Quarterly report pursuant to Section 13 or 15(d)

Investments in Unconsolidated Real Estate Joint Ventures (Unconsolidated Real Estate Joint Ventures) (Details)

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Investments in Unconsolidated Real Estate Joint Ventures (Unconsolidated Real Estate Joint Ventures) (Details)
ft² in Thousands, $ in Thousands
Jun. 30, 2022
USD ($)
ft²
Dec. 31, 2021
USD ($)
ft²
Schedule of Equity Method Investments [Line Items]    
Total Joint Venture Debt, Net $ 60,146 $ 62,474
Unconsolidated Properties    
Schedule of Equity Method Investments [Line Items]    
Total Joint Venture Debt, Net 329,535 329,460
Unconsolidated Properties | Mortgages    
Schedule of Equity Method Investments [Line Items]    
Net of debt origination costs (1,000) (1,000)
Investments In Unconsolidated Joint Ventures    
Schedule of Equity Method Investments [Line Items]    
Carrying Value of Investment $ 80,000 $ 82,600
Investments In Unconsolidated Joint Ventures | RioCan Canada    
Schedule of Equity Method Investments [Line Items]    
Ownership % 50.00% 50.00%
Square feet | ft² 665 665
Carrying Value of Investment $ 80,000 $ 82,400
Investments In Unconsolidated Joint Ventures | RioCan Canada | Unconsolidated Properties    
Schedule of Equity Method Investments [Line Items]    
Total Joint Venture Debt, Net 0 $ 0
Investments In Unconsolidated Joint Ventures | Columbus    
Schedule of Equity Method Investments [Line Items]    
Ownership %   50.00%
Square feet | ft²   355
Carrying Value of Investment   $ 200
Investments In Unconsolidated Joint Ventures | Columbus | Unconsolidated Properties    
Schedule of Equity Method Investments [Line Items]    
Total Joint Venture Debt, Net   70,900
Other Liabilities    
Schedule of Equity Method Investments [Line Items]    
Carrying Value of Investment $ 46,200 $ 41,400
Other Liabilities | Columbus    
Schedule of Equity Method Investments [Line Items]    
Ownership % 50.00%  
Square feet | ft² 355  
Carrying Value of Investment $ 1,200  
Other Liabilities | Columbus | Unconsolidated Properties    
Schedule of Equity Method Investments [Line Items]    
Total Joint Venture Debt, Net $ 70,900  
Other Liabilities | Charlotte    
Schedule of Equity Method Investments [Line Items]    
Ownership % 50.00% 50.00%
Square feet | ft² 399 399
Carrying Value of Investment $ 17,700 $ 16,200
Other Liabilities | Charlotte | Unconsolidated Properties    
Schedule of Equity Method Investments [Line Items]    
Total Joint Venture Debt, Net $ 99,600 $ 99,600
Other Liabilities | National Harbor    
Schedule of Equity Method Investments [Line Items]    
Ownership % 50.00% 50.00%
Square feet | ft² 341 341
Carrying Value of Investment $ 12,300 $ 11,200
Other Liabilities | National Harbor | Unconsolidated Properties    
Schedule of Equity Method Investments [Line Items]    
Total Joint Venture Debt, Net $ 94,600 $ 94,500
Other Liabilities | Galveston/Houston    
Schedule of Equity Method Investments [Line Items]    
Ownership % 50.00% 50.00%
Square feet | ft² 353 353
Carrying Value of Investment $ 15,000 $ 14,000
Other Liabilities | Galveston/Houston | Unconsolidated Properties    
Schedule of Equity Method Investments [Line Items]    
Total Joint Venture Debt, Net $ 64,400 $ 64,400