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Bonds and financing - Schedule of composition of interest and principal payments of bonds and financing (Details 1) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2023		Dec. 31, 2022	Dec. 31, 2021
Bonds and financing
Payment of interest	R$ (118,901)	[1]	R$ (92,500)	R$ (24,922)
Payment of principal	(50,885)	[1]	(255,644)
Current Bonds with Related Parties [member]
Bonds and financing
Payment of interest	(40,984)	[1]	(33,921)
Payment of principal	(50,885)	[1]	(254,885)
Current Bonds
Bonds and financing
Payment of interest	(77,917)	[1]	(58,425)
Payment of principal	R$ 0	[1]	0
Current Bonds | SSED21 – 6th. SOMOS – 2nd. Série
Bonds and financing
Payments	02/15/2023 and 08/14/2023
Payment of interest	R$ (7,258)
Payment of principal	R$ (50,885)
Current Bonds | SEDU21 – 9th. SOMOS 2nd. Série
Bonds and financing
Payments	02/14/2023 and 08/07/2023
Payment of interest	R$ (33,726)
Payment of principal	R$ 0
Current Bonds | GAGL11 - Somos Sistemas
Bonds and financing
Payments	02/06/2023 and 08/07/2023
Payment of interest	R$ (77,917)
Payment of principal	R$ 0
Current Financing [member]
Bonds and financing
Payment of interest			(154)
Payment of principal			R$ (759)
[1] We present below the composition of interest and principal payments considering the issues made:

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2022-03-24
-Paragraph 17
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_17_d&doctype=Standard
-URIDate 2022-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The description of period of borrowing payments made.

+ References

No definition available.

+ Details

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Namespace Prefix:	vsta_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The cash outflow for interest on bonds and financing, classified as operating activities.

+ References

No definition available.

+ Details

Name:	vsta_PaymentOfInterestOnBondsAndFinancingClassifiedAsOperatingActivities
Namespace Prefix:	vsta_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=vsta_CurrentBondsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	vsta_BorrowingsBySeriesAxis=vsta_BorrowingsIssue1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	vsta_BorrowingsBySeriesAxis=vsta_BorrowingsIssue3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=vsta_CurrentFinanceLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: