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Investments in Unconsolidated Joint Ventures (Summary Of Financial Information For Joint Ventures) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Equity Method Investments and Joint Ventures [Abstract] |  |  |  |  |
Net Investment in Properties |  |  | $ 1,045,943 |  | $ 1,061,950
Total Assets | $ 1,338,295 |  | 1,338,295 |  | 1,375,006
Debt | 719,801 |  | 719,801 |  | 712,690
Total Liabilities | 847,814 |  | 847,814 |  | 869,879
Equity | 490,481 |  | 490,481 |  | 505,127
Our investment in and share of equity in earnings of unconsolidated joint ventures | 169,919 |  | 169,919 |  | $ 163,477
Revenues |  |  | 159,336 | $ 106,793 |
Property Operating Expense |  |  | (56,603) | (32,869) |
Net Operating Income |  |  | 102,733 | 73,924 |
Net Income |  |  | 31,193 | 32,545 |
Investment in and share of net income (loss) | $ 8,886 | $ 5,880 | $ 23,734 | $ 19,592 |

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