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Goodwill and Intangibles - Schedule of Estimated Aggregate Annual Amortization (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Finite-Lived Intangible Assets, Net, Amortization Expense Rolling Maturity Abstract  
2015 $ 3,066us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
2016 2,707us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2017 2,117us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2018 1,907us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
2019 1,612us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
Thereafter $ 6,309us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive