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Subsequent Events - Schedule of Distributions Declared (Details) - Class P Common Stock
3 Months Ended
Mar. 31, 2018
$ / shares
June 1, 2018 through June 30, 2018  
Subsequent Event [Line Items]  
Date Declared May 09, 2018
Distribution Period June 1, 2018 through June 30, 2018
Daily Distribution Amount $ 0.005260274
Date of Payment On or before July 9, 2018
July 1, 2018 through July 31, 2018  
Subsequent Event [Line Items]  
Date Declared May 09, 2018
Distribution Period July 1, 2018 through July 31, 2018
Daily Distribution Amount $ 0.005260274
Date of Payment On or before August 7, 2018
August 1, 2018 through August 31, 2018  
Subsequent Event [Line Items]  
Date Declared May 09, 2018
Distribution Period August 1, 2018 through August 31, 2018
Daily Distribution Amount $ 0.005260274
Date of Payment On or before September 10, 2018