Mortgages, Loans Payable And Other Obligations (Narrative) (Details)
|
6 Months Ended |
|
|
Jun. 30, 2016
USD ($)
property
|
Jun. 30, 2015
USD ($)
|
Dec. 31, 2015
USD ($)
|
| Debt Instrument [Line Items] |
|
|
|
| Number of properties with encumbered company mortgages | property |
24
|
|
|
| Carrying value of encumbered properties |
$ 857,000,000
|
|
|
| Cash paid for interest |
61,979,000
|
$ 53,353,000
|
|
| Interest capitalized |
9,346,000
|
7,388,000
|
|
| Total indebtedness |
$ 2,274,798,000
|
|
$ 2,154,920,000
|
| Total indebtedness, weighted average interest rate |
4.79%
|
|
5.22%
|
| Projects Under Development And Developable Land [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Number of properties with encumbered company mortgages | property |
5
|
|
|
| Other Property [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Carrying value of encumbered properties |
$ 219,000,000
|
|
|
| Revolving Credit Facility Borrowing And Other Variable Rate Mortgage Debt [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Total indebtedness |
$ 254,343,000
|
|
$ 292,399,000
|
| Total indebtedness, weighted average interest rate |
3.72%
|
|
2.81%
|
| Fixed Rate Debt And Other Obligations [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Total indebtedness |
$ 2,020,455,000
|
|
$ 1,862,521,000
|
| Total indebtedness, weighted average interest rate |
4.93%
|
|
5.60%
|
| Unconsolidated Joint Venture [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Interest capitalized |
$ 2,771,000
|
$ 2,314,000
|
|