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Commitments and Contingencies - Narrative (Details)
66 Months Ended
Jun. 30, 2017
USD ($)
Loss Contingencies [Line Items]  
Maximum future payment obligation of the guaranteed value and associated liabilities $ 4,000,000
Geographic Concentration Risk | Sales Revenue, Net | TURKEY  
Loss Contingencies [Line Items]  
Concentration risk, percentage 0.50%