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Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Quarterly Financial Data [Line Items] |  |  |  |  |  |  |  |  |  |  |
Rental and other revenues | $ 175,861 | $ 180,185 | $ 177,283 | $ 169,408 | $ 167,646 | $ 166,269 | $ 166,860 | $ 164,859 | $ 702,737 | $ 665,634 | $ 604,671
Income from continuing operations |  |  |  |  | 27,036 | 33,840 | 33,528 | 28,142 | 191,663 | 122,546 | 85,521
Total income from discontinued operations |  |  |  |  | 0 | 0 | 0 | 418,593 | 0 | 418,593 | 15,739
Net income | 59,075 | 59,549 | 39,554 | 33,485 | 27,036 | 33,840 | 33,528 | 446,735 | 191,663 | 541,139 | 101,260
Net (income) attributable to noncontrolling interests in the Operating Partnership | (1,557) | (1,571) | (1,043) | (888) | (720) | (926) | (939) | (13,011) | (5,059) | (15,596) | (2,918)
Net (income) attributable to noncontrolling interests in consolidated affiliates | (325) | (315) | (299) | (300) | (312) | (319) | (314) | (308) | (1,239) | (1,253) | (1,264)
Dividends on Preferred Stock | (623) | (623) | (623) | (623) | (624) | (624) | (627) | (626) | (2,492) | (2,501) | (2,506)
Net income available for common stockholders | $ 56,570 | $ 57,040 | $ 37,589 | $ 31,674 | $ 25,380 | $ 31,971 | $ 31,648 | $ 432,790 | $ 182,873 | $ 521,789 | $ 94,572
Earnings per Common Share - basic: |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations available for common stockholders (in dollars per share) |  |  |  |  | $ 0.25 | $ 0.32 | $ 0.32 | $ 0.27 | $ 1.78 | $ 1.17 | $ 0.84
Income from discontinued operations available for common stockholders (in dollars per share) |  |  |  |  | 0.00 | 0.00 | 0.00 | 4.22 | 0.00 | 4.13 | 0.16
Net income available for common stockholders (in dollars per share) | $ 0.55 | $ 0.55 | $ 0.37 | $ 0.31 | 0.25 | 0.32 | 0.32 | 4.49 | 1.78 | 5.30 | 1.00
Earnings per Common Share - diluted: |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations available for common stockholders (in dollars per share) |  |  |  |  | 0.25 | 0.32 | 0.32 | 0.27 | 1.78 | 1.17 | 0.84
Income from discontinued operations available for common stockholders (in dollars per share) |  |  |  |  | 0.00 | 0.00 | 0.00 | 4.22 | 0.00 | 4.13 | 0.16
Net income available for common stockholders (in dollars per share) | $ 0.55 | $ 0.55 | $ 0.37 | $ 0.31 | $ 0.25 | $ 0.32 | $ 0.32 | $ 4.49 | $ 1.78 | $ 5.30 | $ 1.00
Highwoods Properties, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Data [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net (income) attributable to noncontrolling interests in the Operating Partnership |  |  |  |  |  |  |  |  | $ (5,059) | $ (15,596) |
Net income available for common stockholders |  |  |  |  |  |  |  |  | 182,873 | 521,789 | $ 94,572
Highwoods Realty Limited Partnership [Member] |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Data [Line Items] |  |  |  |  |  |  |  |  |  |  |
Rental and other revenues | $ 175,861 | $ 180,185 | $ 177,283 | $ 169,408 | $ 167,646 | $ 166,269 | $ 166,860 | $ 164,859 | 702,737 | 665,634 | 604,671
Income from continuing operations |  |  |  |  | 27,036 | 33,840 | 33,528 | 28,142 | 191,663 | 122,546 | 85,521
Total income from discontinued operations |  |  |  |  | 0 | 0 | 0 | 418,593 | 0 | 418,593 | 15,739
Net income | 59,075 | 59,549 | 39,554 | 33,485 | 27,036 | 33,840 | 33,528 | 446,735 | 191,663 | 541,139 | 101,260
Net (income) attributable to noncontrolling interests in consolidated affiliates | (325) | (315) | (299) | (300) | (312) | (319) | (314) | (308) | (1,239) | (1,253) | (1,264)
Distributions on Preferred Units | (623) | (623) | (623) | (623) | (624) | (624) | (627) | (626) | (2,492) | (2,501) | (2,506)
Net income available for common unitholders | $ 58,127 | $ 58,611 | $ 38,632 | $ 32,562 | $ 26,100 | $ 32,897 | $ 32,587 | $ 445,801 | $ 187,932 | $ 537,385 | $ 97,490
Earnings per Common Unit - basic: |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations available for common unitholders (in dollars per share) |  |  |  |  | $ 0.25 | $ 0.32 | $ 0.33 | $ 0.28 | $ 1.79 | $ 1.18 | $ 0.84
Income from discontinued operations available for common unitholders (in dollars per share) |  |  |  |  | 0.00 | 0.00 | 0.00 | 4.23 | 0.00 | 4.15 | 0.17
Net income available for common unitholders (in dollars per share) | $ 0.55 | $ 0.55 | $ 0.37 | $ 0.31 | 0.25 | 0.32 | 0.33 | 4.51 | 1.79 | 5.33 | 1.01
Earnings per Common Unit - diluted: |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations available for common unitholders (in dollars per share) |  |  |  |  | 0.25 | 0.32 | 0.33 | 0.28 | 1.79 | 1.18 | 0.84
Income from discontinued operations available for common unitholders (in dollars per share) |  |  |  |  | 0.00 | 0.00 | 0.00 | 4.23 | 0.00 | 4.14 | 0.17
Net income available for common unitholders (in dollars per share) | $ 0.55 | $ 0.55 | $ 0.37 | $ 0.31 | $ 0.25 | $ 0.32 | $ 0.33 | $ 4.51 | $ 1.79 | $ 5.32 | $ 1.01

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