Annual report pursuant to Section 13 and 15(d)

SCHEDULE IV - MORTGAGE LOANS ON REAL ESTATE - Reconciliation of Mortgage Loans (Details)

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SCHEDULE IV - MORTGAGE LOANS ON REAL ESTATE - Reconciliation of Mortgage Loans (Details) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]      
Beginning balance $ 1,209,736 $ 1,235,000 $ 1,300,000
Additions:      
Interest receivable 0 18,069 0
Total Additions 0 18,069 0
Deductions:      
Principal repayments 155,007 43,333 65,000
Principal, interest and deferred costs write up 18,069 0 0
Total deductions 173,076 43,333 65,000
Ending balance $ 1,036,660 $ 1,209,736 $ 1,235,000