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Property And Equipment (Summary Of Investment And Development Property) (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |  |
Investment and development property, net | $ 73,751 | $ 43,687 | [1]
Land [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Investment and development property, net | 25,285 | 24,616 |
Building [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Investment and development property, net | 1,900 | 1,900 |
Construction-In-Progress (including capitalized interest) [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Investment and development property, net | $ 46,566 | $ 17,171 |
[1] | Certain 2016 balances have been reclassified to conform to the 2017 presentation (see Note 2 - Summary of Significant Accounting Policies - Reclassifications).

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- Definition Properties owned by the entity in a status of either being held for development or currently under development for the ultimate purpose to either sell or be operated by the entity. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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