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Summary of Significant Accounting Policies - Revenue Recognition (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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| Accounting Policies [Abstract] | ||
| Straight-line rent adjustments | $ 34.6us-gaap_StraightLineRentAdjustments | $ 30.9us-gaap_StraightLineRentAdjustments |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of the adjustment to rental revenues to measure escalating leasing revenues on a straight line basis. No definition available.
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