XML 102 R69.htm IDEA: XBRL DOCUMENT
v3.23.1

Significant accounting policies and new and not yet effective accounting standards (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022
Property, buildings and leasehold improvements [member] | Minimum [member] |
Property, Plant and Equipment |
Estimated useful lives (in years) | 5 years
Property, buildings and leasehold improvements [member] | Maximum [member] |
Property, Plant and Equipment |
Estimated useful lives (in years) | 20 years
IT equipment [member] | Minimum [member] |
Property, Plant and Equipment |
Estimated useful lives (in years) | 3 years
IT equipment [member] | Maximum [member] |
Property, Plant and Equipment |
Estimated useful lives (in years) | 10 years
Furniture, equipment and fittings [member] | Minimum [member] |
Property, Plant and Equipment |
Estimated useful lives (in years) | 3 years
Furniture, equipment and fittings [member] | Maximum [member] |
Property, Plant and Equipment |
Estimated useful lives (in years) | 10 years
Right of use assets [member] | Minimum [member] |
Property, Plant and Equipment |
Estimated useful lives (in years) | 3 years
Right of use assets [member] | Maximum [member] |
Property, Plant and Equipment |
Estimated useful lives (in years) | 15 years

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

X
- Definition The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2022-03-24 -Paragraph 73 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_c&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=vsta_PropertyBuildingsAndLeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_ComputerEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_FixturesAndFittingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_RightofuseAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |