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
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Value of new stock classified as temporary equity issued during the period.

No definition available.

Name:	us-gaap_TemporaryEquityStockIssuedDuringPeriodValueNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Maximum potential in-kind services to be provided by a collaborative partner.

No definition available.

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

The aggregate fair value of temporary equity.

No definition available.

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

The premium over the aggregate fair value of the temporary equity.

No definition available.

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

Number of shares of new stock classified as temporary equity issued during the period upon exchange of convertible debt.

No definition available.