XML 66 R46.htm IDEA: XBRL DOCUMENT
v3.20.4

Description of Business and Significant Accounting Policies (Details) $ in Thousands, ft² in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) ft² a customers propertyUnit shares | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Description of Business [Abstract] |  |  |
Rentable square feet of commercial real estate (in square feet) | ft² | 27.2 |  |
Rentable square feet of commercial real estate under development (in square feet) | ft² | 1.2 |  |
Undeveloped land suitable for future development (in acres) | a | 230 |  |
Number of common units required to convert to one share of common stock (in shares) | 1 |  |
Number of trading days preceeding Redemption Notice Date (in days) | 10 days |  |
Consolidated in-service office properties not wholly owned (in units) | propertyUnit | 3 |  |
Percentage acquired in VIE (in hundredths) | 100.00% |  |
Self insurance liability | $ | $ 500 |  |
Real estate assets, depreciation expense | $ | $ 204,585 | $ 214,682 | $ 191,035
Maturity of highly liquid investments (in months) | 3 months |  |
Percent of annual REIT taxable income required to pay to the Company's stockholders | 90.00% |  |
Customers with leases on wholly owned properties | customers | 1,378 |  |
Percent of annualized cash rental revenue derived from geographic locations | 10.00% |  |
Limit of consolidated revenue generated by any single customer | 5.00% |  |
Deferred rents included in accounts receivable | $ | $ 3,700 |  |
Minimum [Member] |  |  |
Description of Business [Abstract] |  |  |
Adjustment interval of variable debt interest rates, mimimum (in months) | 1 month |  |
Maximum [Member] |  |  |
Description of Business [Abstract] |  |  |
Adjustment interval of variable debt interest rates, mimimum (in months) | 3 months |  |
Building [Member] |  |  |
Description of Business [Abstract] |  |  |
Property, plant and equipment useful life | 40 years |  |
Building Improvements [Member] |  |  |
Description of Business [Abstract] |  |  |
Property, plant and equipment useful life | 15 years |  |
Furniture and Fixtures [Member] | Minimum [Member] |  |  |
Description of Business [Abstract] |  |  |
Property, plant and equipment useful life | 5 years |  |
Furniture and Fixtures [Member] | Maximum [Member] |  |  |
Description of Business [Abstract] |  |  |
Property, plant and equipment useful life | 7 years |  |
Leaseholds and Leasehold Improvements [Member] | Minimum [Member] |  |  |
Description of Business [Abstract] |  |  |
Property, plant and equipment useful life | 3 years |  |
Leaseholds and Leasehold Improvements [Member] | Maximum [Member] |  |  |
Description of Business [Abstract] |  |  |
Property, plant and equipment useful life | 10 years |  |
Highwoods Properties, Inc. [Member] |  |  |
Description of Business [Abstract] |  |  |
Common Units of partnership owned (in shares) | 103,500,000 |  |
Percentage of ownership of Common Units | 97.30% |  |
Common units redeemed for a like number of common shares of stock (in shares) | 3,570 |  |
Highwoods Realty Limited Partnership [Member] |  |  |
Description of Business [Abstract] |  |  |
Common Units of partnership not owned by the Company (in shares) | 2,800,000 |  |
Issuance of Common Units in acquisition (in units) | 118,592 |  |

X
- Definition Adjustment interval in number of months of variable debt interest rates. + References No definition available. + Details
Name: | hiw_Adjustmentintervalforvariableinterestrates
Namespace Prefix: | hiw_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area of undeveloped land parcels owned in acres. + References No definition available. + Details
Name: | hiw_AreaOfUndevelopedLand
Namespace Prefix: | hiw_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of common units issued by the Company. + References No definition available. + Details
Name: | hiw_CommonUnitsOfPartnershipIssued
Namespace Prefix: | hiw_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of units not held by the Company. + References No definition available. + Details
Name: | hiw_CommonUnitsOfPartnershipNotOwned
Namespace Prefix: | hiw_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of units held by the Company. + References No definition available. + Details
Name: | hiw_CommonUnitsOfPartnershipOwned
Namespace Prefix: | hiw_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of units held by the Company. + References No definition available. + Details
Name: | hiw_CommonUnitsPercentageInvestmentOfPartnershipOwned
Namespace Prefix: | hiw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount included in accounts receivable for temporary rent deferrals granted to lessees. + References No definition available. + Details
Name: | hiw_DeferredRentReceivable
Namespace Prefix: | hiw_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Description of Business [Abstract] + References No definition available. + Details
Name: | hiw_DescriptionOfBusinessAbstract
Namespace Prefix: | hiw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of consolidated revenue deemed significant that is generated by any single customer in our wholly owned portfolio. + References No definition available. + Details
Name: | hiw_LimitOfConsolidatedRevenueGeneratedByAnySingleCustomer
Namespace Prefix: | hiw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period of maximum original maturity of highly liquid investments classified as cash equivalents, disclosed in months. + References No definition available. + Details
Name: | hiw_MaximumOriginalMaturityOfLiquidInvestmentsClassifiedAsCash
Namespace Prefix: | hiw_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum percent of annual REIT taxable income, excluding net capital gains, that is required to pay to stockholders to maintain qualification as a REIT. + References No definition available. + Details
Name: | hiw_MinimumPercentageOfTaxableIncomeRequiredToBeDistributedToMaintainReitStatus
Namespace Prefix: | hiw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of the number of customers in our Wholly Owned portfolio. + References No definition available. + Details
Name: | hiw_NumberOfCustomers
Namespace Prefix: | hiw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of consolidated in-service office properties not wholly owned. + References No definition available. + Details
Name: | hiw_NumberOfRealEstatePropertiesConsolidatedNotWhollyOwned
Namespace Prefix: | hiw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of trading days immediately preceding the redemption notice date used to calculate value. + References No definition available. + Details
Name: | hiw_NumberOfTradingDaysPrecedingRedemptionNoticeDate
Namespace Prefix: | hiw_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of common units required to convert to one share of common stock. + References No definition available. + Details
Name: | hiw_OpUnitConversionRate
Namespace Prefix: | hiw_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of revenue by geographic area that is deemed significant for reporting concentration of credit risk. + References No definition available. + Details
Name: | hiw_PercentageOfRevenueByGeographicAreaDeemedSignificantConcentrationOfCreditRisk
Namespace Prefix: | hiw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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 The number of real estate properties under/planned for development as of the balance sheet date. + References No definition available. + Details
Name: | hiw_RentableSquareFeetOfCommercialRealEstateUnderDevelopment
Namespace Prefix: | hiw_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted. + References No definition available. + Details
Name: | hiw_SelfInsuranceLiability
Namespace Prefix: | hiw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4313-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586 + Details
Name: | us-gaap_ConversionOfStockSharesConverted1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of depreciation expense of real estate investments for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Footnote 4)) -URI http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024 + Details
Name: | us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121559654&loc=SL6759159-111685 + Details
Name: | us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |