Goodwill and Intangible Assets - Intangible Assets, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	$ 110,851	$ 96,495
Intangible Assets, Accumulated Amortization	(20,501)	(13,488)
Intangible Assets, Currency Exchange Rate Fluctuations	(685)	(340)
Total intangibles assets, net carrying amount	89,665	82,667
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	69,554	60,150
Intangible Assets, Accumulated Amortization	(11,315)	(7,596)
Intangible Assets, Currency Exchange Rate Fluctuations	(719)	(323)
Total intangibles assets, net carrying amount	57,520	52,231
Acquired technology
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	30,870	27,580
Intangible Assets, Accumulated Amortization	(6,088)	(4,068)
Intangible Assets, Currency Exchange Rate Fluctuations	59	0
Total intangibles assets, net carrying amount	24,841	23,512
Trade name
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	8,052	7,110
Intangible Assets, Accumulated Amortization	(2,551)	(1,559)
Intangible Assets, Currency Exchange Rate Fluctuations	(14)	(17)
Total intangibles assets, net carrying amount	5,487	5,534
Patents
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	1,960	1,655
Intangible Assets, Accumulated Amortization	(384)	(265)
Intangible Assets, Currency Exchange Rate Fluctuations	0	0
Total intangibles assets, net carrying amount	1,576	$ 1,390
Useful Life (Years)		20 years
Backlog
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	415
Intangible Assets, Accumulated Amortization	(163)
Intangible Assets, Currency Exchange Rate Fluctuations	(11)
Total intangibles assets, net carrying amount	$ 241
Useful Life (Years)	1 year 8 months 12 days
Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	30 years
Maximum | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	30 years	30 years
Maximum | Acquired technology
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	20 years	20 years
Maximum | Trade name
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	12 years	12 years
Maximum | Patents
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	20 years
Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	1 year
Minimum | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	5 years	5 years
Minimum | Acquired technology
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	3 years	3 years
Minimum | Trade name
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	1 year	1 year
Minimum | Patents
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	2 years