Goodwill and Intangible Assets - Components of Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Acquired Finite Lived Intangible Assets [Line Items]
Finite lived intangible assets, Cost	$ 109,487	$ 32,013
Finite lived intangible assets, Accumulated amortization	(16,315)	(5,679)
Finite lived intangible assets, Net	93,172	26,334
Customer Lists [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Finite lived intangible assets, Cost	90,212	21,850
Finite lived intangible assets, Accumulated amortization	(11,319)	(2,939)
Finite lived intangible assets, Net	$ 78,893	18,911
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	$ 16,390	8,473
Finite lived intangible assets, Accumulated amortization	(4,090)	(2,259)
Finite lived intangible assets, Net	$ 12,300	6,214
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	1,690
Finite lived intangible assets, Accumulated amortization	(906)	(481)
Finite lived intangible assets, Net	$ 1,979	$ 1,209
Trade Names and Trademarks [Member] | Minimum [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Useful life (years)	2 years
Trade Names and Trademarks [Member] | Maximum [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Useful life (years)	10 years