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

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045

Name:	us-gaap_RevenueRemainingPerformanceObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The amount of unused in-kind services waived by the company under the agreement.

No definition available.

Name:	vygr_CollaborativeArrangementAmountOfUnusedInKindServicesWaived
Namespace Prefix:	vygr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the amount of milestone payable upon achievement under collaborative arrangement.

No definition available.

Name:	vygr_CollaborativeArrangementMilestonePayableUponAchievement
Namespace Prefix:	vygr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of milestone payment agreed to be paid by the company under the agreement.

No definition available.

Name:	vygr_CollaborativeArrangementMilestonePaymentAgreedToBePaid
Namespace Prefix:	vygr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The amount of cash outflow for up-front payment paid by the company under the agreement.

No definition available.

Name:	vygr_CollaborativeArrangementUpfrontPaymentMade
Namespace Prefix:	vygr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Represents the number of non central nervous system.

No definition available.

Name:	vygr_NumberOfNonCentralNervousSystem
Namespace Prefix:	vygr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the number of select AAV capsids the company has the right to exclusively license.

No definition available.

Name:	vygr_NumberOfSelectAavCapsidsToExclusivelyLicense
Namespace Prefix:	vygr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Percentage of any income received from sublicensing arrangements related to Post-Termination HD Products in excess of specified thresholds, agreed to be paid by the company.

No definition available.

Name:	vygr_PercentageOfThresholdSublicensingIncomeAgreedToBePaid
Namespace Prefix:	vygr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Period in which milestone payment will be made of filing of investigational new drug under the agreement.

No definition available.

Name:	vygr_PeriodInWhichMilestonePaymentWillBeMadeOfFilingOfInvestigationalNewDrug
Namespace Prefix:	vygr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Threshold number of additional capsids having options to evaluate for low six-figure payment per additional capsid under the agreement.

No definition available.

Name:	vygr_ThresholdAdditionalNumberOfCapsidsHavingOptionsToEvaluateForLowPayment
Namespace Prefix:	vygr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Threshold number of capsids having exclusive options to evaluate for no consideration under the agreement.

No definition available.

Name:	vygr_ThresholdNumberOfCapsidsHavingExclusiveOptionsToEvaluateForNoConsideration
Namespace Prefix:	vygr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Threshold number of capsids that has right to obtain an exclusive license under the agreement.

No definition available.