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v2.4.1.9

Mortgages and Notes Receivable (Details) (USD $) | 12 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Mar. 31, 2014 | Dec. 31, 2010 transactions
Mortgages and Notes Receivable, Net [Abstract] |  |  |  |  |
Mortgages and notes receivable, allowance | $ (275,000)us-gaap_FinancingReceivableAllowanceForCreditLosses | $ (302,000)us-gaap_FinancingReceivableAllowanceForCreditLosses | $ (182,000)us-gaap_FinancingReceivableAllowanceForCreditLosses |  |
Mortgages and notes receivable, net | 13,116,000 us-gaap_NotesReceivableNet | 26,409,000 us-gaap_NotesReceivableNet |  |  |
Repayment of seller financing | 17,239,000 us-gaap_ProceedsFromCollectionOfNotesReceivable | 405,000 us-gaap_ProceedsFromCollectionOfNotesReceivable | 1,776,000 us-gaap_ProceedsFromCollectionOfNotesReceivable |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Beginning notes receivable allowance | 302,000 us-gaap_FinancingReceivableAllowanceForCreditLosses | 182,000 us-gaap_FinancingReceivableAllowanceForCreditLosses |  | 302,000 us-gaap_FinancingReceivableAllowanceForCreditLosses |
Recoveries/write-offs/other | (27,000)us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery | 120,000 us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery |  |  |
Total notes receivable allowance | 275,000 us-gaap_FinancingReceivableAllowanceForCreditLosses | 302,000 us-gaap_FinancingReceivableAllowanceForCreditLosses | 182,000 us-gaap_FinancingReceivableAllowanceForCreditLosses |  |
Seller Financing [Member] |  |  |  |  |
Mortgages and Notes Receivable, Net [Abstract] |  |  |  |  |
Mortgages and notes receivable, gross | 0 us-gaap_NotesReceivableGross / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_MortgageReceivablesMember | 16,454,000 us-gaap_NotesReceivableGross / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_MortgageReceivablesMember |  |  |
Mortgages and notes receivable, allowance | 0 us-gaap_FinancingReceivableAllowanceForCreditLosses / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_MortgageReceivablesMember |  |  |  |
Mortgages and notes receivable, net | 0 us-gaap_NotesReceivableNet / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_MortgageReceivablesMember | 16,454,000 us-gaap_NotesReceivableNet / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_MortgageReceivablesMember |  |  |
Number of transactions with seller financing |  |  |  |  | 2 hiw_NumberOfTransactionsWithSellerFinancing / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_MortgageReceivablesMember
Repayment of seller financing |  |  |  | 16,500,000 us-gaap_ProceedsFromCollectionOfNotesReceivable / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_MortgageReceivablesMember |
Deferred gain on sale of real estate |  |  |  | 400,000 us-gaap_DeferredGainOnSaleOfProperty / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_MortgageReceivablesMember |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Beginning notes receivable allowance | 0 us-gaap_FinancingReceivableAllowanceForCreditLosses / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_MortgageReceivablesMember |  |  | 0 us-gaap_FinancingReceivableAllowanceForCreditLosses / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_MortgageReceivablesMember |
Total notes receivable allowance | 0 us-gaap_FinancingReceivableAllowanceForCreditLosses / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_MortgageReceivablesMember |  |  |  |
Mortgage Receivable [Member] |  |  |  |  |
Mortgages and Notes Receivable, Net [Abstract] |  |  |  |  |
Mortgages and notes receivable, gross | 10,869,000 us-gaap_NotesReceivableGross / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_LoansReceivableMember | 9,435,000 us-gaap_NotesReceivableGross / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_LoansReceivableMember | 8,648,000 us-gaap_NotesReceivableGross / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_LoansReceivableMember |  |
Mortgages and notes receivable, allowance | 0 us-gaap_FinancingReceivableAllowanceForCreditLosses / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_LoansReceivableMember |  |  |  |
Mortgages and notes receivable, net | 10,869,000 us-gaap_NotesReceivableNet / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_LoansReceivableMember | 9,435,000 us-gaap_NotesReceivableNet / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_LoansReceivableMember |  |  |
Additional loan commitment to third party |  |  | 8,400,000 hiw_AdditionalLoanCommitmentToThirdParty / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_LoansReceivableMember |  |
Cumulative funds for future infrastructure disbursed to third party | 1,100,000 hiw_CumulativeFundsDisbursedToThirdParty / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_LoansReceivableMember |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Beginning notes receivable allowance | 0 us-gaap_FinancingReceivableAllowanceForCreditLosses / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_LoansReceivableMember |  |  | 0 us-gaap_FinancingReceivableAllowanceForCreditLosses / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_LoansReceivableMember |
Total notes receivable allowance | 0 us-gaap_FinancingReceivableAllowanceForCreditLosses / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_LoansReceivableMember |  |  |  |
Promissory Notes [Member] |  |  |  |  |
Mortgages and Notes Receivable, Net [Abstract] |  |  |  |  |
Mortgages and notes receivable, gross | 2,522,000 us-gaap_NotesReceivableGross / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_NotesReceivableMember | 822,000 us-gaap_NotesReceivableGross / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_NotesReceivableMember |  |  |
Mortgages and notes receivable, allowance | (275,000)us-gaap_FinancingReceivableAllowanceForCreditLosses / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_NotesReceivableMember | (302,000)us-gaap_FinancingReceivableAllowanceForCreditLosses / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_NotesReceivableMember |  |  |
Mortgages and notes receivable, net | 2,247,000 us-gaap_NotesReceivableNet / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_NotesReceivableMember | 520,000 us-gaap_NotesReceivableNet / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_NotesReceivableMember |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Total notes receivable allowance | $ 275,000 us-gaap_FinancingReceivableAllowanceForCreditLosses / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_NotesReceivableMember | $ 302,000 us-gaap_FinancingReceivableAllowanceForCreditLosses / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = us-gaap_NotesReceivableMember |  |  |

X
- Definition Amount of additional loan amount committed to third party for future development. + References No definition available. + Details
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- Definition Cumulative amount of funds for future infrastructure development disbursed to third party. + References No definition available. + Details
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- Definition Amount of gain on the sale of property that does not qualify for gain recognition as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 40 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.U.Q2) -URI http://asc.fasb.org/extlink&oid=6955272&loc=d3e221323-122791 + Details
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- Definition Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(3)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Subparagraph 3 -Article 9 + Details
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- Definition Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services. + 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 210.5-02.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Article 5 + Details
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