Goodwill and Identifiable Intangible Assets - Summary of Acquired Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (8,994)	$ (4,646)
Net Carrying Amount	16,167
Other intangibles—indefinite lived	1,962	1,962
Total intangible assets, Gross Carrying Amount	27,123	26,210
Total intangible assets, Net Carrying Amount	18,129	21,564
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,716	5,437
Accumulated Amortization	(1,263)	(743)
Net Carrying Amount	4,453	4,694
Developed Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,141	8,353
Accumulated Amortization	(3,793)	(2,194)
Net Carrying Amount	4,348	6,159
Trade Name and Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	11,304	10,458
Accumulated Amortization	(3,938)	(1,709)
Net Carrying Amount	$ 7,366	$ 8,749