Goodwill and Identifiable Intangible Assets - Summary of Acquired Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 20,286	$ 24,477
Accumulated Amortization	(3,252)	(928)
Other intangibles - indefinite lived	1,962	1,962
Net Carrying Amount	17,034	23,549
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	6,012	1,975
Accumulated Amortization	(583)	(74)
Net Carrying Amount	5,429	1,901
Developed Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	7,422	4,909
Accumulated Amortization	(1,570)	(468)
Net Carrying Amount	5,852	4,441
Trade Name and Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,890	15,631
Accumulated Amortization	(1,099)	(386)
Net Carrying Amount	$ 3,791	$ 15,245