Mortgages, Loans Payable And Other Obligations (Narrative) (Details)
|
3 Months Ended |
|
|
Mar. 31, 2017
USD ($)
property
|
Mar. 31, 2016
USD ($)
|
Dec. 31, 2016
USD ($)
|
| Debt Instrument [Line Items] |
|
|
|
| Number of properties with encumbered company mortgages | property |
14
|
|
|
| Carrying value of encumbered properties |
$ 1,400,000,000
|
|
|
| Cash paid for interest |
15,180,000
|
$ 28,090,000
|
|
| Interest capitalized |
4,997,000
|
4,561,000
|
|
| Total indebtedness |
$ 2,751,244,000
|
|
$ 2,357,055,000
|
| Total indebtedness, weighted average interest rate |
3.81%
|
|
3.79%
|
| Projects Under Development And Developable Land [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Number of properties with encumbered company mortgages | property |
6
|
|
|
| Other Property [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Carrying value of encumbered properties |
$ 326,000,000
|
|
|
| Revolving Credit Facility Borrowing And Other Variable Rate Mortgage Debt [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Total indebtedness |
$ 652,400,000
|
|
$ 481,282,000
|
| Total indebtedness, weighted average interest rate |
3.16%
|
|
2.93%
|
| Fixed Rate Debt And Other Obligations [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Total indebtedness |
$ 2,098,844,000
|
|
$ 1,875,773,000
|
| Total indebtedness, weighted average interest rate |
4.01%
|
|
4.01%
|
| Unconsolidated Joint Venture [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Interest capitalized |
$ 1,009,000
|
$ 1,458,000
|
|