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Quarterly Financial Data (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Quarterly Financial Data [Line Items] |  |  |  |  |  |  |  |  |  |  |
Rental and other revenues | $ 154,664 us-gaap_RealEstateRevenueNet | $ 152,629 us-gaap_RealEstateRevenueNet | $ 152,722 us-gaap_RealEstateRevenueNet | $ 148,453 us-gaap_RealEstateRevenueNet | $ 148,988 us-gaap_RealEstateRevenueNet | $ 144,827 us-gaap_RealEstateRevenueNet | $ 132,618 us-gaap_RealEstateRevenueNet | $ 130,377 us-gaap_RealEstateRevenueNet | $ 608,468 us-gaap_RealEstateRevenueNet | $ 556,810 us-gaap_RealEstateRevenueNet | $ 485,046 us-gaap_RealEstateRevenueNet
Income from continuing operations | 23,585 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 54,299 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 24,512 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 13,192 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 19,328 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 16,608 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 15,487 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 11,300 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 115,588 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 62,723 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 40,313 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
Income from discontinued operations | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 384 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 12,362 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 39,460 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 14,092 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 2,460 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 384 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 68,374 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 43,922 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
Net income | 23,585 us-gaap_ProfitLoss | 54,299 us-gaap_ProfitLoss | 24,512 us-gaap_ProfitLoss | 13,576 us-gaap_ProfitLoss | 31,690 us-gaap_ProfitLoss | 56,068 us-gaap_ProfitLoss | 29,579 us-gaap_ProfitLoss | 13,760 us-gaap_ProfitLoss | 115,972 us-gaap_ProfitLoss | 131,097 us-gaap_ProfitLoss | 84,235 us-gaap_ProfitLoss
Net (income) attributable to noncontrolling interests in the Operating Partnership | (729)us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable | (1,673)us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable | (742)us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable | (398)us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable | (978)us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable | (1,889)us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable | (1,243)us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable | (581)us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable | (3,542)us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable | (4,691)us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable | (3,854)us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable
Net (income) attributable to noncontrolling interests in consolidated affiliates | (314)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable | (291)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable | (438)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable | (423)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable | (356)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable | (203)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable | (187)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable | (203)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable | (1,466)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable | (949)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable | (786)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable
Dividends on Preferred Stock | (626)us-gaap_PreferredStockDividendsIncomeStatementImpact | (627)us-gaap_PreferredStockDividendsIncomeStatementImpact | (627)us-gaap_PreferredStockDividendsIncomeStatementImpact | (627)us-gaap_PreferredStockDividendsIncomeStatementImpact | (627)us-gaap_PreferredStockDividendsIncomeStatementImpact | (627)us-gaap_PreferredStockDividendsIncomeStatementImpact | (627)us-gaap_PreferredStockDividendsIncomeStatementImpact | (627)us-gaap_PreferredStockDividendsIncomeStatementImpact | (2,507)us-gaap_PreferredStockDividendsIncomeStatementImpact | (2,508)us-gaap_PreferredStockDividendsIncomeStatementImpact | (2,508)us-gaap_PreferredStockDividendsIncomeStatementImpact
Net income available for common stockholders | 21,916 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 51,708 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 22,705 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 12,128 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 29,729 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 53,349 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 27,522 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 12,349 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 108,457 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 122,949 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 77,087 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Earnings per Common Share - basic: |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations available for common stockholders (in dollars per share) | $ 0.24 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.57 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.25 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.13 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.20 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.17 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.17 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.12 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 1.20 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.67 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.47 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Income from discontinued operations available for common stockholders (in dollars per share) |  |  |  |  | $ 0.13 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.44 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.16 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.03 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.00 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.77 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.55 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
Net income available for common stockholders (in dollars per share) | $ 0.24 us-gaap_EarningsPerShareBasic | $ 0.57 us-gaap_EarningsPerShareBasic | $ 0.25 us-gaap_EarningsPerShareBasic | $ 0.13 us-gaap_EarningsPerShareBasic | $ 0.33 us-gaap_EarningsPerShareBasic | $ 0.61 us-gaap_EarningsPerShareBasic | $ 0.33 us-gaap_EarningsPerShareBasic | $ 0.15 us-gaap_EarningsPerShareBasic | $ 1.20 us-gaap_EarningsPerShareBasic | $ 1.44 us-gaap_EarningsPerShareBasic | $ 1.02 us-gaap_EarningsPerShareBasic
