XML 53 R35.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Real Estate Assets (Details) ft² in Thousands, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 USD ($) ft² | Mar. 31, 2015 USD ($)
Dispositions [Abstract] |  |
Gains on disposition of discontinued operations | $ 414,496 | $ 0
Gains on disposition of property | $ 4,397 | $ 1,157
Rentable square feet of building (in sq feet) | ft² | 31,200 |
Division Exit [Member] |  |
Dispositions [Abstract] |  |
Purchase price of real estate | $ 660,000 |
Gains on disposition of discontinued operations | 414,500 |
Gains on disposition of property | 1,300 |
Disposition closing credits excluded | 4,800 |
Related Party Office Building Disposition [Member] |  |
Dispositions [Abstract] |  |
Purchase price of real estate | 4,700 |
Gains on disposition of property | $ 1,100 |
Rentable square feet of building (in sq feet) | ft² | 32 |
Buyer occupancy percentage (in hundredths) | 79.00% |
Disposition closing credits excluded | $ 100 |
Building Dispositions [Member] |  |
Dispositions [Abstract] |  |
Purchase price of real estate | 6,400 |
Gains on disposition of property | 2,000 |
Disposition closing credits excluded | $ 500 |

X
- Definition Percentage of building currently leased by the buyer. + References No definition available. + Details
Name: | hiw_BuyerOccupancyPercentage
Namespace Prefix: | hiw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of closing credits excluded from the sale price for a disposition. + References No definition available. + Details
Name: | hiw_DispositionClosingCreditsExcluded
Namespace Prefix: | hiw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
Name: | hiw_DispositionsAbstract
Namespace Prefix: | hiw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The purchase price of real estate before and/or after closing credits to buyer for unfunded tenant improvements, building improvements and/or free rent, if any. + References No definition available. + Details
Name: | hiw_PurchasePriceOfRealEstate
Namespace Prefix: | hiw_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of square footage related to real estate properties. + References No definition available. + Details
Name: | hiw_RentableSquareFeetOfCommercialRealEstate
Namespace Prefix: | hiw_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation. + 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 (b) -URI http://asc.fasb.org/extlink&oid=51717284&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=51716988&loc=SL51721525-107759 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5C -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=51717284&loc=SL51721675-107760 Reference 4: 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=51716988&loc=d3e957-107759 + Details
Name: | us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property. + 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 (b) -URI http://asc.fasb.org/extlink&oid=51717284&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2941-110230 + Details
Name: | us-gaap_GainLossOnDispositionOfAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=hiw_DivisionExitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=hiw_RelatedPartyOfficeBuildingDispositionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=hiw_BuildingDispositionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |