Investments in Unconsolidated Real Estate Joint Ventures (Unconsolidated Real Estate Joint Ventures) (Details) ft² in Thousands, $ in Thousands	Sep. 30, 2023 USD ($) ft²	Dec. 31, 2022 USD ($) ft²
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	$ 65,293	$ 68,971
Investments In Unconsolidated Joint Ventures
Schedule of Equity Method Investments [Line Items]
Carrying Value of Investment	72,300	73,800
Other Liabilities
Schedule of Equity Method Investments [Line Items]
Carrying Value of Investment	50,300	49,500
Unconsolidated Properties
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	320,636	329,009
Unconsolidated Properties | Mortgages
Schedule of Equity Method Investments [Line Items]
Net discount and debt origination costs	$ (2,200)	$ (1,500)
RioCan Canada | Investments In Unconsolidated Joint Ventures
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square feet | ft²	665	665
Carrying Value of Investment	$ 72,300	$ 73,800
RioCan Canada | Unconsolidated Properties | Investments In Unconsolidated Joint Ventures
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	$ 0	$ 0
Charlotte | Other Liabilities
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square feet | ft²	399	399
Carrying Value of Investment	$ 20,300	$ 18,800
Total Joint Venture Debt, Net	$ 99,600	$ 99,700
National Harbor | Other Liabilities
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square feet | ft²	341	341
Carrying Value of Investment	$ 13,800	$ 12,800
Total Joint Venture Debt, Net	$ 93,600	$ 94,600
Galveston/Houston | Other Liabilities
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square feet | ft²	353	353
Carrying Value of Investment	$ 13,300	$ 15,500
Total Joint Venture Debt, Net	$ 57,100	$ 64,500
Columbus | Other Liabilities
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square feet | ft²	355	355
Carrying Value of Investment	$ 2,900	$ 2,400
Total Joint Venture Debt, Net	$ 70,300	$ 70,300