Debt Instrument, Extension Option, Term

No definition available.

Name:	hhc_DebtInstrumentExtensionOptionTerm
Namespace Prefix:	hhc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, LIBOR Cap

+ References

No definition available.

+ Details

Name:	hhc_DebtInstrumentLIBORCap
Namespace Prefix:	hhc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, LIBOR Floor

+ References

No definition available.

+ Details

Name:	hhc_DebtInstrumentLIBORFloor
Namespace Prefix:	hhc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of extension options available pertaining to a debt instrument.

+ References

No definition available.

+ Details

Name:	hhc_DebtInstrumentNumberOfExtensionOptions
Namespace Prefix:	hhc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

This element represents special improvement district bond transfers associated with land sales.

+ References

No definition available.

+ Details

Name:	hhc_SpecialImprovementDistrictBondTransfersAssociatedWithLandSales
Namespace Prefix:	hhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Variable Interest Entity, Consolidated, Joint Venture Debt, Guarantee Amount

+ References

No definition available.

+ Details

Name:	hhc_VariableInterestEntityConsolidatedJointVentureDebtGuaranteeAmount
Namespace Prefix:	hhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Variable Interest Entity, Consolidated, Joint Venture Debt, Increase (Decrease) Guarantee Amount

+ References

No definition available.

+ Details

Name:	hhc_VariableInterestEntityConsolidatedJointVentureDebtIncreaseDecreaseGuaranteeAmount
Namespace Prefix:	hhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt discount (premium).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28567-108399

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying amount, as of the date of the latest financial statement presented, of all assets that are pledged as collateral for the payment of the related debt obligation primarily arising from secured borrowings, repurchase agreements or other current or potential obligations, where the secured party does not have the right by contract or custom to sell or re-pledge the collateral and therefore are not reclassified and separately reported in the statement of financial position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 50
-Paragraph 1A
-Subparagraph (b)(1)(i)
-URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729

+ Details

Name:	us-gaap_PledgedAssetsNotSeparatelyReportedOnStatementOfFinancialPosition
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_RepaymentsOfLinesOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

+ Details

Name:	us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_SecuredDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_ConstructionLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_PrimeRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_SummerlinMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_BondsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_A250WaterStreetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_MortgagesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_CreeksideParkWestMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_MillenniumPhaseIIIApartmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_AristocratMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_TwoSummerlinMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_A8770NewTrailsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_SeaportDistrictMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=hhc_TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_AaliiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_KeKilohanaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_Wacker110NMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_Mr.CSeaportMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_Hhc242SelfStorageFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_Hhc2978SelfStorageFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_ResortAndConferenceCenterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_AccountsPayableAndAccruedLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	hhc_DerivativeInstrumentInterestRateAndMaturityDateAxis=hhc_FixedInterestRate4.89MaturingJanuary2032Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_OutletCollectionRiverwalkMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_WoodlandsandBridgelandCommunitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

