Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income before income taxes:
Domestic	$ 12,814	$ 5,577	$ 2,901
Foreign	9,555	9,186	16,788
Total income before income taxes	22,369	14,763	19,689
Current:
Federal	2,634	388	3,210
State and local	586	378	256
Foreign	5,046	3,285	3,645
Total current	8,266	4,051	7,111
Deferred:
Federal	(338)	813	(241)
State and local	(99)	258	(176)
Foreign	(649)	(195)	104
Total deferred	(1,086)	876	(313)
Total income tax expense	$ 7,180	$ 4,927	$ 6,798