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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2012
Earnings Per Share/Unit Basic and Diluted [Line Items] |
Earnings Per Share [Table Text Block] | The following table sets forth the computation of basic and diluted earnings per share:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2012 |  | 2011 |  | 2012 |  | 2011
Earnings per Common Share - basic: |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |
Income from continuing operations | $ | 12,313 |  |  | $ | 3,957 |  |  | $ | 35,109 |  |  | $ | 27,200 |
Net (income) attributable to noncontrolling interests in the Operating Partnership from continuing operations | (547 | ) |  | (153 | ) |  | (1,572 | ) |  | (1,101 | )
Net (income) attributable to noncontrolling interests in consolidated affiliates from continuing operations | (159 | ) |  | (249 | ) |  | (566 | ) |  | (554 | )
Dividends on Preferred Stock | (627 | ) |  | (627 | ) |  | (1,881 | ) |  | (3,926 | )
Excess of Preferred Stock redemption/repurchase cost over carrying value | — |  |  | — |  |  | — |  |  | (1,895 | )
Income from continuing operations available for common stockholders | 10,980 |  |  | 2,928 |  |  | 31,090 |  |  | 19,724 |
Income from discontinued operations | 23,483 |  |  | 4,287 |  |  | 33,517 |  |  | 7,921 |
Net (income) attributable to noncontrolling interests in the Operating Partnership from discontinued operations | (1,106 | ) |  | (213 | ) |  | (1,594 | ) |  | (395 | )
Income from discontinued operations available for common stockholders | 22,377 |  |  | 4,074 |  |  | 31,923 |  |  | 7,526 |
Net income available for common stockholders | $ | 33,357 |  |  | $ | 7,002 |  |  | $ | 63,013 |  |  | $ | 27,250 |
Denominator: |  |  |  |  |  |  |
Denominator for basic earnings per Common Share – weighted average shares (1) (2) | 76,590 |  |  | 72,492 |  |  | 74,703 |  |  | 72,176 |
Earnings per Common Share - basic: |  |  |  |  |  |  |
Income from continuing operations available for common stockholders | $ | 0.15 |  |  | $ | 0.04 |  |  | $ | 0.42 |  |  | $ | 0.28 |
Income from discontinued operations available for common stockholders | 0.29 |  |  | 0.06 |  |  | 0.42 |  |  | 0.10 |
Net income available for common stockholders | $ | 0.44 |  |  | $ | 0.10 |  |  | $ | 0.84 |  |  | $ | 0.38 |
Earnings per Common Share - diluted: |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |
Income from continuing operations | $ | 12,313 |  |  | $ | 3,957 |  |  | $ | 35,109 |  |  | $ | 27,200 |
Net (income) attributable to noncontrolling interests in consolidated affiliates from continuing operations | (159 | ) |  | (249 | ) |  | (566 | ) |  | (554 | )
Dividends on Preferred Stock | (627 | ) |  | (627 | ) |  | (1,881 | ) |  | (3,926 | )
Excess of Preferred Stock redemption/repurchase cost over carrying value | — |  |  | — |  |  | — |  |  | (1,895 | )
Income from continuing operations available for common stockholders before net (income) attributable to noncontrolling interests in the Operating Partnership | 11,527 |  |  | 3,081 |  |  | 32,662 |  |  | 20,825 |
Income from discontinued operations available for common stockholders | 23,483 |  |  | 4,287 |  |  | 33,517 |  |  | 7,921 |
Net income available for common stockholders before net (income) attributable to noncontrolling interests in the Operating Partnership | $ | 35,010 |  |  | $ | 7,368 |  |  | $ | 66,179 |  |  | $ | 28,746 |
Denominator: |  |  |  |  |  |  |
Denominator for basic earnings per Common Share –weighted average shares (1) (2) | 76,590 |  |  | 72,492 |  |  | 74,703 |  |  | 72,176 |
Add: |  |  |  |  |  |  |
Stock options using the treasury method | 137 |  |  | 138 |  |  | 127 |  |  | 169 |
Noncontrolling interests Common Units | 3,768 |  |  | 3,772 |  |  | 3,738 |  |  | 3,782 |
Denominator for diluted earnings per Common Share – adjusted weighted average shares and assumed conversions (1) | 80,495 |  |  | 76,402 |  |  | 78,568 |  |  | 76,127 |
Earnings per Common Share - diluted: |  |  |  |  |  |  |
Income from continuing operations available for common stockholders | $ | 0.14 |  |  | $ | 0.04 |  |  | $ | 0.42 |  |  | $ | 0.28 |
Income from discontinued operations available for common stockholders | 0.29 |  |  | 0.06 |  |  | 0.42 |  |  | 0.10 |
Net income available for common stockholders | $ | 0.43 |  |  | $ | 0.10 |  |  | $ | 0.84 |  |  | $ | 0.38 |
__________
13. | Earnings Per Share - Continued
(1) | There were 0.5 million and 0.4 million options outstanding during the three months ended September 30, 2012 and 2011, respectively, and 0.5 million and 0.3 million options outstanding during the nine months ended September 30, 2012 and 2011, respectively, that were not included in the computation of diluted earnings per share because the impact of including such options would be anti-dilutive.
