Declaration of Distributions - Additional Information (Detail) - $ / shares
9 Months Ended
Sep. 30, 2020
Sep. 25, 2020
Aug. 31, 2020
Jul. 31, 2020
Jun. 30, 2020
May 31, 2020
Apr. 30, 2020
Class A Common stock              
Dividend Declared [Line Items]              
Common stock per share outstanding per day authorized $ 0.00164 $ 0.00164 $ 0.00164 $ 0.00164 $ 0.00164 $ 0.00164 $ 0.00164
Cash distribution record date start Oct. 01, 2020            
Cash distribution record date end Dec. 31, 2020            
Class T Common stock              
Dividend Declared [Line Items]              
Common stock per share outstanding per day authorized $ 0.00164 $ 0.00164 $ 0.00164 $ 0.00164 $ 0.00164 $ 0.00164 $ 0.00164
Common stock dividends payable per share per day $ 0.0014