Mortgage Loans Payable and Unsecured Credit Facility (Schedule of Debt and Finance Lease Obligations Related to Continuing Operations) (Parenthetical) (Details) |
9 Months Ended | |
---|---|---|
Aug. 04, 2020 |
Sep. 30, 2020 |
|
Unsecured Credit Facility [Member] | ||
Debt Instrument [Line Items] | ||
Expected increase in weighted average interest rate subject to increase in leverage ratio | 0.15% | |
Revolving Credit Facility [Member] | ||
Debt Instrument [Line Items] | ||
Line of credit facility extension allowed period | 1 year | 1 year |