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Fair Value Measurement - Schedule of Financial Assets and Liabilities (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Thousands
Dec. 31, 2016
Jun. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative financial instrument asset $ 0 $ 792
Financial Assets 3,238 12,631
Derivative Liability (787) 0
Financial Liabilities (787) 0
Significant other observable inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative financial instrument asset 0 792
Financial Assets 3,238 12,631
Derivative Liability (787) 0
Financial Liabilities (787) 0
Corporate Bond Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 3,238 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 $ 3,238 $ 11,839