Investments in Unconsolidated Real Estate Joint Ventures (Unconsolidated Real Estate Joint Ventures) (Details) ft² in Thousands, $ in Thousands	Mar. 31, 2026 USD ($) ft²	Dec. 31, 2025 USD ($) ft²
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	$ 184,418	$ 185,234
Unconsolidated Properties
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	314,960	315,747
Unconsolidated Properties | Mortgages
Schedule of Equity Method Investments [Line Items]
Net of debt origination costs	$ 1,600	$ 1,700
RioCan Canada | Balance Sheet Location [Axis]: us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square feet | ft²	665	665
Carrying Value of Investment	$ 64,800	$ 64,900
Total Joint Venture Debt, Net	$ 0	$ 0
Charlotte | Balance Sheet Location [Axis]: us-gaap:OtherLiabilities
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square feet | ft²	399	399
Carrying Value of Investment	$ 20,700	$ 20,500
Total Joint Venture Debt, Net	$ 95,300	$ 95,800
National Harbor | Balance Sheet Location [Axis]: us-gaap:OtherLiabilities
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square feet | ft²	341	341
Carrying Value of Investment	$ 12,400	$ 12,000
Total Joint Venture Debt, Net	$ 89,800	$ 90,200
Galveston/Houston | Balance Sheet Location [Axis]: us-gaap:OtherLiabilities
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square feet | ft²	353	353
Carrying Value of Investment	$ 13,900	$ 13,300
Total Joint Venture Debt, Net	$ 59,300	$ 59,200
Columbus | Balance Sheet Location [Axis]: us-gaap:OtherLiabilities
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square feet | ft²	355	355
Carrying Value of Investment	$ 7,200	$ 6,100
Total Joint Venture Debt, Net	$ 70,500	$ 70,500
Charlotte, National Harbor, Galveston/Houston and Columbus | Balance Sheet Location [Axis]: us-gaap:OtherLiabilities
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square feet | ft²	1,448	1,448
Carrying Value of Investment	$ 54,200	$ 51,900
Total Joint Venture Debt, Net	$ 314,900	$ 315,700