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Intangible Assets and Below Market Lease Liabilities (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Intangible assets and below market lease liabilities, net [Abstract] |  |  |
Deferred financing and leasing costs, accumulated amortization | $ (112,804)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization | $ (92,220)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization |
Deferred financing and leasing costs, net/Total scheduled future amortization of intangible assets | 228,768 us-gaap_FiniteLivedIntangibleAssetsNet | 222,211 us-gaap_FiniteLivedIntangibleAssetsNet |
Acquired intangible assets (amortized in rental and other revenue) | 1,375 us-gaap_FiniteLivedIntangibleAssetOffMarketLeaseFavorableGross |  |
Acquired intangible assets (amortized in depreciation and amortization) | 12,901 us-gaap_FiniteLivedIntangibleAssetAcquiredInPlaceLeases |  |
Assumed below market lease liabilities (amortized in rental and other revenue) | (1,521)us-gaap_OffMarketLeaseUnfavorable |  |
Deferred Financing Costs [Member] |  |  |
Intangible assets and below market lease liabilities, net [Abstract] |  |  |
Deferred financing and leasing costs, gross | 19,478 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredFinancingCostsMember | 17,363 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredFinancingCostsMember |
Deferred financing and leasing costs, accumulated amortization | (7,953)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredFinancingCostsMember | (5,204)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredFinancingCostsMember |
Deferred financing and leasing costs, net/Total scheduled future amortization of intangible assets | 11,525 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredFinancingCostsMember | 12,159 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredFinancingCostsMember |
Amortization of intangible assets and below market lease liabilities |  |  |
Amortization of intangible assets | 3,082 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredFinancingCostsMember | 3,802 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredFinancingCostsMember | 3,685 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredFinancingCostsMember
Deferred Leasing Costs [Member] |  |  |
Intangible assets and below market lease liabilities, net [Abstract] |  |  |
Deferred financing and leasing costs, gross | 322,094 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredLeasingCostsMember | 297,068 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredLeasingCostsMember |
Deferred financing and leasing costs, accumulated amortization | (104,851)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredLeasingCostsMember | (87,016)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredLeasingCostsMember |
Deferred financing and leasing costs, net/Total scheduled future amortization of intangible assets | 217,243 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredLeasingCostsMember | 210,052 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredLeasingCostsMember |
Deferred Leasing Costs and Acquisition-Related Intangible Assets [Member] |  |  |
Intangible assets and below market lease liabilities, net [Abstract] |  |  |
Deferred financing and leasing costs, net/Total scheduled future amortization of intangible assets | 191,942 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredLeasingCostsAndAcquisitionRelatedIntangibleAssetsMember |  |
Amortization of intangible assets and below market lease liabilities |  |  |
Amortization of intangible assets | 39,402 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredLeasingCostsAndAcquisitionRelatedIntangibleAssetsMember | 37,094 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredLeasingCostsAndAcquisitionRelatedIntangibleAssetsMember | 26,509 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_DeferredLeasingCostsAndAcquisitionRelatedIntangibleAssetsMember
Lease Incentives [Member] |  |  |
Intangible assets and below market lease liabilities, net [Abstract] |  |  |
Deferred financing and leasing costs, net/Total scheduled future amortization of intangible assets | 6,951 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_LeaseIncentivesMember |  |
Amortization of intangible assets and below market lease liabilities |  |  |
Amortization of intangible assets | 1,465 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_LeaseIncentivesMember | 1,409 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_LeaseIncentivesMember | 1,389 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_LeaseIncentivesMember
Acquisition-Related Intangible Assets (in Rental and Other Revenue) [Member] |  |  |
Intangible assets and below market lease liabilities, net [Abstract] |  |  |
Deferred financing and leasing costs, net/Total scheduled future amortization of intangible assets | 15,056 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_AboveMarketLeasesMember |  |
Amortization of intangible assets and below market lease liabilities |  |  |
Amortization of intangible assets | 4,549 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_AboveMarketLeasesMember | 3,676 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_AboveMarketLeasesMember | 1,357 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_AboveMarketLeasesMember
Acquisition-Related Intangible Assets (in Rental Property and Other Expenses) [Member] |  |  |
Intangible assets and below market lease liabilities, net [Abstract] |  |  |
Deferred financing and leasing costs, net/Total scheduled future amortization of intangible assets | 3,294 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_TaxAbatementAssetsMember |  |
Amortization of intangible assets and below market lease liabilities |  |  |
Amortization of intangible assets | 557 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_TaxAbatementAssetsMember | 556 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_TaxAbatementAssetsMember | 186 us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_TaxAbatementAssetsMember
Acquisition-Related Below Market Lease Liabilities [Member] |  |  |
Intangible assets and below market lease liabilities, net [Abstract] |  |  |
Acquisition-related below market lease liabilities, gross | 55,783 us-gaap_BelowMarketLeaseGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_BelowMarketLeaseMember | 55,323 us-gaap_BelowMarketLeaseGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_BelowMarketLeaseMember |
Acquisition-related below market lease liabilities, accumulated amortization | (13,548)us-gaap_BelowMarketLeaseAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_BelowMarketLeaseMember | (8,478)us-gaap_BelowMarketLeaseAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_BelowMarketLeaseMember |
Acquisition-related below market lease liabilities, net | 42,235 us-gaap_BelowMarketLeaseNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_BelowMarketLeaseMember | 46,845 us-gaap_BelowMarketLeaseNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_BelowMarketLeaseMember |
Amortization of intangible assets and below market lease liabilities |  |  |
Amortization of acquisition-related below market lease liabilities | $ (6,129)us-gaap_AmortizationOfBelowMarketLease / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_BelowMarketLeaseMember | $ (5,316)us-gaap_AmortizationOfBelowMarketLease / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_BelowMarketLeaseMember | $ (2,627)us-gaap_AmortizationOfBelowMarketLease / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = hiw_BelowMarketLeaseMember

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- 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
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- 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 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: 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 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=26713463&loc=d3e16323-109275 + Details
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- 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
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- 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
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- 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
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- Definition This element represents the amount of value allocated by a lessor (acquirer) to lease agreements which exist at acquisition of a leased property. Such amount may include the value assigned to existing tenant relationships and excludes the market adjustment component of the value assigned for above or below-market leases acquired. + References No definition available. + Details
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- Definition This element represents the identifiable intangible asset established upon acquisition based on a favorable difference between the terms of an acquired lease and the current market terms for that lease at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.15) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- 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=26713463&loc=d3e16323-109275 + Details
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- 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=26713463&loc=d3e16323-109275 + Details
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- 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=26713463&loc=d3e16323-109275 + Details
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- Definition This element represents a liability associated with the acquisition of an off-market lease when the terms of the lease are unfavorable to the market terms for the lease at the date of acquisition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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