v2.4.0.8
Debt - Fair Value Hierarchy Table on Recurring Basis (Level 2) (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Other long-term liabilities $ 20,087 $ 20,144
Carrying Value | Warrant | Fair Value, Measurements, Recurring
   
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Other long-term liabilities 3,849 3,830
Fair Value Measurement | Warrant | Level 2 | Fair Value, Measurements, Recurring
   
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Other long-term liabilities $ 3,849 $ 3,830