Investments In Unconsolidated Real Estate Funds Investments in Unconsolidated Real Estate Funds (Description of Funds) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Real Estate Investments, Net [Abstract]
Operating distributions received	$ 2,668	$ 1,068	$ 909
Capital distributions received	24,170	10,788	11,514
Total distributions received	$ 26,838	$ 11,856	$ 12,423

Proceeds from Equity Method Investment, Operating Distributions

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