Deferred Charges, Goodwill And Other Assets, Net (Schedule Of Deferred Charges, Goodwill And Other Assets) (Details) - USD ($)
|
9 Months Ended |
12 Months Ended |
Sep. 30, 2020 |
Dec. 31, 2019 |
| Deferred Charges, Goodwill And Other Assets [Line Items] |
|
|
| Deferred leasing costs |
$ 118,496,000
|
$ 142,424,000
|
| Deferred financing costs - unsecured revolving credit facility |
5,559,000
|
5,559,000
|
| Deferred charges, gross |
124,055,000
|
147,983,000
|
| Accumulated amortization |
(51,815,000)
|
(59,522,000)
|
| Deferred charges, net |
72,240,000
|
88,461,000
|
| Notes receivable |
1,292,000
|
1,625,000
|
| In-place lease values, related intangibles and other assets, net |
72,665,000
|
86,092,000
|
| Goodwill |
2,945,000
|
2,945,000
|
| Right of use assets |
22,604,000
|
22,604,000
|
| Prepaid expenses and other assets, net |
48,448,000
|
73,375,000
|
| Total deferred charges, goodwill and other assets, net |
220,194,000
|
275,102,000
|
| Liability |
23,800,000
|
|
| Acquisition-related Costs [Member] |
|
|
| Deferred Charges, Goodwill And Other Assets [Line Items] |
|
|
| Net sales proceeds held by qualified intermediary |
0
|
28,100,000
|
| Interest-Free Notes Receivable [Member] |
|
|
| Deferred Charges, Goodwill And Other Assets [Line Items] |
|
|
| Notes receivable |
$ 1,300,000
|
1,600,000
|
| Mortgage loan, maturity month and year |
April 2023
|
|
| Discontinued Operations [Member] |
|
|
| Deferred Charges, Goodwill And Other Assets [Line Items] |
|
|
| Total deferred charges, goodwill and other assets, net |
$ 50,400,000
|
$ 68,600,000
|