MORTGAGES, NOTES AND LOANS PAYABLE, NET (Narrative) (Details)																	9 Months Ended
	Oct. 24, 2019 USD ($)	Oct. 17, 2019 USD ($)	Oct. 16, 2019	Aug. 06, 2019 USD ($)	Aug. 01, 2019 USD ($) extention_option	Jun. 27, 2019 USD ($)	Jun. 20, 2019 USD ($)	Jun. 06, 2019 USD ($)	Jun. 05, 2019 USD ($)	Jun. 03, 2019 USD ($)	May 23, 2019 USD ($)	May 22, 2019 USD ($)	May 17, 2019 USD ($) extention_option	Apr. 09, 2019 USD ($)	Mar. 12, 2019 USD ($)	Feb. 28, 2019 USD ($) extention_option	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 13, 2019 USD ($)	Aug. 02, 2019 USD ($)
Mortgages, notes and loans payable
Land, buildings and equipment and developments in progress pledged as collateral																	$ 5,000,000,000.0
Special Improvement District bond transfers associated with land sales																		$ 10,546,000
Repayments of long-term debt																	196,081,000	$ 656,816,000
Construction Loans
Mortgages, notes and loans payable
Loan amount					$ 64,600,000
Construction Loans \| Wall Street Journal Prime
Mortgages, notes and loans payable
Interest rate margin (as a percent)					0.40%
Summerlin \| Special Improvement District Bonds
Mortgages, notes and loans payable
New SIDs issued																	0
Special Improvement District bond transfers associated with land sales																	$ 88,000
250 Water Street \| Mortgages
Mortgages, notes and loans payable
Repayments of long-term debt										$ 30,000,000.0
Long-term line of credit										$ 99,700,000
Creekside Park West \| Mortgages
Mortgages, notes and loans payable
Loan amount																			$ 37,700,000
Interest rate (as a percent)																			3.52%
Creekside Park West \| Construction Loans
Mortgages, notes and loans payable
Loan amount															$ 18,000,000.0
Term of extension option															1 year
Creekside Park West \| Construction Loans \| London Interbank Offered Rate (LIBOR)
Mortgages, notes and loans payable
Interest rate margin (as a percent)															2.25%
Millennium Phase III Apartments \| Construction Loans
Mortgages, notes and loans payable
Loan amount				$ 30,700,000
Interest rate margin (as a percent)				1.75%
Term of extension option				1 year
Aristocrat \| Construction Loans
Mortgages, notes and loans payable
Loan amount					$ 31,100,000															$ 38,300,000
Interest rate (as a percent)					3.67%
Two Summerlin \| Construction Loans
Mortgages, notes and loans payable
Loan amount					$ 33,500,000
Interest rate (as a percent)					4.25%
Number of extension options \| extention_option					1
Term of extension option					36 months
8770 New Trails
Mortgages, notes and loans payable
Term of extension option						127 months
8770 New Trails \| Construction Loans
Mortgages, notes and loans payable
Loan amount						$ 35,500,000
8770 New Trails \| Construction Loans \| London Interbank Offered Rate (LIBOR)
Mortgages, notes and loans payable
Interest rate margin (as a percent)						2.45%
Seaport District \| Term Loan
Mortgages, notes and loans payable
Loan amount							$ 250,000,000.0
Interest rate (as a percent)							6.10%
Seaport District \| Term Loan \| London Interbank Offered Rate (LIBOR)
Mortgages, notes and loans payable
Interest rate margin (as a percent)							4.10%
Debt instrument, LIBOR cap							2.30%
Debt instrument, LIBOR floor							0.00%
A'ali'i
Mortgages, notes and loans payable
Term of extension option								1 year
A'ali'i \| Construction Loans
Mortgages, notes and loans payable
Loan amount								$ 293,700,000
A'ali'i \| Construction Loans \| London Interbank Offered Rate (LIBOR)
Mortgages, notes and loans payable
Interest rate margin (as a percent)								3.10%
Ke Kilohana \| Construction Loans
Mortgages, notes and loans payable
Repayments of long-term debt									$ 142,700,000
Long-term line of credit									$ 121,700,000
Wacker110 N
Mortgages, notes and loans payable
Joint venture debt guaranteed											$ 100,600,000	$ 92,300,000
Increase in joint venture debt guaranteed											46,300,000
Wacker110 N \| Construction Loans
Mortgages, notes and loans payable
Loan amount											$ 558,900,000	$ 512,600,000
Mr. C Seaport
Mortgages, notes and loans payable
Loan amount													$ 41,000,000.0
Number of extension options \| extention_option													1
Term of extension option													6 months
Mr. C Seaport \| London Interbank Offered Rate (LIBOR)
Mortgages, notes and loans payable
Interest rate margin (as a percent)													4.50%
Hhc242 Self Storage Facility
Mortgages, notes and loans payable
Long-term line of credit														$ 5,500,000
Hhc242 Self Storage Facility \| Construction Loans
Mortgages, notes and loans payable
Term of extension option														1 year
Hhc2978 Self Storage Facility
Mortgages, notes and loans payable
Long-term line of credit														$ 5,400,000
Hhc2978 Self Storage Facility \| Construction Loans
Mortgages, notes and loans payable
Term of extension option														1 year
Resort and Conference Center \| Mortgages
Mortgages, notes and loans payable
Loan amount																$ 62,500,000
Number of extension options \| extention_option																2
Term of extension option																1 year
Resort and Conference Center \| Mortgages \| London Interbank Offered Rate (LIBOR)
Mortgages, notes and loans payable
Effective interest rate (as a percent)																2.50%
Accounts payable and accrued expenses \| Interest rate derivatives \| Designated as Hedging Instrument \| Fixed Interest Rate 4.89% Maturing January 2032
Mortgages, notes and loans payable
Derivative fixed interest rate																	4.89%
Subsequent Event \| Outlet Collection, Riverwalk \| Mortgages
Mortgages, notes and loans payable
Loan amount	$ 47,900,000
Repayments of long-term debt	15,000,000.0
Long-term line of credit	$ 30,900,000
Subsequent Event \| Outlet Collection, Riverwalk \| Mortgages \| London Interbank Offered Rate (LIBOR)
Mortgages, notes and loans payable
Interest rate margin (as a percent)	2.50%
Subsequent Event \| 250 Water Street \| Mortgages
Mortgages, notes and loans payable
Long-term debt, gross		$ 99,700,000
Debt instrument, unamortized discount (premium), net		6,500,000
Subsequent Event \| Woodlands and Bridgeland Communities \| Revolving Credit Facility
Mortgages, notes and loans payable
Loan amount		250,000,000.0
Repayments of lines of credit		$ 215,000,000.0
Subsequent Event \| Woodlands and Bridgeland Communities \| Revolving Credit Facility \| London Interbank Offered Rate (LIBOR)
Mortgages, notes and loans payable
Interest rate margin (as a percent)		2.50%	2.87%