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Condensed Statements Of Operations (Parenthetical) - shares	Sep. 30, 2021	Jun. 30, 2021
Common Class B [Member]
Common Stock Subject to Forfeiture	562,500	562,500

X

- Definition

Common stock subject to forfeiture.

+ References

No definition available.

+ Details

Name:	vhna_CommonStockSubjectToForfeiture
Namespace Prefix:	vhna_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: