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Short-Term and Long-Term Investments - Amortized Cost and Estimated Fair Value of Available-for-Sale Securities by Contractual Maturities (Detail) - Failed Auction Security [Member] $ in Thousands	Dec. 31, 2022 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	$ 2,622

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- 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

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	vicr_
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- Details

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