Maximum amount of Loans that may be convertible into warrants of the post-Business Combination entity.

No definition available.

Name:	hzac_MaximumLoansConvertibleIntoWarrants
Namespace Prefix:	hzac_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a advances made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

+ References

No definition available.

+ Details

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

- Definition

The cash outflow for the payment of a advances made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

+ References

No definition available.

+ Details

Name:	hzac_RepaymentsOfRelatedPartyAdvances
Namespace Prefix:	hzac_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Per unit price of warrants issued by the company.

+ References

No definition available.

+ Details

Name:	hzac_WarrantsPricePerUnit
Namespace Prefix:	hzac_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

+ Details

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

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

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=hzac_RelatedPartyLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

RELATED PARTY TRANSACTIONS - Related Party Loans and Administrative Support Agreement (Details) - USD ($)			4 Months Ended
	Aug. 28, 2020	Jul. 02, 2020	Sep. 30, 2020
Related Party Transaction [Line Items]
Proceeds from Related Party Advances		$ 300,000
Repayment of advances from related party	$ 185,000
Amount agreed to pay to sponsor under administrative support agreement			$ 10,000
Related Party Loans
Related Party Transaction [Line Items]
Maximum loans convertible into warrants			$ 1,500,000
Price of warrants (in dollars per share)			$ 1.50