XML 55 R44.htm IDEA: XBRL DOCUMENT v3.7.0.1

Commitments and Contingencies - Additional Information (Detail)	Mar. 31, 2017 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Capital expenditure commitments	$ 2,734,000

X

- References

No definition available.

+ Details

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

X

- Definition

Commitment on capital expenditure.

+ References

No definition available.

+ Details

Name:	vicr_CommitmentOnCapitalExpenditure
Namespace Prefix:	vicr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant