Goodwill and Intangible Assets - Components of Intangible Assets (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Acquired Finite Lived Intangible Assets [Line Items]
Finite lived intangible assets, Cost	$ 110,743	$ 109,487
Finite lived intangible assets, Accumulated amortization	(22,445)	(16,315)
Finite lived intangible assets, Net	88,298	93,172
Customer Lists [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Finite lived intangible assets, Cost	91,283	90,212
Finite lived intangible assets, Accumulated amortization	(15,638)	(11,319)
Finite lived intangible assets, Net	$ 75,645	78,893
Customer Lists [Member] | Minimum [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Useful life (years)	5 years
Customer Lists [Member] | Maximum [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Useful life (years)	14 years
Patents and Technology [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Finite lived intangible assets, Cost	$ 16,575	16,390
Finite lived intangible assets, Accumulated amortization	(5,035)	(4,090)
Finite lived intangible assets, Net	$ 11,540	12,300
Patents and Technology [Member] | Minimum [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Useful life (years)	5 years
Patents and Technology [Member] | Maximum [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Useful life (years)	10 years
Trade Names and Trademarks [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Finite lived intangible assets, Cost	$ 2,885	2,885
Finite lived intangible assets, Accumulated amortization	(1,772)	(906)
Finite lived intangible assets, Net	$ 1,113	$ 1,979
Trade Names and Trademarks [Member] | Minimum [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Useful life (years)	1 year
Trade Names and Trademarks [Member] | Maximum [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Useful life (years)	2 years