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Long-Term Debt and Capital Lease Obligations - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Interest percentage 6.00%  
Debt maturity period 2022  
Senior Bank Credit Facility    
Debt Instrument [Line Items]    
Credit facility $ 207,000 $ 200,000
Letters of Credit Outstanding, Amount $ 1,400