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Long-Term Debt - Future Long-Term Debt Payment (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Long Term Debt Maturities Repayments Of Principal [Line Items]    
Total Debt $ 332,702 $ 365,744
Long-term Debt
   
Long Term Debt Maturities Repayments Of Principal [Line Items]    
2014 25  
2015 26  
2016 26  
2017 132,625  
2018 200,000  
Total Debt $ 332,702