Business Combinations - Additional Details (Details) - USD ($) $ in Thousands	1 Months Ended
	Dec. 31, 2016	Aug. 31, 2016	Jul. 31, 2016	Mar. 31, 2017
Business Acquisition [Line Items]
Acquisition and integration costs				$ 900
BuildIT Software and Solutions Ltd.
Business Acquisition [Line Items]
Purchase price, net of cash acquired			$ 3,910
Laser Projection Technologies
Business Acquisition [Line Items]
Purchase price, net of cash acquired		$ 17,211
MWF
Business Acquisition [Line Items]
Purchase price, net of cash acquired	$ 6,587