Investments In Unconsolidated Joint Ventures (Narrative) (Details)
$ in Thousands |
12 Months Ended |
|
|
Dec. 31, 2018
USD ($)
ft²
property
item
|
Dec. 31, 2017
USD ($)
|
Dec. 31, 2016
USD ($)
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Carrying Value |
$ 232,750
|
$ 252,626
|
|
| Number of units | item |
1,317
|
|
|
| Amount outstanding |
$ 790,939
|
822,288
|
|
| Management, leasing, development and other services fees |
2,400
|
2,800
|
|
| Accounts receivable due from unconsolidated joint ventures |
200
|
800
|
|
| Maximum exposure to loss |
165,400
|
|
|
| Estimated future funding commitments |
35,800
|
|
|
| Mortgage Loans on Real Estate |
$ 45,242
|
$ 45,734
|
|
| Unconsolidated Joint Venture Office Buildings [Member] |
|
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Number of properties | property |
4
|
|
|
| Area of property (in square feet) | ft² |
500,000
|
|
|
| Unconsolidated Joint Venture Retail Buildings [Member] |
|
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Number of properties | property |
2
|
|
|
| Area of mixed use project (in square feet) | ft² |
81,700
|
|
|
| Unconsolidated Joint Venture Multi-Family Properties [Member] |
|
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Number of properties | property |
8
|
|
|
| Number of units | item |
2,922
|
|
|
| Unconsolidated Joint Venture Hotel [Member] |
|
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Number of units | item |
350
|
|
|
| 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 |
3,738
|
|
|
| Unconsolidated Joint Ventures [Member] | Guarantee of Indebtedness of Others [Member] |
|
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Maximum borrowing capacity |
$ 316,900
|
|
|
| Amount outstanding |
204,900
|
|
|
| Unconsolidated Joint Ventures [Member] | Parent Company [Member] | Guarantee of Indebtedness of Others [Member] |
|
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Maximum borrowing capacity |
35,800
|
|
|
| Amount outstanding |
$ 24,600
|
|
|
| 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 |
$ 129,500
|
|
|
| Number of VIEs | property |
4
|
|
|