Acquisitions - Schedule of Contingent Consideration (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($)
Business Acquisition [Line Items]
Beginning Liability	$ 677
Additions	0
Payments	0
Change in Fair Value of Contingent Consideration	(677)
Contingent Consideration Foreign Currency Translation	0
Ending Liability	0
IC Axon
Business Acquisition [Line Items]
Beginning Liability	594
Additions	0
Payments	0
Change in Fair Value of Contingent Consideration	(594)
Contingent Consideration Foreign Currency Translation	0
Ending Liability	0
McKinney Rogers
Business Acquisition [Line Items]
Beginning Liability	83
Additions	0
Payments	0
Change in Fair Value of Contingent Consideration	(83)
Contingent Consideration Foreign Currency Translation	0
Ending Liability	$ 0