Fair Value Measurements - Additional Information (Details) $ in Thousands	1 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)	Jul. 01, 2016 USD ($) Installment	Apr. 01, 2016 USD ($)	Dec. 18, 2015 USD ($)	Nov. 09, 2015 USD ($)	Feb. 19, 2015 USD ($)
Business Acquisition Contingent Consideration [Line Items]
Future contingent consideration		$ 3,889	$ 1,645
Contingent consideration adjustment			1,427
Skyetek Inc.
Business Acquisition Contingent Consideration [Line Items]
Future contingent consideration		200	200
Undiscounted range of contingent consideration, minimum					$ 0
Undiscounted range of contingent consideration, maximum					$ 300
Lincoln Laser Company
Business Acquisition Contingent Consideration [Line Items]
Undiscounted range of contingent consideration, minimum						$ 0
Undiscounted range of contingent consideration, maximum						$ 6,000
Estimated fair value of contingent consideration		2,300	2,600	$ 2,300
Contingent consideration adjustment	$ 300		300
Applimotion Inc.
Business Acquisition Contingent Consideration [Line Items]
Undiscounted range of contingent consideration, minimum							$ 0
Undiscounted range of contingent consideration, maximum							4,000
Estimated fair value of contingent consideration		1,400	2,500				$ 1,000
Contingent consideration adjustment	$ 1,100	$ 400	$ 1,100
Business combination, date of agreement			Feb. 19, 2015
Number of contingent consideration installments | Installment			2