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Debt - Narratives - Obligations Under Participation Agreements and Secured Borrowing (Details) - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Debt Instrument    
Participation mortgage loan $ 0 $ 91,940,062
Carrying Value 558,019,000 469,673,314
Unarmortized Finance Cost 6,269,467 5,900,000
Participating Mortgage Loan    
Debt Instrument    
Participation mortgage loan 58,587,148 42,232,027
Carrying Value $ 124,567,806 $ 100,974,244
Participating Mortgage Loan | Weighted average    
Debt Instrument    
Participating Mortgage Loans, Mortgage Interest Rate 11.10% 10.40%
Secured borrowing    
Debt Instrument    
Participation mortgage loan $ 37,503,542 $ 34,586,129
Carrying Value $ 54,416,729 $ 50,264,568