Other Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Other Income and Expenses [Abstract]
Foreign currency (losses) gains	$ (96)	$ 89	$ (7)	$ (198)
Tax indemnification (expense) income	(762)	692	842	2,220
Interest income	54	18	613	33
Other	0	0	247	0
Total other (expense) income	$ (804)	$ 799	$ 1,695	$ 2,055