Earnings per Common Share - diluted: |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations available for common stockholders (in dollars per share) | $ 0.24 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.57 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.25 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.13 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.20 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.17 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.17 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.12 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 1.19 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.67 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.47 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Income from discontinued operations available for common stockholders (in dollars per share) |  |  |  |  | $ 0.13 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.44 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.16 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.03 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.00 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.77 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.55 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
Net income available for common stockholders (in dollars per share) | $ 0.24 us-gaap_EarningsPerShareDiluted | $ 0.57 us-gaap_EarningsPerShareDiluted | $ 0.25 us-gaap_EarningsPerShareDiluted | $ 0.13 us-gaap_EarningsPerShareDiluted | $ 0.33 us-gaap_EarningsPerShareDiluted | $ 0.61 us-gaap_EarningsPerShareDiluted | $ 0.33 us-gaap_EarningsPerShareDiluted | $ 0.15 us-gaap_EarningsPerShareDiluted | $ 1.19 us-gaap_EarningsPerShareDiluted | $ 1.44 us-gaap_EarningsPerShareDiluted | $ 1.02 us-gaap_EarningsPerShareDiluted
Highwoods Properties, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Data [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net (income) attributable to noncontrolling interests in the Operating Partnership |  |  |  |  |  |  |  |  | (3,542)us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (4,691)us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Net income available for common stockholders |  |  |  |  |  |  |  |  | 108,457 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 122,949 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 77,087 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Highwoods Realty Limited Partnership [Member] |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Data [Line Items] |  |  |  |  |  |  |  |  |  |  |
Rental and other revenues | 154,664 us-gaap_RealEstateRevenueNet / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 152,629 us-gaap_RealEstateRevenueNet / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 152,722 us-gaap_RealEstateRevenueNet / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 148,453 us-gaap_RealEstateRevenueNet / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 148,988 us-gaap_RealEstateRevenueNet / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 144,827 us-gaap_RealEstateRevenueNet / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 132,618 us-gaap_RealEstateRevenueNet / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 130,377 us-gaap_RealEstateRevenueNet / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 608,468 us-gaap_RealEstateRevenueNet / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 556,810 us-gaap_RealEstateRevenueNet / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 485,046 us-gaap_RealEstateRevenueNet / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Income from continuing operations | 23,585 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 54,299 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 24,512 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 13,192 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 19,328 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 16,607 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 15,490 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 11,247 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 115,588 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 62,672 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 40,373 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Income from discontinued operations | 0 hiw_IncomeLossFromDiscontinuedOperationsAvailableForCommonUnitholders / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 0 hiw_IncomeLossFromDiscontinuedOperationsAvailableForCommonUnitholders / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 0 hiw_IncomeLossFromDiscontinuedOperationsAvailableForCommonUnitholders / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 384 hiw_IncomeLossFromDiscontinuedOperationsAvailableForCommonUnitholders / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 12,362 hiw_IncomeLossFromDiscontinuedOperationsAvailableForCommonUnitholders / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 39,460 hiw_IncomeLossFromDiscontinuedOperationsAvailableForCommonUnitholders / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 14,092 hiw_IncomeLossFromDiscontinuedOperationsAvailableForCommonUnitholders / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 2,460 hiw_IncomeLossFromDiscontinuedOperationsAvailableForCommonUnitholders / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 384 hiw_IncomeLossFromDiscontinuedOperationsAvailableForCommonUnitholders / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 68,374 hiw_IncomeLossFromDiscontinuedOperationsAvailableForCommonUnitholders / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 43,922 hiw_IncomeLossFromDiscontinuedOperationsAvailableForCommonUnitholders / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Net income | 23,585 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 54,299 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 24,512 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 13,576 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 31,690 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 56,067 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 29,582 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 13,707 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 115,972 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 131,046 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 84,295 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Net (income) attributable to noncontrolling interests in consolidated affiliates | (314)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (291)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (438)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (423)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (356)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (203)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (187)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (203)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (1,466)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (949)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (786)us-gaap_NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Distributions on Preferred Units | (626)hiw_PreferredUnitDistributionsIncomeStatementImpact / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (627)hiw_PreferredUnitDistributionsIncomeStatementImpact / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (627)hiw_PreferredUnitDistributionsIncomeStatementImpact / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (627)hiw_PreferredUnitDistributionsIncomeStatementImpact / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (627)hiw_PreferredUnitDistributionsIncomeStatementImpact / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (627)hiw_PreferredUnitDistributionsIncomeStatementImpact / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (627)hiw_PreferredUnitDistributionsIncomeStatementImpact / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (627)hiw_PreferredUnitDistributionsIncomeStatementImpact / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (2,507)hiw_PreferredUnitDistributionsIncomeStatementImpact / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (2,508)hiw_PreferredUnitDistributionsIncomeStatementImpact / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (2,508)hiw_PreferredUnitDistributionsIncomeStatementImpact / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Net income available for common unitholders | $ 22,645 hiw_NetIncomeLossAvailableToCommonUnitholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 53,381 hiw_NetIncomeLossAvailableToCommonUnitholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 23,447 hiw_NetIncomeLossAvailableToCommonUnitholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 12,526 hiw_NetIncomeLossAvailableToCommonUnitholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 30,707 hiw_NetIncomeLossAvailableToCommonUnitholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 55,237 hiw_NetIncomeLossAvailableToCommonUnitholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 28,768 hiw_NetIncomeLossAvailableToCommonUnitholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 12,877 hiw_NetIncomeLossAvailableToCommonUnitholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 111,999 hiw_NetIncomeLossAvailableToCommonUnitholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 127,589 hiw_NetIncomeLossAvailableToCommonUnitholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 81,001 hiw_NetIncomeLossAvailableToCommonUnitholdersBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Earnings per Common Unit - basic: |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations available for common unitholders (in dollars per share) | $ 0.24 us-gaap_IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.57 us-gaap_IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.25 us-gaap_IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.13 us-gaap_IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.20 us-gaap_IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.17 us-gaap_IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.17 us-gaap_IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.12 us-gaap_IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 1.20 us-gaap_IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.67 us-gaap_IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.47 us-gaap_IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Income from discontinued operations available for common unitholders (in dollars per share) | $ 0.00 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.00 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.00 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.01 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.13 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.44 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.16 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.03 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.00 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.77 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.55 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
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Earnings per Common Unit - diluted: |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations available for common unitholders (in dollars per share) | $ 0.24 us-gaap_IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.57 us-gaap_IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.25 us-gaap_IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.13 us-gaap_IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.20 us-gaap_IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.17 us-gaap_IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.17 us-gaap_IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.12 us-gaap_IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 1.20 us-gaap_IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.67 us-gaap_IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.47 us-gaap_IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Income from discontinued operations available for common unitholders (in dollars per share) | $ 0.00 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.00 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.00 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.01 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.13 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.44 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.16 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.03 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.00 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.77 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.55 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1 / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Net income available for common unitholders (in dollars per share) | $ 0.24 us-gaap_NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.57 us-gaap_NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.25 us-gaap_NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.14 us-gaap_NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.33 us-gaap_NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.61 us-gaap_NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.33 us-gaap_NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0.15 us-gaap_NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 1.20 us-gaap_NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 1.44 us-gaap_NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 1.02 us-gaap_NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember

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- Definition The amount of income (loss) from disposition of discontinued operations available to each limited partnership and general partnership unit during the reporting period, net of tax. + References No definition available. + Details
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- Definition Per unit of ownership amount after tax of gain (loss) on disposal of discontinued operations available to limited partnership (LP) unit-holder and units that would have been outstanding assuming the issuance of limited partner units for all dilutive potential units outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section F + Details
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- Definition Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1377-109256 + Details
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- Definition Per unit of ownership amount after tax of income (loss) available to limited partnership (LP) unit-holder and units that would have been outstanding assuming the issuance of limited partner units for dilutive potential units outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section F + Details
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- Definition Net income (loss) allocated to each outstanding limited partnership and general partnership unit. + References No definition available. + Details
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- Definition Amount after tax of income (loss) attributable to nonredeemable noncontrolling partner of a limited partnership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.19) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Amount after tax of income (loss) attributable to redeemable noncontrolling partner in an operating partnership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.19) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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