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Earnings Per Common Share | 12 Months Ended
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Dec. 31, 2012
Earnings Per Share [Abstract] |
Earnings per Common Share | EARNINGS PER COMMON SHARE We determine “Basic earnings per share” using the two-class method as our unvested restricted share awards and units have non-forfeitable rights to dividends, and are therefore considered participating securities. We compute basic earnings per share by dividing net income attributable to the controlling interest less the allocation of undistributed earnings to unvested restricted share awards and units by the weighted-average number of common shares outstanding for the period. We also determine “Diluted earnings per share” under the two-class method with respect to the unvested restricted share awards. We further evaluate any other potentially dilutive securities at the end of the period and adjust the basic earnings per share calculation for the impact of those securities that are dilutive. Our dilutive earnings per share calculation includes the dilutive impact of employee stock options based on the treasury stock method and our performance share units under the contingently issuable method. The dilutive earnings per share calculation also considers our operating partnership units and 3.875% convertible notes under the if-converted method. The 3.875% convertible notes were repaid in full as of December 31, 2011, and were anti-dilutive for the year ended December 31, 2010. The computation of basic and diluted earnings per share for the three years ended December 31, 2012 was as follows (in thousands; except per share data):
| Year Ended December 31,
| 2012 |  | 2011 |  | 2010
Numerator: |  |  |  |  |
Income (loss) from continuing operations | $ | 17,099 |  |  | $ | (2,898 | ) |  | $ | (609 | )
Allocation of undistributed earnings to unvested restricted share awards and units to continuing operations | (451 | ) |  | — |  |  | — |
Adjusted income (loss) from continuing operations attributable to the controlling interests | 16,648 |  |  | (2,898 | ) |  | (609 | )
Income from discontinued operations, including gain on sale of real estate, net of taxes | 6,609 |  |  | 108,276 |  |  | 38,168 |
Net income attributable to noncontrolling interests | — |  |  | (494 | ) |  | (133 | )
Allocation of undistributed earnings to unvested restricted share awards and units to discontinued operations | (131 | ) |  | (712 | ) |  | (144 | )
Adjusted income from discontinued operations attributable to the controlling interests | 6,478 |  |  | 107,070 |  |  | 37,891 |
Adjusted net income attributable to the controlling interests | $ | 23,126 |  |  | $ | 104,172 |  |  | $ | 37,282 |
Denominator: |  |  |  |  |
Weighted average shares outstanding – basic | 66,239 |  |  | 65,982 |  |  | 62,140 |
Effect of dilutive securities: |  |  |  |  |
Employee stock options and restricted share awards | 137 |  |  | — |  |  | — |
Weighted average shares outstanding – diluted | 66,376 |  |  | 65,982 |  |  | 62,140 |
Earnings per common share, basic: |  |  |  |  |
Continuing operations | $ | 0.25 |  |  | $ | (0.04 | ) |  | $ | (0.01 | )
Discontinued operations | 0.10 |  |  | 1.62 |  |  | 0.61 |
| $ | 0.35 |  |  | $ | 1.58 |  |  | $ | 0.60 |
Earnings per common share, diluted: |  |  |  |  |
Continuing operations | $ | 0.25 |  |  | $ | (0.04 | ) |  | $ | (0.01 | )
Discontinued operations | 0.10 |  |  | 1.62 |  |  | 0.61 |
| $ | 0.35 |  |  | $ | 1.58 |  |  | $ | 0.60 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -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 FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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