Private Placement (Details) - USD ($) $ / shares in Units, $ in Millions		6 Months Ended
Aug. 25, 2020	Jun. 30, 2021
Private Placement
Subsidiary, Sale of Stock [Line Items]
Number of warrants issued	5,933,333
Price of warrants	$ 1.50
Number of shares per warrant	1
Exercise price of warrant	$ 11.50
Total proceeds from sale of warrants	$ 8.9
Threshold period for not to transfer, assign or sell any of their shares or warrants after the completion of the initial business combination	30 days	30 days
Over-allotment
Subsidiary, Sale of Stock [Line Items]
Number of warrants issued	586,458
Price of warrants	$ 1.50
Total proceeds from sale of warrants	$ 0.9

Price per share or per unit of warrants or rights outstanding.

No definition available.

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Namespace Prefix:	hzac_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

This represents Proceeds from Sale of Units.

+ References

No definition available.

+ Details

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Namespace Prefix:	hzac_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The threshold period for not to transfer, assign or sell any of the shares or warrants, after the completion of the initial business combination.

+ References

No definition available.

+ Details

Name:	hzac_ThresholdPeriodForNotToTransferAssignOrSellAnySharesOrWarrantsAfterCompletionOfInitialBusinessCombination
Namespace Prefix:	hzac_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
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

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

- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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Period Type: