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Equity (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Class of Stock [Line Items] |  |  |  |  |  |  |
Number of Common Stock sold at the market (in shares) |  |  |  |  | 7,245,837 | 378,200 |
Average price of Common Stock sold at the market |  |  |  |  | $ 33.12 | $ 35.09 |
Net proceeds of Common Stock sold at the market |  |  |  |  | $ 236,400,000 | $ 13,100,000 |
Dividends, Common Stock [Abstract] |  |  |  |  |  |  |
Ordinary income |  |  |  |  | $ 1.28 | $ 1.15 | $ 0.41
Capital gains |  |  |  |  | $ 0.24 | $ 0.00 | $ 0.44
Return of capital |  |  |  |  | $ 0.18 | $ 0.55 | $ 0.85
Total taxability of dividends per share |  |  |  |  | $ 1.70 | $ 1.70 | $ 1.70
Dividends, Preferred Stock [Abstract] |  |  |  |  |  |  |
Excess of Preferred Stock redemption/repurchase cost over carrying value | 0 | 0 | 1,895,000 | 0 | 0 | 1,895,000 | 0
Number of shares outstanding, Preferred Stock (in shares) | 29,077 |  |  |  | 29,077 | 29,077 |
Carrying value, Preferred Stock | 29,077,000 |  |  |  | 29,077,000 | 29,077,000 |
Liquidation preference per share, Preferred Stock (in dollars per share) | $ 1,000 |  |  |  | $ 1,000 | $ 1,000 |
Warrants [Abstract] |  |  |  |  |  |  |
Warrants to acquire Common Stock, outstanding | 15,000 |  |  |  | 15,000 | 15,000 |
Exercise price of outstanding warrants | 32.50 |  |  |  | 32.50 | 32.50 |
Series A Cumulative Redeemable Preferred Shares [Member] |  |  |  |  |  |  |
Dividends, Preferred Stock [Abstract] |  |  |  |  |  |  |
Ordinary income |  |  |  |  | $ 72.46 | $ 86.25 | $ 41.80
Capital gains |  |  |  |  | $ 13.79 | $ 0.00 | $ 44.45
Total taxability of dividends per share |  |  |  |  | $ 86.25 | $ 86.25 | $ 86.25
Issuance date, Preferred Stock |  |  |  |  | Feb. 12, 1997 | Feb. 12, 1997 |
Liquidation preference per share, Preferred Stock (in dollars per share) | $ 1,000 |  |  |  | $ 1,000 | $ 1,000 |
Optional redemption date, Preferred Stock |  |  |  |  | Feb. 12, 2027 | Feb. 12, 2027 |
Annual dividends payable per share, Preferred Stock (in dollars per share) |  |  |  |  | $ 86.25 | $ 86.25 | $ 86.25
Series B Cumulative Redeemable Preferred Shares [Member] |  |  |  |  |  |  |
Dividends, Preferred Stock [Abstract] |  |  |  |  |  |  |
Ordinary income |  |  |  |  | $ 0.00 | $ 1.05 | $ 0.97
Capital gains |  |  |  |  | $ 0.00 | $ 0.00 | $ 1.03
Total taxability of dividends per share |  |  |  |  | $ 0.00 | $ 1.05 | $ 2.00
Number of Preferred Stock redeemed during period (in shares) |  |  |  |  |  | 2,100,000 |
Redemption price of Preferred Stock redeemed during period |  |  |  |  |  | 52,500,000 |
Excess of Preferred Stock redemption/repurchase cost over carrying value |  |  |  |  |  | 1,900,000 |
Annual dividends payable per share, Preferred Stock (in dollars per share) |  |  |  |  | $ 0.00 | $ 1.05 | $ 2.00
Highwoods Realty Limited Partnership [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Number of Common Stock sold at the market (in shares) |  |  |  |  | 7,245,837 | 378,200 |
Average price of Common Stock sold at the market |  |  |  |  | $ 33.12 | $ 35.09 |
Net proceeds of Common Stock sold at the market |  |  |  |  | 236,400,000 | 13,100,000 |
Distributions paid per share of Common Unit (in dollars per share) |  |  |  |  | $ 1.70 | $ 1.70 | $ 1.70
Dividends, Preferred Stock [Abstract] |  |  |  |  |  |  |
Excess of Preferred Unit redemption/repurchase cost over carrying value | 0 | 0 | (1,895,000) | 0 | 0 | 1,895,000 | 0
Number of units outstanding, Preferred Units (in shares) | 29,077 |  |  |  | 29,077 | 29,077 |
Series A Preferred Units (liquidation preference $1,000 per unit), 29,077 units issued and outstanding, respectively | 29,077,000 |  |  |  | 29,077,000 | 29,077,000 |
Carrying value, Preferred Units | 29,077 |  |  |  | 29,077 | 29,077 |
Liquidation preference per unit, Preferred Units (in dollars per share) | $ 1,000 |  |  |  | $ 1,000 | $ 1,000 |
Warrants [Abstract] |  |  |  |  |  |  |
Warrants to acquire Common Stock, outstanding | 15,000 |  |  |  | 15,000 | 15,000 |
Exercise price of outstanding warrants | 32.50 |  |  |  | 32.50 | 32.50 |
Highwoods Realty Limited Partnership [Member] | Series A Cumulative Redeemable Preferred Shares [Member] |  |  |  |  |  |  |
Dividends, Preferred Stock [Abstract] |  |  |  |  |  |  |
Total taxability of dividends per share |  |  |  |  | $ 86.25 | $ 86.25 |
Issuance date, Preferred Stock |  |  |  |  | Feb. 12, 1997 | Feb. 12, 1997 |
Liquidation preference per unit, Preferred Units (in dollars per share) | $ 1,000 |  |  |  | $ 1,000 | $ 1,000 |
Optional redemption date, Preferred Stock |  |  |  |  | Feb. 12, 2027 | Feb. 12, 2027 |
Annual dividends payable per share, Preferred Stock (in dollars per share) |  |  |  |  | $ 86.25 | $ 86.25 |
Highwoods Realty Limited Partnership [Member] | Series B Cumulative Redeemable Preferred Shares [Member] |  |  |  |  |  |  |
Dividends, Preferred Stock [Abstract] |  |  |  |  |  |  |
Number of Preferred Stock redeemed during period (in shares) |  |  |  |  |  | 2,100,000 |
Redemption price of Preferred Stock redeemed during period |  |  |  |  |  | 52,500,000 |
Excess of Preferred Unit redemption/repurchase cost over carrying value |  |  |  |  |  | $ 1,900,000 |

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