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Real Estate and Other Assets Held For Sale and Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
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
Assets, held for sale [Abstract] |  |  |  |  |  |  |  |  |  |  |
Land held for development | $ 995 hiw_DisposalGroupIncludingDiscontinuedOperationsLandHeldForDevelopment |  |  |  | $ 0 hiw_DisposalGroupIncludingDiscontinuedOperationsLandHeldForDevelopment |  |  |  | $ 995 hiw_DisposalGroupIncludingDiscontinuedOperationsLandHeldForDevelopment | $ 0 hiw_DisposalGroupIncludingDiscontinuedOperationsLandHeldForDevelopment |
Net real estate assets | 995 hiw_DisposalGroupIncludingDiscontinuedOperationsRealEstateInvestmentPropertyNet |  |  |  | 0 hiw_DisposalGroupIncludingDiscontinuedOperationsRealEstateInvestmentPropertyNet |  |  |  | 995 hiw_DisposalGroupIncludingDiscontinuedOperationsRealEstateInvestmentPropertyNet | 0 hiw_DisposalGroupIncludingDiscontinuedOperationsRealEstateInvestmentPropertyNet |
Prepaid expenses and other assets | 43 us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets |  |  |  | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets |  |  |  | 43 us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets |
Real estate and other assets, net, held for sale | 1,038 us-gaap_RealEstateHeldforsale |  |  |  | 0 us-gaap_RealEstateHeldforsale |  |  |  | 1,038 us-gaap_RealEstateHeldforsale | 0 us-gaap_RealEstateHeldforsale |
Discontinued Operations [Abstract] |  |  |  |  |  |  |  |  |  |  |
Rental and other revenues |  |  |  |  |  |  |  |  | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue | 20,812 us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue | 41,176 us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
Operating expenses: |  |  |  |  |  |  |  |  |  |  |
Rental property and other expenses |  |  |  |  |  |  |  |  | 0 hiw_DisposalGroupIncludingDiscontinuedOperationsRentalPropertyAndOtherExpenses | 8,283 hiw_DisposalGroupIncludingDiscontinuedOperationsRentalPropertyAndOtherExpenses | 14,456 hiw_DisposalGroupIncludingDiscontinuedOperationsRentalPropertyAndOtherExpenses
Depreciation and amortization |  |  |  |  |  |  |  |  | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization | 5,753 us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization | 11,970 us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization
Total operating expenses |  |  |  |  |  |  |  |  | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense | 14,036 us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense | 26,426 us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense
Interest expense |  |  |  |  |  |  |  |  | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense | 283 us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense
Income from discontinued operations |  |  |  |  |  |  |  |  | 0 us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax | 6,776 us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax | 14,467 us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax
Impairments of real estate assets |  |  |  |  |  |  |  |  | 0 us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf | (2,194)us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf | 0 us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
Net gains on disposition of discontinued operations |  |  |  |  |  |  |  |  | 384 us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax | 63,792 us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax | 29,455 us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
Total 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
Raleigh, NC Land Disposition (7/2014) [Member] |  |  |  |  |  |  |  |  |  |  |
Operating expenses: |  |  |  |  |  |  |  |  |  |  |
Number of land parcels included in real estaet and other assets, net, held for sale | 2 hiw_NumberOfLandParcelsInDisposalGroupIncludingDiscontinuedOperations / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = hiw_RaleighNCLandDisposition72014Member |  |  |  |  |  |  |  | 2 hiw_NumberOfLandParcelsInDisposalGroupIncludingDiscontinuedOperations / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = hiw_RaleighNCLandDisposition72014Member |  |

X
- Definition For the disposal group, including a component of the entity (discontinued operation), the carrying amount of land available for development. + References No definition available. + Details
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- Definition For the disposal group, including a component of the entity (discontinued operations), the net book value of real estate property held for investment purposes. + References No definition available. + Details
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- Definition Amount of rental property or other form of expenses attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. + References No definition available. + Details
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- Definition The number of land parcels included in property held for sale. + References No definition available. + Details
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- Definition Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition After tax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition Amount of depreciation and amortization attributable to disposal group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition Amount of interest expense allocated to disposal group, including a discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section S99 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=26872618&loc=d3e7436-122677 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1063-107759 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1060-107759 + Details
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- Definition Amount of operating expenses attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition Amount classified as other assets attributable to disposal group held for sale or disposed of. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2611-110228 + Details
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- Definition Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.12) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.14) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Article 5 + Details
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- Definition Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(f)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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