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Long-Term Obligations - Schedule of Aggregate Debt Maturities (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Equity Method Investments And Cost Method Investments [Abstract]    
2014 $ 36,469  
2015 45,472  
2016 625  
2017 625  
2018 625  
2019 2,135  
Long-term debt $ 85,951 $ 0