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Fair Value Measurements - Additional Information (Detail) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Nov. 30, 2020
Nov. 25, 2020
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Estimated fair value of investment in real estate, net $ 552,070,000 $ 179,370,000    
Estimated fair value of investments in real estate-related assets $ 35,015,574 32,738,630    
Equity investment 100.00%      
Estimated fair value of loans payable excluding deferred financing costs $ 308,800,942 $ 86,521,068    
Station DST [Member]        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Equity investment 15.00%   15.00% 15.00%