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Mortgage and Commercial Loans Receivable - Commercial Loan/credit facility (Details) - USD ($)
3 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Commercial Loan Assets [Member]    
Deductions during the period:    
Principal Balance and Carrying Value Balance at end of period $ 4,386,000  
Commercial Loan [Member]    
Principal Balance and Carrying Value Balance at beginning of period 3,878,000 $ 2,750,000
Additions during the period:    
Borrowings   2,750,000
Deductions during the period:    
Collections of principal 996,000  
Principal Balance and Carrying Value Balance at end of period $ 2,882,000 $ 5,500,000
Funders [Member]    
Stated percentage 17.00%