Goodwill and Intangible Assets, Net - Schedule of Amortization Expense of Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]  
2015 $ 9,030
2016 33,665
2017 31,598
2018 28,732
2019 25,707
Thereafter 56,601
Total $ 185,333