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Location and Fair Value Amounts of Derivatives in Consolidated Balance Sheets (Detail) (Derivatives not designated as hedging instruments:, USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Derivatives, Fair Value [Line Items]    
Total $ 1 $ 22
Interest Rate Cap | Other long-term assets
   
Derivatives, Fair Value [Line Items]    
Fair Value, Other long-term assets $ 1 $ 22