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Unaudited Quarterly Financial Data | 12 Months Ended
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Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract] |
Unaudited Quarterly Financial Data | Unaudited Quarterly Financial Data
| 2012
| 3/31/2012 |  | 6/30/2012 |  | 9/30/2012 |  | 12/31/2012
Total gross revenues(1) | $ | 79,123 |  |  | $ | 82,750 |  |  | $ | 87,473 |  |  | $ | 95,533 |
Net income (loss) | $ | 5,478 |  |  | $ | 5,626 |  |  | $ | 175,289 |  |  | $ | (1,755 | )
Net income (loss) attributable to common shareholders | $ | (2,187 | ) |  | $ | (3,392 | ) |  | $ | 168,950 |  |  | $ | (7,039 | )
Net income (loss) attributable to common shareholders - basic per share | $ | (0.01 | ) |  | $ | (0.02 | ) |  | $ | 1.09 |  |  | $ | (0.04 | )
Net income (loss) attributable to common shareholders - diluted per share | $ | (0.01 | ) |  | $ | (0.02 | ) |  | $ | 0.96 |  |  | $ | (0.04 | )
| 2011
| 3/31/2011 |  | 6/30/2011 |  | 9/30/2011 |  | 12/31/2011
Total gross revenues(1) | $ | 77,290 |  |  | $ | 77,474 |  |  | $ | 79,492 |  |  | $ | 79,570 |
Net income (loss) | $ | (15,993 | ) |  | $ | (56,957 | ) |  | $ | (30,844 | ) |  | $ | 14,016 |
Net income (loss) attributable to common shareholders | $ | (23,638 | ) |  | $ | (50,539 | ) |  | $ | (37,048 | ) |  | $ | 7,504 |
Net income (loss) attributable to common shareholders - basic per share per share | $ | (0.16 | ) |  | $ | (0.33 | ) |  | $ | (0.24 | ) |  | $ | 0.05 |
Net income (loss) attributable to common shareholders - diluted per share per share | $ | (0.16 | ) |  | $ | (0.33 | ) |  | $ | (0.24 | ) |  | $ | 0.05 |
_____________ (1) All periods have been adjusted to reflect the impact of properties sold during the years ended December 31, 2012 and 2011, and properties classified as held for sale, which are reflected in discontinued operations in the Consolidated Statements of Operations. The sum of the quarterly income (loss) attributable to common shareholders and per common share amounts may not equal the full year amounts primarily because the computations of amounts allocated to participating securities and the weighted-average number of common shares of the Company outstanding for each quarter and the full year are made independently.

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- Definition The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section G -Subsection 1 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e725-108305 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 28 -Paragraph 23, 24 -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e765-108305 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 28 -Paragraph 30 -Subparagraph a-j -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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 302 -Paragraph a Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=6952194&loc=d3e1280-108306 + Details
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