Quarterly report pursuant to Section 13 or 15(d)

Mortgages Receivable, net - Additional Information (Details)

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Mortgages Receivable, net - Additional Information (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2024
USD ($)
borrower
Mar. 31, 2023
USD ($)
Dec. 31, 2023
USD ($)
borrower
Mortgages Receivable      
Aggregate amounts of loans funded $ 42,654,300 $ 58,883,824  
Principal collections on mortgages receivable 51,398,181 39,884,300  
Face amount of mortgages $ 38,100,000 29,900,000  
Default interest rate on mortgage loans 18.00%    
One borrower      
Mortgages Receivable      
Number Of Borrowers | borrower 1   1
Outstanding mortgage loan portfolio $ 53,200,000   $ 50,400,000
Nonaccrual loans      
Mortgages Receivable      
Loans on nonaccrual status 85,700,000   $ 84,600,000
Interest income on nonaccrual loans $ 300,000 $ 600,000  
Mortgage Concentration Risk | Revenue Benchmark | One borrower      
Mortgages Receivable      
Loans outstanding (in percent) 10.80%   10.10%
Minimum      
Mortgages Receivable      
Term of debt 1 year    
Interest rate (as a percent) 5.00% 5.00%  
Maximum      
Mortgages Receivable      
Term of debt 3 years    
Interest rate (as a percent) 15.00% 14.20%