Segment Reporting (Schedule Of Reconciliation Of Net Operating Income To Net Income Available To Common Shareholders) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Jun. 30, 2015 |
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| Segment Reporting [Abstract] | ||||||
| Net operating income | [1] | $ 47,427 | $ 40,907 | $ 90,503 | $ 78,240 | |
| Depreciation and amortization | (43,459) | (42,365) | (86,522) | (83,167) | ||
| Gain on change of control of interests | 5,191 | 15,347 | ||||
| Realized gains (losses) and unrealized losses on disposition of rental property, net | 27,117 | 34,399 | 85,717 | 34,543 | ||
| Gain on sale of investment in unconsolidated joint ventures | 5,670 | 6,448 | 5,670 | 6,448 | ||
| Gain from extinguishment of debt | 12,420 | 12,420 | ||||
| Net income | 54,366 | 39,389 | 123,135 | 36,064 | ||
| Noncontrolling interest in consolidated joint ventures | (311) | 373 | 395 | 863 | ||
| Noncontrolling interest in Operating Partnership | (5,662) | (4,383) | (12,946) | (4,069) | ||
| Net income available to common shareholders | $ 48,393 | $ 35,379 | $ 110,584 | $ 32,858 | ||
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