Noncontrolling Interests In Subsidiaries (Schedule Of Activity Of Noncontrolling Interests) (Details) - USD ($) $ in Thousands |
3 Months Ended |
Mar. 31, 2018 |
Mar. 31, 2017 |
| Noncontrolling Interest [Line Items] |
|
|
| Balance, value |
$ 192,428
|
|
| Common unit distributions |
(2,260)
|
|
| Redeemable noncontrolling interest |
(2,799)
|
$ (792)
|
| Redemption of common units for common stock, value |
|
|
| Other comprehensive income (loss) |
5,145
|
|
| Rebalancing of ownership percentage between parent and subsidiaries |
|
|
| Balance, value |
192,820
|
|
| Noncontrolling Interests In Subsidiaries [Member] |
|
|
| Noncontrolling Interest [Line Items] |
|
|
| Balance, value |
192,428
|
199,516
|
| Net income |
7,652
|
2,850
|
| Common unit distributions |
(2,260)
|
(1,647)
|
| Redeemable noncontrolling interest |
(3,112)
|
(1,930)
|
| Decrease in noncontrolling interest in consolidated joint ventures |
|
(14)
|
| Redemption of common units for common stock, value |
(3,690)
|
(2,531)
|
| Stock compensation |
2,015
|
644
|
| Cancellation of restricted shares |
(177)
|
|
| Other comprehensive income (loss) |
524
|
127
|
| Rebalancing of ownership percentage between parent and subsidiaries |
(560)
|
(443)
|
| Balance, value |
$ 192,820
|
$ 196,572
|