Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
Investments in Unconsolidated Real Estate Joint Ventures - Narrative (Details)
1 Months Ended 5 Months Ended 12 Months Ended
Nov. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
Extension
Feb. 23, 2021
USD ($)
Dec. 31, 2020
USD ($)
ft²
Nov. 30, 2020
USD ($)
Jun. 30, 2020
May 31, 2020
USD ($)
Oct. 31, 2019
Jul. 31, 2019
USD ($)
ft²
May 31, 2019
USD ($)
ft²
Dec. 31, 2018
USD ($)
Jun. 30, 2018
USD ($)
Jul. 31, 2017
USD ($)
Nov. 30, 2016
USD ($)
Extension
May 31, 2018
USD ($)
Dec. 31, 2020
USD ($)
ft²
Dec. 31, 2019
USD ($)
ft²
Dec. 31, 2017
ft²
Dec. 31, 2016
ft²
Jul. 31, 2014
ft²
Nov. 30, 2013
ft²
Oct. 31, 2012
ft²
Schedule of Equity Method Investments [Line Items]                                            
Difference in basis       $ 3,600,000                       $ 3,600,000 $ 3,800,000          
Square Feet | ft²       878,000                       878,000            
Net proceeds on sale of assets                               $ 128,505,000            
Gain on sale of assets                               $ 43,422,000            
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Land outparcel [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Square Feet | ft²                 0                          
Net proceeds on sale of assets                 $ 257,000                          
Gain on sale of assets                 $ 0                          
Charlotte [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Square Feet | ft²       399,000                       399,000 399,000     398,000    
Ownership %       50.00%                       50.00% 50.00%          
Columbus [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Square Feet | ft²       355,000                       355,000 355,000   355,000      
Ownership %       50.00%                       50.00% 50.00%          
Galveston/Houston [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Square Feet | ft²       353,000                       353,000 353,000         353,000
Ownership %       50.00%                       50.00% 50.00%          
National Harbor [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Square Feet | ft²       341,000                       341,000 341,000       341,000  
Ownership %       50.00%                       50.00% 50.00%          
RioCan Canada [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Square Feet | ft²       765,000                       765,000 764,000          
Ownership %       50.00%                       50.00% 50.00%          
Ottawa [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Square Feet | ft²                                   357,000        
Estimated square feet of expansion | ft²                                     39,000      
Ottawa [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Land outparcel [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Net proceeds on sale of assets         $ 5,500,000                                  
Gain on sale of assets         2,000,000.0                                  
Our Share of Proceeds from Sale of Other Real Estate         2,800,000                                  
Our share of Gain (Loss) on Disposal         1,000,000.0                                  
Cookstown [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Square Feet | ft²       308,000                       308,000            
Les Factoreries St. Sauveur Property [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Square Feet | ft²       116,000                       116,000            
Bromont Outlet Mall Property [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Square Feet | ft²                   161,000                        
Net proceeds on sale of assets                   $ 6,400,000                        
Our Share of Proceeds from Sale of Other Real Estate                   3,200,000                        
Foreign currency loss                   $ 3,600,000                        
Mortgages [Member] | Debt [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Guarantor obligations, current carrying value       $ 21,900,000                       $ 21,900,000            
Mortgages [Member] | Columbus [Member] | Debt [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Guarantor obligations, current carrying value       11,900,000 6,400,000                     11,900,000            
Unconsolidated Properties [Member] | RioCan Canada [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Repayments of Debt             $ 8,300,000                              
Unconsolidated Properties [Member] | Mortgages [Member] | Charlotte [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Stated Interest Rate(s)                       4.30%                    
Principal                       $ 100,000,000.0     $ 90,000,000.0              
Basis spread on variable rate                             1.45%              
Proceeds from joint venture debt                       $ 9,300,000                    
Unconsolidated Properties [Member] | Mortgages [Member] | Columbus [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Principal       $ 71,000,000.0 $ 85,000,000.0                 $ 85,000,000.0   71,000,000.0            
Basis spread on variable rate       1.85% 1.65%                 1.65%                
Proceeds from joint venture debt                           $ 84,200,000                
Number of mortgage extensions | Extension                           2                
Term of debt extension               1 year           1 year                
Unconsolidated Properties [Member] | Mortgages [Member] | Galveston/Houston [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Principal   $ 65,000,000.0                                        
Basis spread on variable rate   1.50%   1.65%                 1.65%                  
Proceeds from joint venture debt                         $ 14,500,000                  
Number of mortgage extensions | Extension   2                                        
Term of debt extension           6 months 1 year                              
Borrowing capacity   $ 70,000,000.0   $ 80,000,000.0                 $ 80,000,000.0     $ 80,000,000.0            
Unconsolidated Properties [Member] | Mortgages [Member] | Galveston/Houston [Member] | Subsequent Event [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Basis spread on variable rate     1.85%                                      
Borrowing capacity     $ 64,500,000                                      
Unconsolidated Properties [Member] | Mortgages [Member] | National Harbor [Member]                                            
Schedule of Equity Method Investments [Line Items]                                            
Stated Interest Rate(s)                     4.60%                      
Principal $ 87,000,000.0                   $ 95,000,000.0                      
Basis spread on variable rate 1.65%                                          
Proceeds from joint venture debt                     $ 7,400,000