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Loans Held for Investment - Loan risk rating - subnote (Details) - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Loans and Financing Receivable    
Allowance for loan losses $ 13,708,777 $ 13,658,481
Other    
Loans and Financing Receivable    
Allowance for loan losses $ 12,800,000 $ 12,800,000