Stockholders' Equity - AOCI Disclosure (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance		$ 99,515	$ 105,665
Other comprehensive income (loss) before reclassifications		473	(3,462)
Reclassified from AOCI		11,491	48
Other comprehensive (loss) income, net of tax	[1]	11,964	(3,414)
Ending Balance		149,989	99,515
Foreign Currency Translation
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance		(14,720)	(11,247)
Other comprehensive income (loss) before reclassifications		470	(3,473)
Reclassified from AOCI		11,483	0
Other comprehensive (loss) income, net of tax		11,953	(3,473)
Ending Balance		(2,767)	(14,720)
Unrealized (Loss) Gain on Available for Sale Marketable Securities
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance		0	(1)
Other comprehensive income (loss) before reclassifications		0	1
Reclassified from AOCI		0	0
Other comprehensive (loss) income, net of tax		0	1
Ending Balance		0	0
Interest Rate Swaps
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance		(11)	(69)
Other comprehensive income (loss) before reclassifications		3	10
Reclassified from AOCI		8	48
Other comprehensive (loss) income, net of tax		11	58
Ending Balance		0	(11)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance		(14,731)	(11,317)
Other comprehensive (loss) income, net of tax		11,964	(3,414)
Ending Balance		$ (2,767)	$ (14,731)

[1] Tax impact was nominal for all periods.