Annual report pursuant to Section 13 and 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
Dec. 31, 2021
USD ($)
ft²
Dec. 31, 2020
USD ($)
ft²
Dec. 31, 2019
ft²
Dec. 31, 2016
ft²
Jul. 31, 2014
ft²
Nov. 30, 2013
ft²
Oct. 31, 2012
ft²
Schedule of Equity Method Investments [Line Items]              
Square Feet | ft²     878        
Columbus [Member]              
Schedule of Equity Method Investments [Line Items]              
Ownership % 50.00% 50.00%          
Square Feet | ft² 355 355   355      
Investments included in investments in unconsolidated joint ventures $ 200 $ 2,000          
RioCan Canada [Member]              
Schedule of Equity Method Investments [Line Items]              
Ownership % 50.00% 50.00%          
Square Feet | ft² 665 765          
Investments included in investments in unconsolidated joint ventures $ 82,400 $ 92,600          
Charlotte [Member]              
Schedule of Equity Method Investments [Line Items]              
Ownership % 50.00% 50.00%          
Square Feet | ft² 399 399     398    
Investments included in other liabilities $ (16,200) $ (12,800)          
National Harbor [Member]              
Schedule of Equity Method Investments [Line Items]              
Ownership % 50.00% 50.00%          
Square Feet | ft² 341 341       341  
Investments included in other liabilities $ (11,200) $ (8,400)          
Galveston/Houston [Member]              
Schedule of Equity Method Investments [Line Items]              
Ownership % 50.00% 50.00%          
Square Feet | ft² 353 353         353
Investments included in other liabilities $ (14,000) $ (19,500)          
Charlotte, National Harbor and Galveston/Houston              
Schedule of Equity Method Investments [Line Items]              
Investments included in other liabilities (41,400) (40,700)          
Columbus and Rio Can              
Schedule of Equity Method Investments [Line Items]              
Investments included in investments in unconsolidated joint ventures 82,600 94,600          
Unconsolidated Properties [Member]              
Schedule of Equity Method Investments [Line Items]              
Total Joint Venture Debt, Net 329,460 344,856          
Unconsolidated Properties [Member] | Columbus [Member]              
Schedule of Equity Method Investments [Line Items]              
Total Joint Venture Debt, Net 70,900 70,800          
Unconsolidated Properties [Member] | RioCan Canada [Member]              
Schedule of Equity Method Investments [Line Items]              
Total Joint Venture Debt, Net 0 0          
Unconsolidated Properties [Member] | Charlotte [Member]              
Schedule of Equity Method Investments [Line Items]              
Total Joint Venture Debt, Net 99,600 99,600          
Unconsolidated Properties [Member] | National Harbor [Member]              
Schedule of Equity Method Investments [Line Items]              
Total Joint Venture Debt, Net 94,500 94,500          
Unconsolidated Properties [Member] | Galveston/Houston [Member]              
Schedule of Equity Method Investments [Line Items]              
Total Joint Venture Debt, Net 64,400 80,000          
Mortgages [Member] | Unconsolidated Properties [Member]              
Schedule of Equity Method Investments [Line Items]              
Debt origination costs and premiums $ 1,000 $ 1,100