Debt Instrument, Basis Spread on Variable Rate, Extension Option

No definition available.

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

- Definition

Debt Instrument, Extension Option, Term

+ References

No definition available.

+ Details

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

- Definition

Number Of Bonds Issued

+ References

No definition available.

+ Details

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

- 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

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=120520924&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=120400017&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=120391452&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=120398452&loc=d3e534808-122878

+ Details

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

- Definition

Decrease for amounts of indebtedness forgiven by the holder of the debt instrument.

+ References

Reference 1: 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=120395691&loc=d3e23780-122690

+ Details

Name:	us-gaap_DebtInstrumentDecreaseForgiveness
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://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=119993939&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

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Namespace Prefix:	us-gaap_
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

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

- 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

Mortgages, Notes and Loans Payable, Net (Narrative) (Details)					3 Months Ended	9 Months Ended
	May 20, 2020 USD ($)	Mar. 27, 2020 USD ($)	Mar. 05, 2020 USD ($)	Jan. 07, 2020 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2020 USD ($) bond	Sep. 30, 2019 USD ($)	Aug. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 26, 2020 USD ($)	Mar. 23, 2020 USD ($)	Mar. 04, 2020 USD ($)	Sep. 21, 2018 USD ($)
Mortgages, notes and loans payable
Land, buildings and equipment and developments in progress pledged as collateral						$ 4,500,000,000
SID Bonds obligations assumed by buyers						3,090,000	$ 88,000
The Woodlands Resort And Conference Center
Mortgages, notes and loans payable
Loan balance									$ 62,500,000
The Woodlands Resort And Conference Center \| COVID-19 \| Forecast
Mortgages, notes and loans payable
Debt instrument, decrease, forgiveness					$ 24,100,000
Three Hughes Landing
Mortgages, notes and loans payable
Face amount			$ 61,000,000.0									$ 61,200,000
Term of extension option			12 months
Three Hughes Landing \| LIBOR
Mortgages, notes and loans payable
Interest rate margin (as a percent)			2.60%
The Woodlands Towers at the Waterway and The Woodlands Warehouse \| Bridge Loan
Mortgages, notes and loans payable
Face amount	$ 280,300,000									$ 137,000,000.0
Term of extension option	6 months
The Woodlands Towers at the Waterway and The Woodlands Warehouse \| LIBOR \| Bridge Loan
Mortgages, notes and loans payable
Interest rate margin (as a percent)	2.35%
Interest rate margin, extension option	2.90%
Self Storage Facility Member \| Operating Segments
Mortgages, notes and loans payable
Loan balance								$ 10,900,000
Line of credit \| Corporate Facility Revolver \| Revolving Credit Facility
Mortgages, notes and loans payable
Loan balance						0			$ 61,300,000		$ 67,500,000
Term loan \| $700 Million Loan Maturity September 2023
Mortgages, notes and loans payable
Face amount						615,000,000.0							$ 615,000,000.0
Special Improvement District Bonds
Mortgages, notes and loans payable
SID Bonds obligations assumed by buyers						$ 3,090,000
Special Improvement District Bonds \| Summerlin
Mortgages, notes and loans payable
Number of bonds issued \| bond						1
SID Bonds obligations assumed by buyers						$ 3,100,000
Construction Loans \| Creekside Park West
Mortgages, notes and loans payable
Face amount				$ 43,400,000
Term of extension option				1 year
Construction Loans \| Creekside Park West \| LIBOR
Mortgages, notes and loans payable
Interest rate margin (as a percent)				1.75%
Construction Loans \| Koula
Mortgages, notes and loans payable
Face amount		$ 356,800,000
Interest rate margin (as a percent)		3.00%
Term of extension option		1 year