Represents the area of land sold by the entity during the period.

No definition available.

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- Definition

Square Footage Of Building

+ References

No definition available.

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- Definition

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

+ References

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-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 1
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Balance Type:	na
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- Definition

The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Section S99
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-Subparagraph (SX 210.9-04(14)(d))
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-Subparagraph (SX 210.7-04(3)(a))
-URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263

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Balance Type:	credit
Period Type:	duration

- Definition

Carrying amounts due as of the balance sheet date of the sum of amounts receivable other than from customers.

+ 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 210.5-02.8)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	debit
Period Type:	instant

- Definition

Cash received for the sale of real estate that is not part of an investing activity during the current period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585

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

- Definition

Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.

+ References

+ Details

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

- Definition

For banks, the total amount of real estate assets held for development and sale.

+ References

No definition available.

+ Details

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

- Definition

For banks, amount of all liabilities for which a financial institution is required to include in its calculation of net investment in real estate assets held for development or sale.

+ References

No definition available.

+ 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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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- Details

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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hhc_LandParcelHolladayUtahMember
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Balance Type:
Period Type:

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RECENT AND PENDING TRANSACTIONS (Details) $ in Thousands			3 Months Ended		9 Months Ended
RECENT AND PENDING TRANSACTIONS (Details) $ in Thousands	Oct. 29, 2019 USD ($) a	Sep. 16, 2019 USD ($) ft² a	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)
Real Estate [Line Items]
Gains on sales of properties			$ 24,201	$ 0	$ 24,051	$ 0
Proceeds from sales of properties					9,460	$ 0
West Windsor, New Jersey
Real Estate [Line Items]
Real estate liabilities associated with assets held for development and sale			7,200		7,200
Real estate assets held for development and sale			100		$ 100
Cottonwood Mall
Real Estate [Line Items]
Proceeds from sale of real estate		$ 46,000
Real estate liabilities associated with assets held for development and sale		21,500
Real estate assets held for development and sale		$ 300
Square footage of building (in square feet) \| ft²		196,975
Gains on sales of properties			$ 24,100
Proceeds from sales of properties		$ 10,000
Note receivable		$ 36,000
Interest rate (as a percent)		5.00%
Holladay, Utah
Real Estate [Line Items]
Area of land sold (in acres) \| a		54
Subsequent Event \| West Windsor, New Jersey
Real Estate [Line Items]
Area of land sold (in acres) \| a	658
Proceeds from sale of real estate	$ 40,000