Commitments And Contingencies (Ground Lease Agreements) (Narrative) (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Commitments And Contingencies [Abstract] | |||
| Ground lease expense incurred | $ 1,500,000 | $ 406,000 | $ 406,000 |
| X | ||||||||||
- Definition Rent expense for each period for which an income statement is presented for minimum lease payments, contingent rentals, and sublease rentals. No definition available.
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| X | ||||||||||
- References No definition available.
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