expenses	730	940
Taxes of foreign operations at rates different than U.S. Federal statutory income tax rate	1,932	1,435
Other	(1,137)	251
Income tax expense	$ 2,434	$ 1,842
Percent
Income tax at U.S. Federal statutory income tax rate	21.00%	21.00%
State and local taxes, net of Federal income tax benefit	1.30%	2.80%
Valuation allowance	(10.50%)	(22.20%)
Change in fair value of embedded derivative liability	(12.40%)	0.00%
Nondeductible expenses	(0.50%)	(2.00%)
Taxes of foreign operations at rates different than U.S. Federal statutory income tax rate	(1.40%)	(2.90%)
Other	0.70%	(0.50%)
Total	(1.80%)	(3.80%)