Investments in Unconsolidated Real Estate Joint Ventures (Unconsolidated Real Estate Joint Ventures) (Details) ft² in Thousands, $ in Thousands	Sep. 30, 2025 USD ($) ft²	Dec. 31, 2024 USD ($) ft²
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	$ 186,050	$ 58,867
Unconsolidated Properties
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	316,529	317,191
Unconsolidated Properties | Mortgages
Schedule of Equity Method Investments [Line Items]
Net of debt origination costs	$ 1,700	$ 1,600
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	$ 65,700	$ 65,700
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	$ 20,500	$ 21,300
Total Joint Venture Debt, Net	$ 96,200	$ 97,600
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	$ 12,100	$ 11,100
Total Joint Venture Debt, Net	$ 90,600	$ 91,800
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	$ 13,700	$ 13,300
Total Joint Venture Debt, Net	$ 59,200	$ 57,400
Columbus | Other Liabilities
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square feet | ft²	355	355
Carrying Value of Investment	$ 5,700	$ 5,000
Total Joint Venture Debt, Net	$ 70,500	$ 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	$ 52,000	$ 50,700
Total Joint Venture Debt, Net	$ 316,500	$ 317,200