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Fair Value Measurements (Details) - Fair Value, Inputs, Level 3 - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Carrying Amount    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Term loan, fair value $ 152,928 $ 152,838
Fair Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Term loan, fair value $ 156,743 $ 152,838