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Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Tables) | 12 Months Ended
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Dec. 31, 2017
Accounting Policies [Abstract] |
Expected Useful Lives Of Depreciable Property | Depreciation and amortization is computed over the expected useful lives of depreciable property on a straight-line basis with lives generally as follows:
| Estimated Useful Life
Buildings and improvements | 5-35 years
Furniture, fixtures, equipment and other | 3-20 years
Intangible assets/liabilities (in-place leases and below market leases) | underlying lease term

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