Accounts payable for business combination and acquisition of associates (Details 2) - BRL (R$) R$ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of changes in accounts payable for business combination and acquisition of associates
Opening balance	R$ 532,313	R$ 48,055
Additions	120,344	703,257
Cash payment	(80,939)	(205,280)
Payments in installments	(11,379)	(19,168)	R$ 0
Interest payment	(603)	(1,571)	0
Interest adjustment	65,725	8,158
Remeasurement	(184)	(1,138)
Closing balance	R$ 625,277	R$ 532,313	R$ 48,055

The amount of accounts payable for business combination.

No definition available.

Name:	vsta_AccountsPayableForBusinessCombination
Namespace Prefix:	vsta_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The amount of additions to accounts payable for business combination.

No definition available.

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

The amount of payments made by cash for accounts payable for business combination.

No definition available.

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

The amount of interest adjustments on accounts payable for business combination.

No definition available.

Name:	vsta_InterestAdjustmentOnAccountsPayableForBusinessCombination
Namespace Prefix:	vsta_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The cash outflow for interest on business combinations, classified as operating activities.

No definition available.

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

The cash outflow for accounts payable for business combination, classified as financing activities.

No definition available.

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

No definition available.

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

The amount of remeasurement on accounts payable for business combination.

No definition available.

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