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Rental and Other Revenues; Rental Property and Other Expenses (Tables) | 12 Months Ended
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Dec. 31, 2011
Rental and Other Revenues; Rental Property And Other Expenses [Abstract] |
Schedule of Rental and Other Revenues | Our real estate assets are leased to customers under operating leases. The minimum rental amounts under the leases are generally subject to scheduled fixed increases. Generally, the leases also require that the customers reimburse us for increases in certain costs above the base-year costs. The following table sets forth rental and other revenues from continuing operations:
| Year Ended December 31,
| 2011 |  | 2010 |  | 2009
Contractual rents, net | $ | 420,285 |  |  | $ | 398,224 |  |  | $ | 392,360 |
Straight-line rental income, net | 12,828 |  |  | 11,349 |  |  | 3,644 |
Amortization of lease incentives | (1,371 | ) |  | (1,239 | ) |  | (1,100 | )
Property operating expense recoveries, net | 36,105 |  |  | 41,736 |  |  | 44,462 |
Lease termination fees | 2,443 |  |  | 2,992 |  |  | 1,813 |
Fee income | 5,571 |  |  | 5,466 |  |  | 5,155 |
Other miscellaneous operating revenues | 6,991 |  |  | 2,598 |  |  | 1,684 |
| $ | 482,852 |  |  | $ | 461,126 |  |  | $ | 448,018 |
Schedule of Future Minimum Rental Payments for Operating Leases | The following table sets forth scheduled future minimum base rents to be received from customers for leases in effect at December 31, 2011 for the Wholly Owned Properties:
2012 | $ | 448,420 |
2013 | 409,453 |
2014 | 352,743 |
2015 | 297,859 |
2016 | 247,283 |
Thereafter | 809,042 |
| $ | 2,564,800 |
Operating Costs and Other Expenses [Table Text Block] | The following table sets forth rental property and other expenses from continuing operations:
| Year Ended December 31,
| 2011 |  | 2010 |  | 2009
Utilities, insurance and real estate taxes | $ | 97,156 |  |  | $ | 90,838 |  |  | $ | 91,173 |
Maintenance, cleaning and general building | 61,700 |  |  | 56,877 |  |  | 55,840 |
Property management and administrative expenses | 11,624 |  |  | 11,203 |  |  | 11,702 |
Other miscellaneous operating expenses | 5,668 |  |  | 4,720 |  |  | 3,310 |
| $ | 176,148 |  |  | $ | 163,638 |  |  | $ | 162,025 |

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- Definition Tabular disclosure of generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense. + References No definition available. + Details
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- Definition Tabular disclosure of the aggregate revenue from real estate operations during the reporting period. + References No definition available. + Details
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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 840 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
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