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Equity - Schedule of Share Redemptions (Details) - Common Stock - $ / shares
3 Months Ended 77 Months Ended 80 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Mar. 31, 2021
Class of Stock [Line Items]        
Stock redeemed during period (in shares) 772,265 548,312    
Weighted average price per share (in dollars per share) $ 8.96 $ 9.32    
Share Redemption Program        
Class of Stock [Line Items]        
Stock redeemed during period (in shares) 771,109     26,844,716
Weighted average price per share (in dollars per share)     $ 9.40