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Consolidated Statements of Income (USD $) Share data in Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Rental and other revenues | $ 516,102,000 |  | $ 463,444,000 |  | $ 440,836,000 |
Operating expenses: |  |  |  |  |  |
Rental property and other expenses | 187,434,000 |  | 167,853,000 |  | 155,771,000 |
Depreciation and amortization | 156,318,000 |  | 137,890,000 |  | 130,232,000 |
Impairments of real estate assets | 0 |  | 2,429,000 |  | 0 |
General and administrative | 37,377,000 |  | 35,727,000 |  | 32,948,000 |
Total operating expenses | 381,129,000 |  | 343,899,000 |  | 318,951,000 |
Interest expense: |  |  |  |  |  |
Contractual | 92,838,000 |  | 91,458,000 |  | 87,409,000 |
Amortization of deferred financing costs | 3,685,000 |  | 3,312,000 |  | 3,385,000 |
Financing obligations | (409,000) |  | 740,000 |  | 2,157,000 |
Total interest expense | 96,114,000 |  | 95,510,000 |  | 92,951,000 |
Other income: |  |  |  |  |  |
Interest and other income | 7,353,000 |  | 7,387,000 |  | 6,362,000 |
Losses on debt extinguishment | (973,000) |  | (24,000) |  | (705,000) |
Total other income | 6,380,000 |  | 7,363,000 |  | 5,657,000 |
Income from continuing operations before disposition of property, condominiums and investments in unconsolidated affiliates and equity in earnings of unconsolidated affiliates | 45,239,000 |  | 31,398,000 |  | 34,591,000 |
Gains on disposition of property | 0 |  | 764,000 |  | 74,000 |
Gains/(losses) on for-sale residential condominiums | 444,000 |  | (316,000) |  | 276,000 |
Gains on disposition of investments in unconsolidated affiliates | 0 |  | 2,282,000 |  | 25,330,000 |
Equity in earnings of unconsolidated affiliates | 5,035,000 |  | 4,878,000 |  | 3,821,000 |
Income from continuing operations | 50,718,000 |  | 39,006,000 |  | 64,092,000 |
Discontinued operations: |  |  |  |  |  |
Income from discontinued operations | 4,062,000 |  | 6,392,000 |  | 8,297,000 |
Net gains/(losses) on disposition of discontinued operations | 29,455,000 |  | 2,573,000 |  | (86,000) |
Total discontinued operations | 33,517,000 |  | 8,965,000 |  | 8,211,000 |
Net income | 84,235,000 |  | 47,971,000 |  | 72,303,000 |
Net (income) attributable to noncontrolling interests in the Operating Partnership | (3,854,000) |  | (2,091,000) |  | (3,320,000) |
Net (income) attributable to noncontrolling interests in consolidated affiliates | (786,000) |  | (755,000) |  | (485,000) |
Dividends on Preferred Stock | (2,508,000) |  | (4,553,000) |  | (6,708,000) |
Excess of Preferred Stock redemption/repurchase cost over carrying value | 0 |  | (1,895,000) |  | 0 |
Net income available for common stockholders | 77,087,000 |  | 38,677,000 |  | 61,790,000 |
Earnings per Common Share - basic: |  |  |  |  |  |
Income from continuing operations available for common stockholders (in dollars per share) | $ 0.60 |  | $ 0.42 |  | $ 0.75 |
Income from discontinued operations available for common stockholders (in dollars per share) | $ 0.42 |  | $ 0.12 |  | $ 0.11 |
Net income available for common stockholders (in dollars per share) | $ 1.02 |  | $ 0.54 |  | $ 0.86 |
Weighted average Common Shares outstanding - basic (in shares) | 75,811 | [1],[2] | 72,281 | [1],[2] | 71,578 | [1],[2]
Earnings per Common Share - diluted: |  |  |  |  |  |
Income from continuing operations available for common stockholders (in dollars per share) | $ 0.60 |  | $ 0.42 |  | $ 0.75 |
Income from discontinued operations available for common stockholders (in dollars per share) | $ 0.42 |  | $ 0.12 |  | $ 0.11 |
Net income available for common stockholders (in dollars per share) | $ 1.02 |  | $ 0.54 |  | $ 0.86 |
Weighted average Common Shares outstanding - diluted (in shares) | 79,678 | [2] | 76,189 | [2] | 75,578 | [2]
Net income available for common stockholders: |  |  |  |  |  |
Income from continuing operations available for common stockholders | 45,164,000 |  | 30,158,000 |  | 53,994,000 |
Income from discontinued operations available for common stockholders | 31,923,000 |  | 8,519,000 |  | 7,796,000 |
Net income available for common stockholders | 77,087,000 |  | 38,677,000 |  | 61,790,000 |
Highwoods Realty Limited Partnership [Member] |  |  |  |  |  |