(2) | Includes all unvested restricted stock since dividends on restricted stock are non-forfeitable.
Highwoods Realty Limited Partnership [Member] |
Earnings Per Share/Unit Basic and Diluted [Line Items] |
Earnings Per Unit [Table Text Block] | The following table sets forth the computation of basic and diluted earnings per unit:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2012 |  | 2011 |  | 2012 |  | 2011
Earnings per Common Unit - basic: |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |
Income from continuing operations | $ | 12,317 |  |  | $ | 3,957 |  |  | $ | 35,118 |  |  | $ | 27,212 |
Net (income) attributable to noncontrolling interests in consolidated affiliates from continuing operations | (159 | ) |  | (249 | ) |  | (566 | ) |  | (554 | )
Distributions on Preferred Units | (627 | ) |  | (627 | ) |  | (1,881 | ) |  | (3,926 | )
Excess of Preferred Unit redemption/repurchase cost over carrying value | — |  |  | — |  |  | — |  |  | (1,895 | )
Income from continuing operations available for common unitholders | 11,531 |  |  | 3,081 |  |  | 32,671 |  |  | 20,837 |
Income from discontinued operations available for common unitholders | 23,483 |  |  | 4,287 |  |  | 33,517 |  |  | 7,921 |
Net income available for common unitholders | $ | 35,014 |  |  | $ | 7,368 |  |  | $ | 66,188 |  |  | $ | 28,758 |
Denominator: |  |  |  |  |  |  |
Denominator for basic earnings per Common Unit – weighted average units (1) (2) | 79,949 |  |  | 75,855 |  |  | 78,032 |  |  | 75,549 |
Earnings per Common Unit - basic: |  |  |  |  |  |  |
Income from continuing operations available for common unitholders | $ | 0.15 |  |  | $ | 0.04 |  |  | $ | 0.42 |  |  | $ | 0.28 |
Income from discontinued operations available for common unitholders | 0.29 |  |  | 0.06 |  |  | 0.43 |  |  | 0.10 |
Net income available for common unitholders | $ | 0.44 |  |  | $ | 0.10 |  |  | $ | 0.85 |  |  | $ | 0.38 |
Earnings per Common Unit - diluted: |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |
Income from continuing operations | $ | 12,317 |  |  | $ | 3,957 |  |  | $ | 35,118 |  |  | $ | 27,212 |
Net (income) attributable to noncontrolling interests in consolidated affiliates from continuing operations | (159 | ) |  | (249 | ) |  | (566 | ) |  | (554 | )
Distributions on Preferred Units | (627 | ) |  | (627 | ) |  | (1,881 | ) |  | (3,926 | )
Excess of Preferred Unit redemption/repurchase cost over carrying value | — |  |  | — |  |  | — |  |  | (1,895 | )
Income from continuing operations available for common unitholders | 11,531 |  |  | 3,081 |  |  | 32,671 |  |  | 20,837 |
Income from discontinued operations available for common unitholders | 23,483 |  |  | 4,287 |  |  | 33,517 |  |  | 7,921 |
Net income available for common unitholders | $ | 35,014 |  |  | $ | 7,368 |  |  | $ | 66,188 |  |  | $ | 28,758 |
Denominator: |  |  |  |  |  |  |
Denominator for basic earnings per Common Unit –weighted average units (1) (2) | 79,949 |  |  | 75,855 |  |  | 78,032 |  |  | 75,549 |
Add: |  |  |  |  |  |  |
Stock options using the treasury method | 137 |  |  | 138 |  |  | 127 |  |  | 169 |
Denominator for diluted earnings per Common Unit – adjusted weighted average units and assumed conversions (1) | 80,086 |  |  | 75,993 |  |  | 78,159 |  |  | 75,718 |
Earnings per Common Unit - diluted: |  |  |  |  |  |  |
Income from continuing operations available for common unitholders | $ | 0.15 |  |  | $ | 0.04 |  |  | $ | 0.42 |  |  | $ | 0.28 |
Income from discontinued operations available for common unitholders | 0.29 |  |  | 0.06 |  |  | 0.43 |  |  | 0.10 |
Net income available for common unitholders | $ | 0.44 |  |  | $ | 0.10 |  |  | $ | 0.85 |  |  | $ | 0.38 |
__________
(1) | There were 0.5 million and 0.4 million options outstanding during the three months ended September 30, 2012 and 2011, respectively, and 0.5 million and 0.3 million options outstanding during the nine months ended September 30, 2012 and 2011, respectively, that were not included in the computation of diluted earnings per unit because the impact of including such options would be anti-dilutive.
(2) | Includes all unvested restricted stock since dividends on restricted stock are non-forfeitable.

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