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Financing Arrangement (Details) - Tax Increment Financing Obligation Bond [Member] - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014
Financing Obligation [Line Items] |  |
Term of period for financing obligation payments | 20 years |
Expiration date for financing obligation | Oct. 31, 2019 |
Discount rate of financing obligation | 6.93% |
Acquisition date of financing obligation | Dec. 01, 2007 |
Purchase price of real estate | $ 660.0 |
Financing obligation | $ 7.4 | $ 9.0

X
- Definition The discount rate used to determine the net present value the financing obligation. + References No definition available. + Details
Name: | hiw_DiscountRateFinancingObligation
Namespace Prefix: | hiw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The date the financing obligation was acquired. + References No definition available. + Details
Name: | hiw_FinancingObligationAcquisitionDate
Namespace Prefix: | hiw_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition The expiration date of the financing obligation. + References No definition available. + Details
Name: | hiw_FinancingObligationExpirationDate
Namespace Prefix: | hiw_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Obligation [Line Items] + References No definition available. + Details
Name: | hiw_FinancingObligationLineItems
Namespace Prefix: | hiw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying value as of balance sheet date of obligations incurred as part of real estate transactions that are, in substance, a financing arrangement rather than a sale. + References No definition available. + Details
Name: | hiw_FinancingObligations
Namespace Prefix: | hiw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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 term of period for financing obligation payments, in years. + References No definition available. + Details
Name: | hiw_TermOfPeriodObligationPayments
Namespace Prefix: | hiw_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | hiw_FinancingObligationAxis=hiw_TaxIncrementFinancingObligationBondMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |