Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income before income taxes:
Domestic	$ 427	$ 12,814	$ 5,577
Foreign	8,183	9,555	9,186
Total income before income taxes	8,610	22,369	14,763
Current:
Federal	492	2,634	388
State and local	333	586	378
Foreign	2,868	5,046	3,285
Total current	3,693	8,266	4,051
Deferred:
Federal	(1,500)	(338)	813
State and local	(353)	(99)	258
Foreign	(298)	(649)	(195)
Total deferred	(2,151)	(1,086)	876
Total income tax expense	$ 1,542	$ 7,180	$ 4,927
Effective Income Tax Rate Reconciliation, Percent	17.90%	32.10%	33.40%
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	$ 12,100
Deferred Tax Assets, Valuation Allowance	5,081	$ 4,025
Deferred Tax Liability, CARES Act	$ 10,400