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Income Taxes (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Income Tax Disclosure [Line Items] |  |  |
Minimum dividend required to maintain REIT status | $ 1.13 hiw_MinimumDividendRequired | $ 1.08 hiw_MinimumDividendRequired | $ 1.07 hiw_MinimumDividendRequired
Tax basis of assets | $ 3,600,000,000 us-gaap_RealEstateFederalIncomeTaxBasis | $ 3,400,000,000 us-gaap_RealEstateFederalIncomeTaxBasis |
Tax basis of liabilities | 2,200,000,000 hiw_LiabilitiesFederalIncomeTaxBasis | 2,100,000,000 hiw_LiabilitiesFederalIncomeTaxBasis |
Net deferred tax assets | 100,000 us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment |  |
Net deferred tax liabilities |  | 1,800,000 us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment |
Taxes incurred by taxable REIT subsidiary related to disposition |  | 1,700,000 hiw_IncomeTaxExpenseBenefitTotalOperations |
Deferred Income Tax Revenue [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Income tax expense incurred by taxable REIT subsidiary | 1,900,000 us-gaap_DeferredIncomeTaxesAndTaxCredits / hiw_IncomeTaxDisclosureAxis = hiw_DeferredIncomeTaxRevenueMember |  |
Income Tax Expense [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Income tax expense incurred by taxable REIT subsidiary | 1,600,000 us-gaap_DeferredIncomeTaxesAndTaxCredits / hiw_IncomeTaxDisclosureAxis = hiw_IncomeTaxExpenseMember | 2,100,000 us-gaap_DeferredIncomeTaxesAndTaxCredits / hiw_IncomeTaxDisclosureAxis = hiw_IncomeTaxExpenseMember |
Highwoods Realty Limited Partnership [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Tax basis of assets | 3,600,000,000 us-gaap_RealEstateFederalIncomeTaxBasis / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 3,400,000,000 us-gaap_RealEstateFederalIncomeTaxBasis / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Tax basis of liabilities | $ 2,200,000,000 hiw_LiabilitiesFederalIncomeTaxBasis / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 2,100,000,000 hiw_LiabilitiesFederalIncomeTaxBasis / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |

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