Goodwill and Other Acquired Intangible Assets - Schedule of Finite Lived Intangible Assets Future Amortization Expense (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Goodwill And Intangible Assets Disclosure [Abstract]
2014-2018	$ 376
2019 and thereafter	$ 2,272

Amount of amortization expense expected to be recognized after the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant