Annual report pursuant to Section 13 and 15(d)

Investments In Unconsolidated Joint Ventures (Summary Of Results Of Operations Of Unconsolidated Joint Ventures) (Details)

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Investments In Unconsolidated Joint Ventures (Summary Of Results Of Operations Of Unconsolidated Joint Ventures) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Investments In Unconsolidated Joint Ventures [Abstract]      
Total revenues $ 358,751 $ 377,711 $ 318,980
Operating and other expenses (297,492) (262,703) (220,982)
Depreciation and amortization (31,020) (75,512) (71,711)
Interest expense (25,822) (58,390) (52,972)
Net income (loss) $ 4,417 $ (18,894) $ (26,685)