Noncontrolling Interests In Subsidiaries (Schedule Of Activity Of Noncontrolling Interests) (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
|
| Noncontrolling Interest [Line Items] | ||
| Balance, value | $ 228,032 | |
| Unit distributions | (3,274) | |
| Acquisition/increase in noncontrolling interest in consolidated joint ventures | (35,130) | |
| Other comprehensive income (loss) | (9,253) | |
| Balance, value | 200,815 | |
| Noncontrolling Interests In Subsidiaries [Member] | ||
| Noncontrolling Interest [Line Items] | ||
| Balance, value | 228,032 | $ 257,230 |
| Net income | 12,551 | 3,206 |
| Unit distributions | (3,274) | (3,308) |
| Acquisition/increase in noncontrolling interest in consolidated joint ventures | (35,544) | 158 |
| Redemption of common units for common stock | (308) | (1,306) |
| Stock compensation | 842 | |
| Other comprehensive income (loss) | (970) | |
| Rebalancing of ownership percentage between parent and subsidiaries | (514) | 11 |
| Balance, value | $ 200,815 | $ 255,991 |