Goodwill and Identifiable Intangible Assets - Summary of Acquired Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 24,477	$ 570
Accumulated Amortization	(929)	(83)
Net Carrying Amount	21,587
Other intangibles - indefinite lived	1,962
Net Carrying Amount	23,549	487
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,975
Accumulated Amortization	(75)
Net Carrying Amount	1,901
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Net Carrying Amount	4,441
Trade Name and Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	15,631	570
Accumulated Amortization	(386)	(83)
Net Carrying Amount	15,245	487
Developed Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,909
Accumulated Amortization	$ (468)