XML 76 R53.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Intangible Assets and Below Market Lease Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Intangible assets and below market lease liabilities, net [Abstract] |  |  |
Deferred leasing costs, gross | $ 344,191 | $ 353,581 |
Deferred leasing costs, accumulated amortization | (143,512) | (140,081) |
Deferred leasing costs, net/Total scheduled future amortization of intangible assets | 200,679 | 213,500 |
Acquisition-related below market lease liabilities, gross | 59,947 | 61,221 |
Acquisition-related below market lease liabilities, accumulated amortization | (28,214) | (23,074) |
Acquisition-related below market lease liabilities, net | 31,733 | 38,147 |
Deferred Leasing Costs and Acquisition-Related Intangible Assets [Member] |  |  |
Intangible assets and below market lease liabilities, net [Abstract] |  |  |
Deferred leasing costs, net/Total scheduled future amortization of intangible assets | 182,754 |  |
Amortization of intangible assets and below market lease liabilities |  |  |
Amortization of intangible assets | 41,187 | 44,968 | $ 43,332
Lease Incentives [Member] |  |  |
Intangible assets and below market lease liabilities, net [Abstract] |  |  |
Deferred leasing costs, net/Total scheduled future amortization of intangible assets | 9,906 |  |
Amortization of intangible assets and below market lease liabilities |  |  |
Amortization of intangible assets | 1,765 | 1,779 | 1,493
Acquisition-Related Intangible Assets (in Rental and Other Revenue) [Member] |  |  |
Intangible assets and below market lease liabilities, net [Abstract] |  |  |
Deferred leasing costs, net/Total scheduled future amortization of intangible assets | 6,395 |  |
Amortization of intangible assets and below market lease liabilities |  |  |
Amortization of intangible assets | 2,921 | 3,851 | 5,062
Acquisition-Related Intangible Assets (in Rental Property and Other Expenses) [Member] |  |  |
Intangible assets and below market lease liabilities, net [Abstract] |  |  |
Deferred leasing costs, net/Total scheduled future amortization of intangible assets | 1,624 |  |
Amortization of intangible assets and below market lease liabilities |  |  |
Amortization of intangible assets | 557 | 557 | 557
Acquisition-Related Below Market Lease Liabilities [Member] |  |  |
Intangible assets and below market lease liabilities, net [Abstract] |  |  |
Acquisition-related below market lease liabilities, net | 31,733 |  |
Amortization of intangible assets and below market lease liabilities |  |  |
Amortization of acquisition-related below market lease liabilities | $ (6,415) | $ (8,183) | $ (7,065)

X
- References No definition available. + Details
Name: | hiw_AmortizationOfIntangibleAssetsAndLiabilitiesAbstract
Namespace Prefix: | hiw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of amortization of acquired leases acquired as part of a real property acquisition at below market lease rate with a finite life. + References No definition available. + Details
Name: | us-gaap_AmortizationOfBelowMarketLease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_AmortizationOfIntangibleAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of accumulated amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life. + References No definition available. + Details
Name: | us-gaap_BelowMarketLeaseAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life. + References No definition available. + Details
Name: | us-gaap_BelowMarketLeaseGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount after amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life. + References No definition available. + Details
Name: | us-gaap_BelowMarketLeaseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=hiw_DeferredLeasingCostsAndAcquisitionRelatedIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=hiw_LeaseIncentivesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_AboveMarketLeasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=hiw_TaxAbatementAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=hiw_BelowMarketLeaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |