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Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Class of Stock [Line Items] |  |  |
Net proceeds of Common Stock sold during the period | $ 112,624 us-gaap_StockIssuedDuringPeriodValueNewIssues | $ 305,846 us-gaap_StockIssuedDuringPeriodValueNewIssues | $ 243,168 us-gaap_StockIssuedDuringPeriodValueNewIssues
Possible future share issuance authorized under charter | 107,100,000 hiw_PossibleFutureShareIssuanceAuthorizedUnderCharter |  |
Dividends, Common Stock [Abstract] |  |  |
Ordinary income | $ 1.31 hiw_OrdinaryIncomeCommonStockDividends | $ 1.28 hiw_OrdinaryIncomeCommonStockDividends | $ 1.28 hiw_OrdinaryIncomeCommonStockDividends
Capital gains | $ 0.29 hiw_CapitalGainsCommonStockDividends | $ 0.26 hiw_CapitalGainsCommonStockDividends | $ 0.24 hiw_CapitalGainsCommonStockDividends
Return of capital | $ 0.10 hiw_ReturnOfCapitalCommonStockDividends | $ 0.16 hiw_ReturnOfCapitalCommonStockDividends | $ 0.18 hiw_ReturnOfCapitalCommonStockDividends
Total taxability of dividends per share | $ 1.70 us-gaap_CommonStockDividendsPerShareDeclared | $ 1.70 us-gaap_CommonStockDividendsPerShareDeclared | $ 1.70 us-gaap_CommonStockDividendsPerShareDeclared
Dividends, Preferred Stock [Abstract] |  |  |
Number of shares outstanding, Preferred Stock (in shares) | 29,060 us-gaap_PreferredStockSharesOutstanding | 29,077 us-gaap_PreferredStockSharesOutstanding |
Carrying value, Preferred Stock | 29,060 us-gaap_PreferredStockValue | 29,077 us-gaap_PreferredStockValue |
Liquidation preference per share, Preferred Stock (in dollars per share) | $ 1,000 us-gaap_PreferredStockLiquidationPreference | $ 1,000 us-gaap_PreferredStockLiquidationPreference |
Warrants [Abstract] |  |  |
Warrants to acquire Common Stock, outstanding | 15,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights | 15,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights |
Exercise price of outstanding warrants | $ 32.50 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 | $ 32.50 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 |
Series A Cumulative Redeemable Preferred Shares [Member] |  |  |
Dividends, Preferred Stock [Abstract] |  |  |
Ordinary income | $ 70.41 hiw_OrdinaryIncomePreferredStockDividends / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember | $ 71.56 hiw_OrdinaryIncomePreferredStockDividends / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember | $ 72.46 hiw_OrdinaryIncomePreferredStockDividends / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember
Capital gains | $ 15.84 hiw_CapitalGainsPreferredStockDividends / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember | $ 14.69 hiw_CapitalGainsPreferredStockDividends / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember | $ 13.79 hiw_CapitalGainsPreferredStockDividends / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember
Total taxability of dividends per share | $ 86.25 us-gaap_PreferredStockDividendsPerShareDeclared / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember | $ 86.25 us-gaap_PreferredStockDividendsPerShareDeclared / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember | $ 86.25 us-gaap_PreferredStockDividendsPerShareDeclared / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember
Issuance date, Preferred Stock | Feb. 12, 1997 | Feb. 12, 1997 |
Liquidation preference per share, Preferred Stock (in dollars per share) | $ 1,000 us-gaap_PreferredStockLiquidationPreference / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember | $ 1,000 us-gaap_PreferredStockLiquidationPreference / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember |
Optional redemption date, Preferred Stock | Feb. 12, 2027 | Feb. 12, 2027 |
Annual dividends payable per share, Preferred Stock (in dollars per share) | $ 86.25 us-gaap_PreferredStockDividendsPerShareDeclared / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember | $ 86.25 us-gaap_PreferredStockDividendsPerShareDeclared / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember | $ 86.25 us-gaap_PreferredStockDividendsPerShareDeclared / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember
Highwoods Properties, Inc. [Member] | ATM Equity Offering [Member] |  |  |
Class of Stock [Line Items] |  |  |
Number of Common Stock sold during the period (in shares) | 2,500,031 us-gaap_StockIssuedDuringPeriodSharesNewIssues / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_StatementClassOfStockAxis = hiw_AtmEquityOfferingMember | 8,273,690 us-gaap_StockIssuedDuringPeriodSharesNewIssues / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_StatementClassOfStockAxis = hiw_AtmEquityOfferingMember |
Net proceeds of Common Stock sold during the period | 104,100 us-gaap_StockIssuedDuringPeriodValueNewIssues / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_StatementClassOfStockAxis = hiw_AtmEquityOfferingMember | 295,100 us-gaap_StockIssuedDuringPeriodValueNewIssues / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_StatementClassOfStockAxis = hiw_AtmEquityOfferingMember |
Highwoods Realty Limited Partnership [Member] |  |  |
Class of Stock [Line Items] |  |  |
Distributions paid per share of Common Unit (in dollars per share) | $ 1.70 us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 1.70 us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 1.70 us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Dividends, Preferred Stock [Abstract] |  |  |
Number of units outstanding, Preferred Units (in shares) | 29,060 us-gaap_PreferredUnitsOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 29,077 us-gaap_PreferredUnitsOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Carrying value, Preferred units | $ 29,060 us-gaap_PreferredUnitsContributedCapital / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 29,077 us-gaap_PreferredUnitsContributedCapital / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Liquidation preference per unit, Preferred Units (in dollars per share) | $ 1,000 hiw_PreferredUnitsLiquidationPreference / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 1,000 hiw_PreferredUnitsLiquidationPreference / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Highwoods Realty Limited Partnership [Member] | Series A Cumulative Redeemable Preferred Shares [Member] |  |  |
Dividends, Preferred Stock [Abstract] |  |  |
Total taxability of dividends per share | $ 86.25 us-gaap_PreferredStockDividendsPerShareDeclared / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember | $ 86.25 us-gaap_PreferredStockDividendsPerShareDeclared / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember |
Issuance date, Preferred Stock | Feb. 12, 1997 | Feb. 12, 1997 |
Liquidation preference per unit, Preferred Units (in dollars per share) | $ 1,000 hiw_PreferredUnitsLiquidationPreference / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember | $ 1,000 hiw_PreferredUnitsLiquidationPreference / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember |
Optional redemption date, Preferred Stock | Feb. 12, 2027 | Feb. 12, 2027 |
Annual dividends payable per share, Preferred Stock (in dollars per share) | $ 86.25 us-gaap_PreferredStockDividendsPerShareDeclared / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember | $ 86.25 us-gaap_PreferredStockDividendsPerShareDeclared / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementClassOfStockAxis = hiw_SeriesCumulativeRedeemablePreferredSharesMember |

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