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Summary of Significant Accounting Policies (Revenue Recognition) (Details) | 12 Months Ended
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Dec. 31, 2012
Summary of Significant Accounting Policies [Abstract] |
Tenant reimbursements period related to certain capital expenditures, minimum (in years) | 5 years
Tenant reimbursements period related to certain capital expenditures, maximum (in years) | 15 years

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- Details
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- Definition Tenant Reimbursements Period Related to Certain Capital Expenditure Maximum, in Years + References No definition available. + Details
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- Definition Tenant Reimbursements Period Related to Certain Capital Expenditure Minimum, in Years + References No definition available. + Details
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