XML 41 R31.htm IDEA: XBRL DOCUMENT v3.23.1

Long-Term Investments - Amortized Cost and Estimated Fair Value of Available-for-Sale Securities by Contractual Maturities (Detail) - Failed Auction Security [Member] $ in Thousands	Mar. 31, 2023 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Due in twenty to forty years, Cost	$ 3,000
Due in twenty to forty years, Estimated Fair Value	$ 2,631

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Definition

Available for sale securities debt maturities year twenty six amortized cost basis.

+ References

No definition available.

+ Details

Name:	vicr_AvailableForSaleSecuritiesDebtMaturitiesYearTwentySixAmortizedCostBasis
Namespace Prefix:	vicr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Available for sale securities debt maturities year twenty six fair value.

+ References

No definition available.

+ Details

Name:	vicr_AvailableForSaleSecuritiesDebtMaturitiesYearTwentySixFairValue
Namespace Prefix:	vicr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_AuctionRateSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: