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Earnings Per Share/Unit (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Numerator: |  |  |  |
Income from continuing operations | $ 13,192 |  | $ 11,300 |
Net (income) attributable to noncontrolling interests in the Operating Partnership from continuing operations | (386) |  | (472) |
Net (income) attributable to noncontrolling interests in consolidated affiliates from continuing operations | (423) |  | (203) |
Dividends on Preferred Stock | (627) |  | (627) |
Income from continuing operations available for common stockholders | 11,756 |  | 9,998 |
Income from discontinued operations | 384 |  | 2,460 |
Net (income) attributable to noncontrolling interests in the Operating Partnership from discontinued operations | (12) |  | (109) |
Income from discontinued operations available for common stockholders | 372 |  | 2,351 |
Net income available for common stockholders | 12,128 |  | 12,349 |
Denominator: |  |  |  |
Denominator for basic earnings per Common Share - weighted average shares (in shares) | 89,966,000 | [1],[2] | 81,029,000 | [1],[2]
Earnings per Common Share - basic: |  |  |  |
Income from continuing operations available for common stockholders (in dollars per share) | $ 0.13 |  | $ 0.12 |
Income from discontinued operations available for common stockholders (in dollars per share) | $ 0.00 |  | $ 0.03 |
Net income available for common stockholders (in dollars per share) | $ 0.13 |  | $ 0.15 |
Numerator: |  |  |  |
Income from continuing operations | 13,192 |  | 11,300 |
Net (income) attributable to noncontrolling interests in consolidated affiliates | (423) |  | (203) |
Dividends on Preferred Stock | (627) |  | (627) |
Income from continuing operations available for common stockholders before net (income) attributable to noncontrolling interests in the Operating Partnership | 12,142 |  | 10,470 |
Income from discontinued operations available for common stockholders | 384 |  | 2,460 |
Net income available for common stockholders before net (income) attributable to noncontrolling interests in the Operating Partnership | 12,526 |  | 12,930 |
Denominator: |  |  |  |
Denominator for basic earnings per Common Share - weighted average shares (in shares) | 89,966,000 | [1],[2] | 81,029,000 | [1],[2]
Stock options using the treasury method | 124,000 |  | 108,000 |
Noncontrolling interests Common Units | 2,940,000 |  | 3,725,000 |
Denominator for diluted earnings per Common Share - adjusted weighted average shares and assumed conversions (in shares) (1) | 93,030,000 | [1],[2] | 84,862,000 | [1],[2]
Earnings per Common Share - diluted: |  |  |  |
Income from continuing operations available for common stockholders (in dollars per share) | $ 0.13 |  | $ 0.12 |
Income from discontinued operations available for common stockholders (in dollars per share) | $ 0.00 |  | $ 0.03 |
Net income available for common stockholders (in dollars per share) | $ 0.13 |  | $ 0.15 |
Earnings per Common Unit - diluted: |  |  |  |
Number of anti-dilutive options and warrants not included in earnings per share (in dollars per share) | 300,000 |  | 500,000 |
Highwoods Realty Limited Partnership [Member] |  |  |  |
Numerator: |  |  |  |
Income from continuing operations | 13,192 |  | 11,247 |
Net (income) attributable to noncontrolling interests in consolidated affiliates from continuing operations | (423) |  | (203) |
Distributions on Preferred Units | (627) |  | (627) |
Income from continuing operations available for common unitholders | 12,142 |  | 10,417 |
Income from discontinued operations available for common unitholders | 384 |  | 2,460 |
Net income available for common unitholders | 12,526 |  | 12,877 |
Denominator: |  |  |  |
Denominator for basic earnings per Common Unit - weighted average units (in shares) | 92,497,000 | [2],[3] | 84,345,000 | [2],[3]
Earnings per Common Unit - basic: |  |  |  |
Income from continuing operations available for common unitholders (in dollars per share) | $ 0.13 |  | $ 0.12 |
Income from discontinued operations available for common unitholders (in dollars per share) | $ 0.01 |  | $ 0.03 |
Net income available for common unitholders (in dollars per share) | $ 0.14 |  | $ 0.15 |
Numerator: |  |  |  |
Income from continuing operations | 13,192 |  | 11,247 |
Net (income) attributable to noncontrolling interests in consolidated affiliates | (423) |  | (203) |
Distributions on Preferred Units | (627) |  | (627) |
Income from continuing operations available for common unitholders | 12,142 |  | 10,417 |
Income from discontinued operations available for common unitholders | 384 |  | 2,460 |
Net income available for common unitholders | $ 12,526 |  | $ 12,877 |
Denominator: |  |  |  |
Denominator for basic earnings per Common Unit - weighted average units (in shares) | 92,497,000 | [2],[3] | 84,345,000 | [2],[3]
Stock options using the treasury method | 124,000 |  | 108,000 |
Denominator for diluted earnings per Common Unit - adjusted weighted average units and assumed conversions (in shares) | 92,621,000 | [2],[3] | 84,453,000 | [2],[3]
Earnings per Common Unit - diluted: |  |  |  |
Income from continuing operations available for common unitholders (in dollars per share) | $ 0.13 |  | $ 0.12 |
Income from discontinued operations available for common unitholders (in dollars per share) | $ 0.01 |  | $ 0.03 |
Net income available for common unitholders (in dollars per share) | $ 0.14 |  | $ 0.15 |
Number of anti-dilutive options and warrants not included in earnings per share (in dollars per share) | 300,000 |  | 500,000 |
[1] | There were 0.3 million and 0.5 million options outstanding during the three months ended March 31, 2014 and 2013, 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 where dividends on such restricted stock are non-forfeitable.
[3] | There were 0.3 million and 0.5 million options outstanding during the three months ended March 31, 2014 and 2013, respectively, that were not included in the computation of diluted earnings per unit because the impact of including such options would be anti-dilutive.

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