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Other Investments (Schedule of Summarized Investee Financial Information) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Marina Palms |  |
Equity Method Investments, Summarized Financial Information [Line Items] |  |
Revenues | $ 23,669 | $ 50,628
Expenses | (14,911) | (25,511)
Net Income Attributable to Parent Entities | 8,758 | 25,117
Net Lease Venture |  |
Equity Method Investments, Summarized Financial Information [Line Items] |  |
Revenues | 9,621 | 7,830
Expenses | (7,588) | (5,863)
Net Income Attributable to Parent Entities | $ 1,890 | $ 1,823

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