Investments in Unconsolidated Real Estate Joint Ventures (Unconsolidated Real Estate Joint Ventures) (Details) ft² in Thousands, $ in Thousands	Sep. 30, 2024 USD ($) ft²	Dec. 31, 2023 USD ($) ft²
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	$ 60,186	$ 64,041
Unconsolidated Properties
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	317,868	319,957
Unconsolidated Properties | Mortgages
Schedule of Equity Method Investments [Line Items]
Net discount and debt origination costs	$ (1,800)	$ (2,100)
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	$ 70,200	$ 71,900
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	$ 21,500	$ 20,800
Total Joint Venture Debt, Net	$ 98,000	$ 99,200
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	$ 11,700	$ 13,700
Total Joint Venture Debt, Net	$ 92,200	$ 93,300
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	$ 13,500	$ 13,000
Total Joint Venture Debt, Net	$ 57,300	$ 57,100
Columbus | Other Liabilities
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square feet | ft²	355	355
Carrying Value of Investment	$ 4,300	$ 3,400
Total Joint Venture Debt, Net	$ 70,400	$ 70,400
Charlotte, National Harbor, Galveston/Houston and Columbus | Other Liabilities
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square feet | ft²	1,448	1,448
Carrying Value of Investment	$ 51,000	$ 50,900
Total Joint Venture Debt, Net	$ 317,900	$ 320,000