Noncontrolling Interests In Subsidiaries (Schedule Of Activity Of Noncontrolling Interests) (Details) - USD ($) $ in Thousands |
3 Months Ended |
6 Months Ended |
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
| Noncontrolling Interest [Line Items] |
|
|
|
|
| Balance, value |
|
|
$ 192,428
|
|
| Unit distributions |
|
|
(4,396)
|
|
| Redeemable noncontrolling interest |
$ (2,989)
|
$ (2,682)
|
(5,788)
|
$ (3,474)
|
| Redemption of common units for common stock, value |
|
|
|
|
| Other comprehensive income (loss) |
|
|
6,933
|
|
| Rebalancing of ownership percentage between parent and subsidiaries |
|
|
|
|
| Balance, value |
190,069
|
|
190,069
|
|
| Noncontrolling Interests In Subsidiaries [Member] |
|
|
|
|
| Noncontrolling Interest [Line Items] |
|
|
|
|
| Balance, value |
|
|
192,428
|
199,516
|
| Net income |
|
|
10,404
|
1,055
|
| Issuance of limited partner common units |
|
|
|
2,793
|
| Unit distributions |
|
|
(4,396)
|
(3,961)
|
| Redeemable noncontrolling interest |
|
|
(6,485)
|
(4,906)
|
| Decrease in noncontrolling interest in consolidated joint ventures |
|
|
51
|
(1,081)
|
| Redemption of common units for common stock, value |
|
|
(3,741)
|
(2,531)
|
| Stock compensation |
|
|
2,238
|
1,973
|
| Cancellation of restricted shares |
|
|
(289)
|
|
| Other comprehensive income (loss) |
|
|
706
|
(13)
|
| Rebalancing of ownership percentage between parent and subsidiaries |
|
|
(847)
|
(2,888)
|
| Balance, value |
$ 190,069
|
$ 189,957
|
$ 190,069
|
$ 189,957
|