Goodwill and Intangible Assets - Intangibles Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Intangible Assets [Roll Forward]
Balance at December 31, 2018	$ 5,661
Amortization expense	(980)	$ (1,008)
Intangibles assets acquired in asset acquisition	94
Foreign currency translation adjustment	168
Balance at December 31, 2019	$ 4,943	$ 5,661