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Commitments and Contingencies (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Lease and Contractual Commitments [Abstract] |  |
Lease and contractual commitments | $ 300.6 |
Accrued amount of lease and contractual commitments | 60.6 |
Asset Acquisition Contingent Consideration [Member] |  |
Contingent Consideration [Abstract] |  |
Asset acquisition, contingent consideration liability | $ 0.8 | $ 0.8

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- Definition Completion Contracts [Abstract] + References No definition available. + Details
Name: | hiw_CompletionContractsAbstract
Namespace Prefix: | hiw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Contingent Consideration [Abstract] + References No definition available. + Details
Name: | hiw_ContingentConsiderationAbstract
Namespace Prefix: | hiw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount as of the balance sheet date of the entity’s accrued completion contract obligation under signed leases and contracts for operating properties (excluding tenant-funded tenant improvements) and contracts for development/redevelopment projects. + References No definition available. + Details
Name: | hiw_ContractObligationAccrued
Namespace Prefix: | hiw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of the entity’s completion contract obligation under signed leases and contracts for operating properties (excluding tenant-funded tenant improvements) and contracts for development/redevelopment projects. + References No definition available. + Details
Name: | hiw_ContractsObligation
Namespace Prefix: | hiw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of liability recognized from contingent consideration in asset acquisition. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 15 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=6911878&loc=d3e8732-128492 + Details
Name: | us-gaap_AssetAcquisitionContingentConsiderationLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_OtherCommitmentsAxis=hiw_AssetAcquisitionContingentConsiderationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |