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Real Estate and Other Assets Held For Sale (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
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Real Estate and Other Assets Held For Sale [Abstract] |  |
Land | $ 0 | $ 870
Buildings and tenant improvements | 0 | 21,318
Land held for development | 0 | 355
Less-accumulated depreciation | 0 | (9,304)
Net real estate assets | 0 | 13,239
Accrued straight-line rents receivable | 0 | 591
Deferred leasing costs, net | 0 | 253
Prepaid expenses and other assets | 0 | 35
Real estate and other assets, net, held for sale | $ 0 | $ 14,118

X
- 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
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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 difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property, by the lessor or lessee. + References No definition available. + Details
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Namespace Prefix: | hiw_
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Balance Type: | debit
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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
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Data Type: | xbrli:monetaryItemType
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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
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Data Type: | xbrli:monetaryItemType
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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
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- References No definition available. + Details
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Balance Type: | na
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- Definition Amount classified as intangible assets, excluding goodwill, attributable to disposal group held for sale or disposed of. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721533-107759 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109222160&loc=d3e1107-107759 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109222160&loc=d3e1107-107759 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721533-107759 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760 + 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://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=6879938&loc=d3e572229-122910 + Details
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