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Earnings Per Share and Per Unit (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Earnings per Common Share and Per Unit - basic: [Abstract] |  |  |  |
Net income | $ 29,557 | $ 35,009 | $ 79,337 | $ 122,253
Net (income) attributable to noncontrolling interests in the Operating Partnership from continuing operations | (737) | (902) | (1,974) | (3,171)
Net (income) attributable to noncontrolling interests in consolidated affiliates from continuing operations | (297) | (324) | (919) | (918)
Dividends on Preferred Stock | (622) | (623) | (1,866) | (1,869)
Net income available for common stockholders | $ 27,901 | $ 33,160 | $ 74,578 | $ 116,295
Denominator: |  |  |  |
Denominator for basic earnings per Common Share - weighted average shares (in shares) | 103,727 | 103,471 | 103,674 | 103,408
Earnings per Common Share - basic: |  |  |  |
Net income available for common stockholders (in dollars per share) | $ 0.27 | $ 0.32 | $ 0.72 | $ 1.12
Earnings per Common Share and Per Unit - diluted: [Abstract] |  |  |  |
Net income | $ 29,557 | $ 35,009 | $ 79,337 | $ 122,253
Net (income) attributable to noncontrolling interests in consolidated affiliates | (297) | (324) | (919) | (918)
Dividends on Preferred Stock | (622) | (623) | (1,866) | (1,869)
Net income available for common stockholders before net (income) attributable to noncontrolling interests in the Operating Partnership | $ 28,638 | $ 34,062 | $ 76,552 | $ 119,466
Denominator: |  |  |  |
Denominator for basic earnings per Common Share - weighted average shares (in shares) | 103,727 | 103,471 | 103,674 | 103,408
Stock options using the treasury method (in shares) | 16 | 58 | 18 | 39
Noncontrolling interests Common Units (in shares) | 2,728 | 2,804 | 2,733 | 2,809
Denominator for diluted earnings per Common Share - adjusted weighted average shares and assumed conversions (in shares) | 106,471 | 106,333 | 106,425 | 106,256
Earnings per Common Share - diluted: |  |  |  |
Net income available for common stockholders (in dollars per share) | $ 0.27 | $ 0.32 | $ 0.72 | $ 1.12
Highwoods Realty Limited Partnership [Member] |  |  |  |
Earnings per Common Share and Per Unit - basic: [Abstract] |  |  |  |
Net income | $ 29,557 | $ 35,009 | $ 79,337 | $ 122,253
Net (income) attributable to noncontrolling interests in consolidated affiliates from continuing operations | (297) | (324) | (919) | (918)
Distributions on Preferred Units | (622) | (623) | (1,866) | (1,869)
Net income available for common unitholders | $ 28,638 | $ 34,062 | $ 76,552 | $ 119,466
Denominator: |  |  |  |
Denominator for basic earnings per Common Unit - weighted average units (in shares) | 106,046 | 105,866 | 105,998 | 105,808
Earnings per Common Unit - basic: |  |  |  |
Net income available for common unitholders (in dollars per share) | $ 0.27 | $ 0.32 | $ 0.72 | $ 1.13
Earnings per Common Share and Per Unit - diluted: [Abstract] |  |  |  |
Net income | $ 29,557 | $ 35,009 | $ 79,337 | $ 122,253
Net (income) attributable to noncontrolling interests in consolidated affiliates | (297) | (324) | (919) | (918)
Distributions on Preferred Units | (622) | (623) | (1,866) | (1,869)
Net income available for common unitholders | $ 28,638 | $ 34,062 | $ 76,552 | $ 119,466
Denominator: |  |  |  |
Denominator for basic earnings per Common Unit - weighted average units (in shares) | 106,046 | 105,866 | 105,998 | 105,808
Stock options using the treasury method (in shares) | 16 | 58 | 18 | 39
Denominator for diluted earnings per Common Unit - adjusted weighted average units and assumed conversions (in shares) | 106,062 | 105,924 | 106,016 | 105,847
Earnings per Common Unit - diluted: |  |  |  |
Net income available for common unitholders (in dollars per share) | $ 0.27 | $ 0.32 | $ 0.72 | $ 1.13

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