Capital contributed to joint venture to purchase a property.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Capital Contribution To Joint Venture, Percent Of Equity Capital

+ References

No definition available.

+ Details

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

- Definition

Joint Venture Capital Obligations

+ References

No definition available.

+ Details

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Namespace Prefix:	hhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents information pertaining to entitlement of distribution by joint venture after receipt of capital contribution and preferred returns.

+ References

No definition available.

+ Details

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Namespace Prefix:	hhc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Contribution Of Property, Fair Value

+ References

No definition available.

+ Details

Name:	hhc_ContributionOfPropertyFairValue
Namespace Prefix:	hhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Joint Venture Agreement, Equity Ownership Percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	hhc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Joint Venture, Preferred Return On Capital

+ References

No definition available.

+ Details

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

- Definition

Joint Venture, Preferred Return On Capital, Percent Of Cash Distributions

+ References

No definition available.

+ Details

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

- Definition

Represents the maximum capital contribution required by the partner in a joint venture.

+ References

No definition available.

+ Details

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

- Definition

Represents the percentage of preferred return on the capital of the entity.

+ References

No definition available.

+ Details

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

- Definition

Real Estate Affiliates 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

No definition available.

+ Details

Name:	hhc_SecuredDebtRealEstateAffiliates
Namespace Prefix:	hhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the reporting entity's proportionate share in indebtedness secured by the properties owned by real estate affiliates as on balance sheet date.

+ References

No definition available.

+ Details

Name:	hhc_ShareOfEntityInSecuredDebt
Namespace Prefix:	hhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of SID bonds transferred to a Joint Venture.

+ References

No definition available.

+ Details

Name:	hhc_SidBondsTransferredToJointVenture
Namespace Prefix:	hhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the amount of transaction value of land contributed to joint venture.

+ References

No definition available.

+ Details

Name:	hhc_TransactionValueOfLandContributedToJointVenture
Namespace Prefix:	hhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The per acre value of the land contributed to a joint venture.

+ References

No definition available.

+ Details

Name:	hhc_TransactionalValuePerAcreOfLandContributedToJointVenture
Namespace Prefix:	hhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

Represents the number of variable interest entities.

+ References

No definition available.

+ Details

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Namespace Prefix:	hhc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of property contributed in noncash investing and financing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (bb)
-URI http://asc.fasb.org/extlink&oid=77990344&loc=d3e5710-111685

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

+ References

+ Details

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

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InvestmentTypeAxis=us-gaap_EquityMethodInvestmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RealEstatePropertiesAxis=us-gaap_UnconsolidatedPropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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REAL ESTATE AND OTHER AFFILIATES (Narrative) (Details)		3 Months Ended		6 Months Ended	12 Months Ended
REAL ESTATE AND OTHER AFFILIATES (Narrative) (Details)	Apr. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2015 USD ($) item	Jun. 30, 2018 USD ($) item	Dec. 31, 2017 USD ($) item
Real Estate and Other Affiliates
Number of variable interest entities in which entity is primary beneficiary \| item				4	3
Carrying values of the assets associated with the operations of the consolidated VIEs		$ 115,400,000		$ 115,400,000	$ 24,800,000
Carrying values of the liabilities associated with the operations of the consolidated VIEs		52,500,000		52,500,000	$ 2,700,000
USAA Joint Venture
Real Estate and Other Affiliates
Contribution of property		33,600,000
Fair value of property contributed		$ 85,000,000
Percent of equity capital		90.00%
Joint venture capital obligations		$ 42,700,000		$ 42,700,000
Equity ownership in joint venture		33.00%		33.00%
Preferred return on capital		9.00%
The Summit
Real Estate and Other Affiliates
Preferred return on capital			5.00%
Cash distribution entitlement by the joint venture \| item			2
Equity Method Investments \| The Summit
Real Estate and Other Affiliates
Contribution of property			$ 13,400,000
SID bonds transferred to joint venture			1,300,000
Transaction value of land contributed to joint venture			125,400,000
Transactional value per acre of land contributed to joint venture			226,000
Maximum contribution required to joint venture by co-venturer			$ 30,000,000.0
Unconsolidated Properties
Real Estate and Other Affiliates
Secured debt real estate affiliates		$ 191,600,000		$ 191,600,000
Share of entity in secured debt		$ 88,900,000		88,900,000
Wacker110 N \| Construction Loans
Real Estate and Other Affiliates
Loan amount	$ 494,500,000
Proceeds from issuance of debt	52,200,000
Joint venture debt guaranteed	$ 89,000,000
USAA \| USAA Joint Venture
Real Estate and Other Affiliates
Percent of equity capital		10.00%
Capital contribution to joint venture		$ 64,000,000
Joint venture capital obligations		$ 105,600,000		$ 105,600,000
Preferred return on capital		9.00%
Preferred return on capital of cash distribution		11.11%