Rental and other revenues | 516,102,000 |  | 463,444,000 |  | 440,836,000 |
Operating expenses: |  |  |  |  |  |
Rental property and other expenses | 187,185,000 |  | 167,827,000 |  | 155,411,000 |
Depreciation and amortization | 156,318,000 |  | 137,890,000 |  | 130,232,000 |
Impairments of real estate assets | 0 |  | 2,429,000 |  | 0 |
General and administrative | 37,626,000 |  | 35,753,000 |  | 33,308,000 |
Total operating expenses | 381,129,000 |  | 343,899,000 |  | 318,951,000 |
Interest expense: |  |  |  |  |  |
Contractual | 92,838,000 |  | 91,458,000 |  | 87,409,000 |
Amortization of deferred financing costs | 3,685,000 |  | 3,312,000 |  | 3,385,000 |
Financing obligations | (409,000) |  | 740,000 |  | 2,157,000 |
Total interest expense | 96,114,000 |  | 95,510,000 |  | 92,951,000 |
Other income: |  |  |  |  |  |
Interest and other income | 7,353,000 |  | 7,387,000 |  | 6,362,000 |
Losses on debt extinguishment | (973,000) |  | (24,000) |  | (705,000) |
Total other income | 6,380,000 |  | 7,363,000 |  | 5,657,000 |
Income from continuing operations before disposition of property, condominiums and investments in unconsolidated affiliates and equity in earnings of unconsolidated affiliates | 45,239,000 |  | 31,398,000 |  | 34,591,000 |
Gains on disposition of property | 0 |  | 764,000 |  | 74,000 |
Gains/(losses) on for-sale residential condominiums | 444,000 |  | (316,000) |  | 276,000 |
Gains on disposition of investments in unconsolidated affiliates | 0 |  | 2,282,000 |  | 25,330,000 |
Equity in earnings of unconsolidated affiliates | 5,095,000 |  | 4,939,000 |  | 3,794,000 |
Income from continuing operations | 50,778,000 |  | 39,067,000 |  | 64,065,000 |
Discontinued operations: |  |  |  |  |  |
Income from discontinued operations | 4,062,000 |  | 6,392,000 |  | 8,297,000 |
Net gains/(losses) on disposition of discontinued operations | 29,455,000 |  | 2,573,000 |  | (86,000) |
Total discontinued operations | 33,517,000 |  | 8,965,000 |  | 8,211,000 |
Net income | 84,295,000 |  | 48,032,000 |  | 72,276,000 |
Net (income) attributable to noncontrolling interests in consolidated affiliates | (786,000) |  | (755,000) |  | (485,000) |
Distributions on Preferred Units | (2,508,000) |  | (4,553,000) |  | (6,708,000) |
Excess of Preferred Unit redemption/repurchase cost over carrying value | 0 |  | (1,895,000) |  | 0 |
Net income available for common unitholders | 81,001,000 |  | 40,829,000 |  | 65,083,000 |
Earnings per Common Unit - basic: |  |  |  |  |  |
Income from continuing operations available for common unitholders (in dollars per share) | $ 0.60 |  | $ 0.42 |  | $ 0.76 |
Income from discontinued operations available for common unitholders (in dollars per share) | $ 0.42 |  | $ 0.12 |  | $ 0.11 |
Net income available for common unitholders (in dollars per share) | $ 1.02 |  | $ 0.54 |  | $ 0.87 |
Weighted average Common Units outstanding - basic (in shares) | 79,147 |  | 75,644 |  | 74,971 |
Earnings per Common Unit - diluted: |  |  |  |  |  |
Income from continuing operations available for common unitholders (in dollars per share) | 0.60 |  | 0.42 |  | 0.76 |
Income from discontinued operations available for common unitholders (in dollars per share) | 0.42 |  | 0.12 |  | 0.11 |
Net income available for common unitholders (in dollars per share) | 1.02 |  | 0.54 |  | 0.87 |
Weighted average Common Units outstanding - diluted (in shares) | 79,269 |  | 75,780 |  | 75,169 |
Net income available for common unitholders: |  |  |  |  |  |
Income from continuing operations available for common unitholders | 47,484,000 |  | 31,864,000 |  | 56,872,000 |
Total discontinued operations | 33,517,000 |  | 8,965,000 |  | 8,211,000 |
Net income available for common unitholders | $ 81,001,000 |  | $ 40,829,000 |  | $ 65,083,000 |
[1] | Includes all unvested restricted stock since dividends on such restricted stock are non-forfeitable.
[2] | There were 0.5 million, 0.4 million and 0.7 million options outstanding during the years ended December 31, 2012, 2011 and 2010, respectively, that were not included in the computation of diluted earnings per share because the impact of including such options would be anti-dilutive.

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