Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Increase (Decrease) in valuation allowance	$ 573	$ 5,600	$ (345)
U.S. federal net operating loss carryforwards	45,600
Foreign operating loss carryforwards	22,800
Foreign withholding tax	288	228	638
Unrecognized tax benefits including interest and penalties	2,000	2,000
Unrecognized tax benefits that would impact effective rate	2,000	1,600
Unrecognized tax benefits reduction to non-current deferred income tax assets	1,000	627
Accrued interest and penalties	322	276
Increase (decrease) of uncertain tax benefits related to certain liabilities for unrecognized tax benefits	46	$ (90)	$ (7)
Estimated decrease in unrecognized tax benefit in next twelve months	86
Domestic
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Operating loss carryforward, expiring	34,500
Operating loss carryforward, no expiration	$ 11,100
Period to utilize the net operating loss carryforwards	14 years
NOL carryforward used in period	$ 21,300
Foreign
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Operating loss carryforward, expiring	879
Operating loss carryforward, no expiration	$ 21,900