Stockholder's Equity - Schedule of AOCI (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
AOCI Attributable to Parent [Roll Forward]
Beginning balance		$ 126,876	$ 138,988	$ 131,884	$ 149,989
Net other comprehensive income (loss)	[1]	(370)	1,102	(106)	(1,508)
Ending balance		131,970	140,452	131,970	140,452
Foreign Currency Translation
AOCI Attributable to Parent [Roll Forward]
Beginning balance		(2,968)	(5,377)	(3,232)	(2,767)
Other comprehensive income (loss)		(370)	1,103	(106)	(1,507)
Net other comprehensive income (loss)		(370)	1,103	(106)	(1,507)
Ending balance		(3,338)	(4,274)	(3,338)	(4,274)
Unrealized Loss on Available for Sale Marketable Securities
AOCI Attributable to Parent [Roll Forward]
Beginning balance			0		0
Other comprehensive income (loss)			(1)		(1)
Net other comprehensive income (loss)			(1)		(1)
Ending balance			(1)		(1)
Total Accumulated Other Comprehensive Loss
AOCI Attributable to Parent [Roll Forward]
Beginning balance		(2,968)	(5,377)	(3,232)	(2,767)
Other comprehensive income (loss)		(370)	1,102	(106)	(1,508)
Net other comprehensive income (loss)		(370)	1,102	(106)	(1,508)
Ending balance		$ (3,338)	$ (4,275)	$ (3,338)	$ (4,275)

[1] Tax impact was nominal for all periods.