Mortgages, Loans Payable And Other Obligations (Narrative) (Details)
|
9 Months Ended |
|
|
Sep. 30, 2020
USD ($)
property
item
|
Sep. 30, 2019
USD ($)
|
Dec. 31, 2019
USD ($)
|
| Debt Instrument [Line Items] |
|
|
|
| Number of properties with encumbered company mortgages | property |
19
|
|
|
| Carrying value of encumbered properties |
$ 2,800,000,000
|
|
|
| Cash paid for interest |
72,874,000
|
$ 75,120,000
|
|
| Interest capitalized |
18,658,000
|
14,315,000
|
|
| Total indebtedness |
$ 2,895,882,000
|
|
$ 2,808,518,000
|
| Total indebtedness, weighted average interest rate |
3.66%
|
|
3.81%
|
| Discontinued Operations [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Cash paid for interest |
$ 3,862,000
|
3,848,000
|
|
| Projects Under Development And Developable Land [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Number of projects with encumbered company mortgages | item |
4
|
|
|
| Carrying value of encumbered properties |
$ 645,000,000
|
|
|
| Unconsolidated Joint Venture [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Interest capitalized |
1,017,000
|
$ 990,000
|
|
| Revolving Credit Facility Borrowing And Other Variable Rate Mortgage Debt [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Total indebtedness |
$ 562,361,000
|
|
$ 509,656,000
|
| Total indebtedness, weighted average interest rate |
2.83%
|
|
3.54%
|
| Fixed Rate Debt And Other Obligations [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Total indebtedness |
$ 2,333,521,000
|
|
$ 2,298,862,000
|
| Total indebtedness, weighted average interest rate |
3.86%
|
|
3.87%
|