Debt Instrument, Covenant Compliance, Increase (Decrease) In Restricted Cash

No definition available.

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

- Definition

Debt Instrument, Extension Option, Term

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Option To Increase Borrowing Capacity

+ References

No definition available.

+ Details

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

- Definition

Number Of Bonds Issued

+ References

No definition available.

+ Details

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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
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

+ Details

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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
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+ Details

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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
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+ Details

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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

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+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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+ Details

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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

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

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- Details

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- Details

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- Details

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Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
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Period Type:

- Details

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- Details

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- Details

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- Details

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Mortgages, Notes and Loans Payable, Net (Narrative) (Details)	1 Months Ended	3 Months Ended		12 Months Ended
	Apr. 30, 2021 USD ($)	Mar. 31, 2021 USD ($) bond	Mar. 31, 2020 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2018 USD ($)
Mortgages, notes and loans payable
Land, buildings and equipment and developments in progress pledged as collateral		$ 4,300,000,000
Special Improvement District bond transfers associated with land sales		0	$ 3,000
Increase in restricted cash		9,400,000
Restricted cash		198,544,000			$ 228,311,000
$700 Million loan due 2023
Mortgages, notes and loans payable
Face amount				$ 700,000,000.0
Option to increase borrowing capacity				50,000,000.0
Term loan \| $700 Million loan due 2023
Mortgages, notes and loans payable
Face amount		615,000,000.0		615,000,000.0	$ 615,000,000.0		$ 615,000,000.0
Term loan \| The Woodlands and Bridgeland Credit Facility
Mortgages, notes and loans payable
Face amount						$ 100,000,000.0
Line of credit \| $700 Million loan due 2023 \| Revolving Credit Facility
Mortgages, notes and loans payable
Face amount				$ 85,000,000.0
Outstanding borrowings		0
Line of credit \| The Woodlands and Bridgeland Credit Facility
Mortgages, notes and loans payable
Facility amount						250,000,000.0
Line of credit \| The Woodlands and Bridgeland Credit Facility \| Revolving Credit Facility
Mortgages, notes and loans payable
Face amount						$ 150,000,000.0
Outstanding borrowings		$ 50,000,000.0
Special Improvement District bonds \| Summerlin
Mortgages, notes and loans payable
Number of bonds issued \| bond		0
Special Improvement District bond transfers associated with land sales		$ 0
Construction Loans \| Marlow development \| Subsequent Event
Mortgages, notes and loans payable
Face amount	$ 82,600,000
Term of extension option	1 year
Construction Loans \| Marlow development \| LIBOR \| Subsequent Event
Mortgages, notes and loans payable
Interest rate margin (as a percent)	2.95%
Construction Loans \| Starling at Bridgeland \| Subsequent Event
Mortgages, notes and loans payable
Face amount	$ 42,700,000
Term of extension option	1 year
Construction Loans \| Starling at Bridgeland \| Subsequent Event \| Minimum
Mortgages, notes and loans payable
Interest rate	3.75%
Construction Loans \| Starling at Bridgeland \| LIBOR \| Subsequent Event
Mortgages, notes and loans payable
Interest rate margin (as a percent)	2.75%
Construction Loans \| Tanager Apartments \| Subsequent Event
Mortgages, notes and loans payable
Face amount	$ 58,500,000
Interest rate (as a percent)	3.13%