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Fair Value Measurement - Schedule of Financial Assets and Liabilities (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Thousands
Sep. 30, 2016
Jun. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative financial instrument asset $ 287 $ 792
Total recurring assets fair value 3,013 12,631
Significant other observable inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative financial instrument asset 287 792
Total recurring assets fair value 3,013 12,631
Corporate Bond Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 2,726 11,839
Corporate Bond Securities | Significant other observable inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments $ 2,726 $ 11,839