XML 69 R55.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Short-Term and Long-Term Investments - Amortized Cost and Estimated Fair Value of Available-for-Sale Securities by Contractual Maturities (Detail) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Available-for-sale Securities, Debt Maturities [Abstract] |  |
Due in two to ten years, Cost | $ 340 |
Due in ten to twenty years, Cost | 0 |
Due in twenty to forty years, Cost | 3,000 |
Cost | 3,340 | $ 3,700
Due in two to ten years, Estimated Fair Value | 340 |
Due in ten to twenty years, Estimated Fair Value | 0 |
Due in twenty to forty years, Estimated Fair Value | 2,526 |
Estimated Fair Value | $ 2,866 | $ 3,272

X
- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26610-111562 + Details
Name: | us-gaap_AvailableForSaleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_AvailableForSaleSecuritiesAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Available for sale securities debt maturities year ten through twenty amortized cost basis. + References No definition available. + Details
Name: | vicr_AvailableForSaleSecuritiesDebtMaturitiesYearTenThroughTwentyAmortizedCostBasis
Namespace Prefix: | vicr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Available for sale securities debt maturities year ten through twenty fair value. + References No definition available. + Details
Name: | vicr_AvailableForSaleSecuritiesDebtMaturitiesYearTenThroughTwentyFairValue
Namespace Prefix: | vicr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Available for sale securities debt maturities year twenty through forty amortized cost basis. + References No definition available. + Details
Name: | vicr_AvailableForSaleSecuritiesDebtMaturitiesYearTwentyThroughFortyAmortizedCostBasis
Namespace Prefix: | vicr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Available for sale securities debt maturities year twenty through forty fair value. + References No definition available. + Details
Name: | vicr_AvailableForSaleSecuritiesDebtMaturitiesYearTwentyThroughFortyFairValue
Namespace Prefix: | vicr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Available for sale securities debt maturities year two through ten amortized cost basis. + References No definition available. + Details
Name: | vicr_AvailableForSaleSecuritiesDebtMaturitiesYearTwoThroughTenAmortizedCostBasis
Namespace Prefix: | vicr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Available for sale securities debt maturities year two through ten fair value. + References No definition available. + Details
Name: | vicr_AvailableForSaleSecuritiesDebtMaturitiesYearTwoThroughTenFairValue
Namespace Prefix: | vicr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant