Investments In Unconsolidated Joint Ventures (Narrative) (Details)
$ in Thousands |
3 Months Ended |
6 Months Ended |
|
|
Jun. 30, 2016
USD ($)
|
Jun. 30, 2017
USD ($)
ft²
property
item
|
Dec. 31, 2016
USD ($)
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Company's net investment in unconsolidated joint ventures |
|
$ 315,110
|
$ 320,047
|
| Area of mixed use project (in square feet) | ft² |
|
81,700
|
|
| Amount outstanding |
|
$ 770,388
|
634,069
|
| Management, leasing, development and other services fees |
$ 3,700
|
700
|
|
| Accounts receivable due from unconsolidated joint ventures |
|
700
|
$ 700
|
| Maximum exposure to loss |
|
212,700
|
|
| Estimated future funding commitments |
|
$ 24,800
|
|
| Unconsolidated Joint Venture Office Buildings [Member] |
|
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Number of properties | property |
|
5
|
|
| Unconsolidated Joint Venture Office And Retail Buildings [Member] |
|
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Area of property (in square feet) | ft² |
|
1,400,000
|
|
| Unconsolidated Joint Venture Retail Buildings [Member] |
|
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Number of properties | property |
|
2
|
|
| Unconsolidated Joint Venture Multi-Family Properties [Member] |
|
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Number of properties | property |
|
8
|
|
| Number of units | item |
|
3,275
|
|
| 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 |
|
59
|
|
| Unconsolidated Joint Venture Land Parcels [Member] |
|
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Number of units | item |
|
4,348
|
|
| Unconsolidated Joint Ventures [Member] | Guarantee of Indebtedness of Others [Member] |
|
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Maximum borrowing capacity |
|
$ 206,000
|
|
| Amount outstanding |
|
189,500
|
|
| Unconsolidated Joint Ventures [Member] | Parent Company [Member] | Guarantee of Indebtedness of Others [Member] |
|
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Maximum guaranteed amount |
|
24,800
|
|
| Guaranteed amount |
|
$ 22,700
|
|
| Minimum [Member] |
|
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
|
| Percentage of interest in venture |
|
12.50%
|
|
| 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] |
|
|
|
| Company's net investment in unconsolidated joint ventures |
|
$ 187,900
|
|
| Number of VIEs | property |
|
4
|
|