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Real Estate and Other Assets Held For Sale (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Real Estate and Other Assets Held For Sale [Abstract] |  |
Land | $ 2,873 | $ 0
Buildings and tenant improvements | 4,473 | 0
Land held for development | 3,628 | 0
Less-accumulated depreciation | (2,135) | 0
Real estate and other assets, net, held for sale | $ 8,839 | $ 0

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- Definition For the disposal group, including a component of the entity (discontinued operation), represents a total which includes the following: (1) aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements; and (2) carrying amount as of the balance sheet date of improvements having a life longer than one year that were made for the benefit of one or more tenants. + References No definition available. + Details
Name: | hiw_DisposalGroupIncludingDiscontinuedOperationsBuildingAndTenantImprovements
Namespace Prefix: | hiw_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition For the disposal group, including a component of the entity (discontinued operation), the carrying amount as of the balance sheet date of real estate held for productive use. + References No definition available. + Details
Name: | hiw_DisposalGroupIncludingDiscontinuedOperationsLand
Namespace Prefix: | hiw_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- 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
Name: | hiw_DisposalGroupIncludingDiscontinuedOperationsLandHeldForDevelopment
Namespace Prefix: | hiw_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition For the disposal group, including a component of the entity (discontinued operation), the cumulative amount of depreciation for real estate property held for investment purposes. + References No definition available. + Details
Name: | hiw_DisposalGroupIncludingDiscontinuedOperationsRealEstateInvestmentPropertyAccumulatedDepreciation
Namespace Prefix: | hiw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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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://fasb.org/us-gaap/role/ref/legacyRef -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=119400593&loc=d3e572229-122910 + Details
Name: | us-gaap_RealEstateHeldforsale
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant