The aggregate carrying value of communities for which detailed impairment calculatons were performed.

No definition available.

Name:	hov_CarryingValueOfCommunitiesTestedForImpairment
Namespace Prefix:	hov_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value.

+ References

No definition available.

+ Details

Name:	hov_InventoryMeasurementInput
Namespace Prefix:	hov_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

The net book value of mothballed communities at the end of the period.

+ References

No definition available.

+ Details

Name:	hov_InventoryRealEstateMothballedCommunities
Namespace Prefix:	hov_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of impairment charges recorded to date on our mothballed communities.

+ References

No definition available.

+ Details

Name:	hov_InventoryRealEstateMothballedCommunitiesAccumulatedImpairmentCharges
Namespace Prefix:	hov_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Inventory not owned required to be recorded as a financing in accordance with current accounting standards.

+ References

No definition available.

+ Details

Name:	hov_InventoryRealEstateOtherOptions
Namespace Prefix:	hov_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The charge against earnings in the period to write off costs associated with land options that were terminated.

+ References

No definition available.

+ Details

Name:	hov_LandOptionWriteOffs
Namespace Prefix:	hov_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Includes the liabilities for the inventory for which we do not have title related to the remaining exercise price of land and lot option purchases contracts; variable interest entities when we are the primary beneficiary; and model sale leaseback financing arrangements.

+ References

No definition available.

+ Details

Name:	hov_LiabilitiesFromInventoryRealEstateNotOwned
Namespace Prefix:	hov_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of communities evaluated for impairment during the period

+ References

No definition available.

+ Details

Name:	hov_NumberOfCommunitiesEvaluatedForImpairment
Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of communities with impairment losses.

+ References

No definition available.

+ Details

Name:	hov_NumberOfCommunitiesImpaired
Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of mothballed communities at the end of the period.

+ References

No definition available.

+ Details

Name:	hov_NumberOfCommunitiesMothballed
Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of communities for which detailed impairment calculations were performed during the period.

+ References

No definition available.

+ Details

Name:	hov_NumberOfCommunitiesPerformedDetailedImpairmentCalculations
Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of mothballed communities partially reactivated during the period.

+ References

No definition available.

+ Details

Name:	hov_NumberOfMothballedCommunitiesPartiallyReactivated
Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of mothballed communities reactivated during the period.

+ References

No definition available.

+ Details

Name:	hov_NumberOfMothballedCommunitiesReactivated
Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of previously mothballed communities sold during the period.

+ References

No definition available.

+ Details

Name:	hov_NumberOfPreviouslyMothballedCommunitiesSoldDuringThePeriod
Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of lots under option that the Company walked-away from during the period.

+ References

No definition available.

+ Details

Name:	hov_NumberOfWalkAwayLots
Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

+ Details

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

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=hov_HomebuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=hov_ModelSaleLeasebackFinancingArrangementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=hov_LandBankingArrangementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 4 - Reduction of Inventory to Fair Value (Details Textual) $ in Thousands	3 Months Ended				6 Months Ended	9 Months Ended
	Jul. 31, 2021 USD ($)	Jul. 31, 2020 USD ($)	Apr. 30, 2020 USD ($)	Jan. 31, 2020 USD ($)	Apr. 30, 2021 USD ($)	Jul. 31, 2021 USD ($)	Jul. 31, 2020 USD ($)	Oct. 31, 2020 USD ($)
Impairment of Real Estate	$ 1,200	$ 0				$ 2,000	$ 0
Number of Communities Evaluated for Impairment						374	354
Number of Walk Away Lots	851	1,131				1,420	3,495
Homebuilding [Member]
Impairment of Real Estate	$ 1,200	$ 0	$ 0	$ 0		$ 2,000	$ 0
Number of Communities Evaluated for Impairment							354
Number of Communities Performed Detailed Impairment Calculations						3	1
Carrying Value of Communities Tested for Impairment						$ 11,500	$ 600
Number of Communities Impaired	2					3
Land Option Write Offs	$ 100	$ 2,400				$ 1,300	$ 6,200
Number of Previously Mothballed Communities Sold During the Period					2
Number of Mothballed Communities Reactivated					2
Number of Mothballed Communities Partially Reactivated					2
Number of Communities Mothballed					8			12
Inventory Real Estate Mothballed Communities					$ 4,400			$ 11,400
Inventory Real Estate Mothballed Communities Accumulated Impairment Charges					$ 61,500			122,200
Liabilities from Inventory Real Estate Not Owned	69,627					69,627		131,204
Homebuilding [Member] \| Model Sale Leaseback Financing Arrangements [Member]
Inventory Real Estate, Other Options	36,000					36,000		48,800
Liabilities from Inventory Real Estate Not Owned	34,900					34,900		47,200
Homebuilding [Member] \| Land Banking Arrangement [Member]
Inventory Real Estate, Other Options	62,100					62,100		133,400
Liabilities from Inventory Real Estate Not Owned	$ 34,700					$ 34,700		$ 84,000
Homebuilding [Member] \| Measurement Input, Discount Rate [Member] \| Minimum [Member]
Inventory, Measurement Input						0.183
Homebuilding [Member] \| Measurement Input, Discount Rate [Member] \| Maximum [Member]
Inventory, Measurement Input						0.193