Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Changes in accumulated other comprehensive income, net of tax
Balance at December 31, 2019	$ (258)
Other comprehensive loss and pension reclassification	(1,055)	$ (465)
Balance at March 31, 2020	(1,313)
Foreign currency
Changes in accumulated other comprehensive income, net of tax
Balance at December 31, 2019	518
Other comprehensive loss and pension reclassification	(1,112)
Balance at March 31, 2020	(594)
Defined benefit pension plan
Changes in accumulated other comprehensive income, net of tax
Balance at December 31, 2019	(776)
Other comprehensive loss and pension reclassification	57
Balance at March 31, 2020	$ (719)