Quarterly report pursuant to Section 13 or 15(d)

Investments In Unconsolidated Joint Ventures (Narrative) (Details)

v3.20.1
Investments In Unconsolidated Joint Ventures (Narrative) (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
USD ($)
ft²
property
item
Mar. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Schedule of Equity Method Investments [Line Items]      
Carrying Value $ 202,574   $ 209,091
Amount outstanding 277,000   329,000
Management, leasing, development and other services fees 600 $ 300  
Accounts receivable due from unconsolidated joint ventures 400   600
Maximum exposure to loss 148,800    
Estimated future funding commitments 35,000    
Unconsolidated Joint Venture Other Property [Member]      
Schedule of Equity Method Investments [Line Items]      
Carrying Value $ 202,574   $ 209,091
Unconsolidated Joint Venture Office Buildings [Member]      
Schedule of Equity Method Investments [Line Items]      
Number of properties | property 2    
Area of property (in square feet) | ft² 200,000    
Unconsolidated Joint Venture Retail Buildings [Member]      
Schedule of Equity Method Investments [Line Items]      
Number of properties | property 1    
Area of mixed use project (in square feet) | ft² 51,000    
Unconsolidated Joint Venture Multi-Family Properties [Member]      
Schedule of Equity Method Investments [Line Items]      
Number of properties | property 7    
Number of units | item 2,611    
Unconsolidated Joint Venture Hotel [Member]      
Schedule of Equity Method Investments [Line Items]      
Number of units | item 351    
Unconsolidated Joint Venture Development Projects [Member]      
Schedule of Equity Method Investments [Line Items]      
Number of units | item 360    
Unconsolidated Joint Venture Land Parcels [Member]      
Schedule of Equity Method Investments [Line Items]      
Number of units | item 3,220    
Unconsolidated Joint Ventures [Member] | Guarantee of Indebtedness of Others [Member]      
Schedule of Equity Method Investments [Line Items]      
Maximum borrowing capacity $ 322,200    
Amount outstanding 252,000    
Unconsolidated Joint Ventures [Member] | Parent Company [Member] | Guarantee of Indebtedness of Others [Member]      
Schedule of Equity Method Investments [Line Items]      
Maximum guaranteed amount 35,000    
Guaranteed amount $ 28,000    
Minimum [Member]      
Schedule of Equity Method Investments [Line Items]      
Percentage of interest in venture 20.00%    
Maximum [Member]      
Schedule of Equity Method Investments [Line Items]      
Percentage of interest in venture 85.00%    
Variable Interest Entity [Member]      
Schedule of Equity Method Investments [Line Items]      
Carrying Value $ 113,800    
Number of VIEs | property 3