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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2011
Significant Accounting Policies |
Schedule of estimated useful lives of real estate assets |
Category |  | Years
Commercial buildings |  | 39
Building improvements |  | 15-39
Fixtures and equipment |  | 3-7
Schedule of estimated annual amortization expense for succeeding five years for acquired in-place lease and above-market leases |
|  | Year Ended |
(in thousands) |  | December 31, |
2012 |  | $ | 15,150 |
2013 |  | 16,018 |
2014 |  | 15,085 |
2015 |  | 14,374 |
2016 |  | 11,194 |
2017 and thereafter |  | 19,792 |
Schedule of estimated annual amortization for unfavorable leases |
(in thousands) |  |  |
2012 |  | $ | 1,454 |
2013 |  | 1,357 |
2014 |  | 1,235 |
2015 |  | 1,182 |
2016 |  | 809 |
2017 and thereafter |  | 1,581 |
Schedule of estimated annual amortization for deferred leasing commissions |
(in thousands) |  |  |
2012 |  | $ | 3,928 |
2013 |  | 3,590 |
2014 |  | 3,263 |
2015 |  | 2,800 |
2016 |  | 2,451 |
2017 and thereafter |  | 6,609 |
Summary of rental revenue |
|  | Year Ended December 31, |
(in thousands) |  | 2011 |  | 2010 |  | 2009 |
Income from leases |  | $ | 99,336 |  | $ | 87,667 |  | $ | 93,870 |
Reimbursable expenses |  | 26,108 |  | 24,549 |  | 27,084 |
Straight-line rent adjustment |  | 9,900 |  | 3,913 |  | 1,778 |
Amortization of favorable and unfavorable leases |  | 47 |  | (1,491 | ) | (3,391 | )
|  | $ | 135,391 |  | $ | 114,638 |  | $ | 119,341 |

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- Definition Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 37 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9031-108599 + Details
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