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Debt Obligations (Details) - Revolving Credit Facility - USD ($)
Apr. 19, 2016
Jun. 30, 2016
Line of Credit Facility [Line Items]    
Line of credit, term 3 years  
Line of credit, borrowing capacity $ 200,000,000  
Line of credit, commitment fee rate 0.35%  
Line of credit, amount borrowed   $ 0