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Future Rental Revenues (Tables) | 12 Months Ended
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Dec. 31, 2012
Minimum Lease Payments Receivable, Excluding Tenant Reimbursements of Expenses, Under Non-Cancelable Operating Leases | Minimum lease payments receivable, excluding tenant reimbursements of expenses, under non-cancelable operating leases in effect as of December 31, 2012 are approximately as follows:
2013 |  | $ | 239,906 |
2014 |  |  | 200,280 |
2015 |  |  | 163,521 |
2016 |  |  | 126,950 |
2017 |  |  | 99,841 |
Thereafter |  |  | 346,529 |
Total |  | $ | 1,177,027 |

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- Definition Schedule of future minimum rental payments receivable for operating leases. + References No definition available. + Details
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