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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).

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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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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Balance Type: |
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