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Fair Value Measurements - Summary of Fair Value of Financial Liabilities (Parenthetical) (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Current portion of long-term debt $ 4,619 $ 10,325
Fair Value Measurements, Recurring Basis    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Current portion of long-term debt $ 4,619 $ 10,325