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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3)-K (USD $)
In Millions, unless otherwise specified
12 Months Ended 3 Months Ended
Dec. 31, 2013
Dec. 31, 2014
Sep. 30, 2013
Gain (Loss) Related to Litigation Settlement $ 4.5us-gaap_GainLossRelatedToLitigationSettlement    
Rental Revenue      
Straight-line rent receivables 10.2hhc_StraightLineRentReceivables 13.5hhc_StraightLineRentReceivables  
The Metropolitan Downtown Columbia      
Gain from sale 0.7us-gaap_CostMethodInvestmentsRealizedGains
/ invest_InvestmentAxis
= hhc_ColumbiaParcelDJointVentureMember
   
South Street Seaport      
Gain on Business Interruption Insurance Recovery 12.2us-gaap_GainOnBusinessInterruptionInsuranceRecovery
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= hhc_SouthStreetSeaportMember
27.0us-gaap_GainOnBusinessInterruptionInsuranceRecovery
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= hhc_SouthStreetSeaportMember
 
Alameda Plaza      
Pre-tax gain recognized on the sale 1.0us-gaap_GainLossOnSaleOfProperties
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= hhc_AlamedaPlazaMember
   
Head Acquisition LP      
Gain from sale 8.5us-gaap_CostMethodInvestmentsRealizedGains
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= hhc_HeadAcquisitionLPMember
   
Rio West      
Gain from sale 0.6us-gaap_CostMethodInvestmentsRealizedGains
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= hhc_RioWestMember
   
Pre-tax gain recognized on the sale     0.6us-gaap_GainLossOnSaleOfProperties
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= hhc_RioWestMember
Redlands Promenade [Member]      
Gain from sale   $ 2.4us-gaap_CostMethodInvestmentsRealizedGains
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= hhc_RedlandsPromenadeMember