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Schedule of Debt (Parentheticals) (Details) - Variable Rate Mortgage Loans [Member] - London Interbank Offered Rate (LIBOR) [Member]
Sep. 30, 2019
Minimum [Member]  
Debt Instrument [Line Items]  
Debt instrument, effective fixed interest rate 2.50%
Maximum [Member]  
Debt Instrument [Line Items]  
Debt instrument, effective fixed interest rate 4.10%