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Fair Value - Additional Information (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Fair Value Disclosures [Abstract]    
Notes, loans and financing receivable, gross, noncurrent $ 400,000 $ 400,000
Debt instrument, fee amount 4,649 5,200
Notes outstanding, fair value $ 396,000 $ 366,000