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Earnings Per Share and Per Unit (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Earnings per Common Share and Per Unit - basic: [Abstract] |  |  |  |
Net income | $ 41,394 | $ 52,998 | $ 49,780 | $ 87,244
Net (income) attributable to noncontrolling interests in the Operating Partnership from continuing operations | (1,044) | (1,381) | (1,237) | (2,269)
Net (income) attributable to noncontrolling interests in consolidated affiliates from continuing operations | (306) | (308) | (622) | (594)
Dividends on Preferred Stock | (622) | (623) | (1,244) | (1,246)
Net income available for common stockholders | $ 39,422 | $ 50,686 | $ 46,677 | $ 83,135
Denominator: |  |  |  |
Denominator for basic earnings per Common Share - weighted average shares (in shares) | 103,693 | 103,428 | 103,647 | 103,376
Earnings per Common Share - basic: |  |  |  |
Net income available for common stockholders (in dollars per share) | $ 0.38 | $ 0.49 | $ 0.45 | $ 0.80
Earnings per Common Share and Per Unit - diluted: [Abstract] |  |  |  |
Net income | $ 41,394 | $ 52,998 | $ 49,780 | $ 87,244
Net (income) attributable to noncontrolling interests in consolidated affiliates | (306) | (308) | (622) | (594)
Dividends on Preferred Stock | (622) | (623) | (1,244) | (1,246)
Net income available for common stockholders before net (income) attributable to noncontrolling interests in the Operating Partnership | $ 40,466 | $ 52,067 | $ 47,914 | $ 85,404
Denominator: |  |  |  |
Denominator for basic earnings per Common Share - weighted average shares (in shares) | 103,693 | 103,428 | 103,647 | 103,376
Stock options using the treasury method (in shares) | 19 | 32 | 20 | 29
Noncontrolling interests Common Units (in shares) | 2,733 | 2,807 | 2,735 | 2,811
Denominator for diluted earnings per Common Share - adjusted weighted average shares and assumed conversions (in shares) | 106,445 | 106,267 | 106,402 | 106,216
Earnings per Common Share - diluted: |  |  |  |
Net income available for common stockholders (in dollars per share) | $ 0.38 | $ 0.49 | $ 0.45 | $ 0.80
Highwoods Realty Limited Partnership [Member] |  |  |  |
Earnings per Common Share and Per Unit - basic: [Abstract] |  |  |  |
Net income | $ 41,394 | $ 52,998 | $ 49,780 | $ 87,244
Net (income) attributable to noncontrolling interests in consolidated affiliates from continuing operations | (306) | (308) | (622) | (594)
Distributions on Preferred Units | (622) | (623) | (1,244) | (1,246)
Net income available for common unitholders | $ 40,466 | $ 52,067 | $ 47,914 | $ 85,404
Denominator: |  |  |  |
Denominator for basic earnings per Common Unit - weighted average units (in shares) | 106,017 | 105,826 | 105,973 | 105,778
Earnings per Common Unit - basic: |  |  |  |
Net income available for common unitholders (in dollars per share) | $ 0.38 | $ 0.49 | $ 0.45 | $ 0.81
Earnings per Common Share and Per Unit - diluted: [Abstract] |  |  |  |
Net income | $ 41,394 | $ 52,998 | $ 49,780 | $ 87,244
Net (income) attributable to noncontrolling interests in consolidated affiliates | (306) | (308) | (622) | (594)
Distributions on Preferred Units | (622) | (623) | (1,244) | (1,246)
Net income available for common unitholders | $ 40,466 | $ 52,067 | $ 47,914 | $ 85,404
Denominator: |  |  |  |
Denominator for basic earnings per Common Unit - weighted average units (in shares) | 106,017 | 105,826 | 105,973 | 105,778
Stock options using the treasury method (in shares) | 19 | 32 | 20 | 29
Denominator for diluted earnings per Common Unit - adjusted weighted average units and assumed conversions (in shares) | 106,036 | 105,858 | 105,993 | 105,807
Earnings per Common Unit - diluted: |  |  |  |
Net income available for common unitholders (in dollars per share) | $ 0.38 | $ 0.49 | $ 0.45 | $ 0.81

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