Noncontrolling Interests In Subsidiaries (Schedule Of Activity Of Noncontrolling Interests) (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
|
| Noncontrolling Interest [Line Items] | ||
| Balance, value | $ 257,230 | |
| Common unit distributions | (3,308) | |
| Increase in noncontrolling interest in consolidated joint ventures | 158 | |
| Balance, value | 255,991 | |
| Noncontrolling Interests In Subsidiaries [Member] | ||
| Noncontrolling Interest [Line Items] | ||
| Balance, value | 257,230 | $ 276,096 |
| Net income | 3,206 | 3,894 |
| Common unit distributions | (3,308) | (5,129) |
| Increase in noncontrolling interest in consolidated joint ventures | 158 | 35 |
| Redemption of common units for common stock | (1,306) | (12,873) |
| Rebalancing of ownership percentage between parent and subsidiaries | 11 | 162 |
| Balance, value | $ 255,991 | $ 262,185 |