Property And Equipment (Summary Of Investment And Development Property) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Investment and development property, net	$ 43,687	$ 23,002	[1],[2]
Land [Member]
Property, Plant and Equipment [Line Items]
Investment and development property, net	24,616	21,434
Building [Member]
Property, Plant and Equipment [Line Items]
Investment and development property, net	1,900
Construction-In-Progress (including capitalized interest) [Member]
Property, Plant and Equipment [Line Items]
Investment and development property, net	$ 17,171	$ 1,568

[1] Certain 2015 balances have been reclassified to conform to the 2016 presentation (see Note 2 - Summary of Significant Accounting Policies - Reclassifications).

[2] Certain 2015 balances included the restatement impact as a result of a change in accounting principle (see Note 2 - Summary of Significant Accounting Policies - Accounting Changes).