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Declaration of Distributions - Narrative (Details) - $ / shares
3 Months Ended 9 Months Ended
Sep. 12, 2018
May 09, 2018
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Declaration of Distributions [Abstract]            
Dividends paid (in USD per share)     $ 0.0015068493      
Distributions declared, daily accrual (usd per share) $ 0.0015068493 $ 0.0015068493 $ 0.14 $ 0.14 $ 0.42 $ 0.42