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Research and development expense Research Tax Credit [Member] Research Tax Credit Carryforward [Member] Research and Development Expenses Restricted stock units [Member] Cash and investments restricted for potential insurance claims Restructuring and severance costs Restructuring and Severance Costs Restructuring Charges Accrued restructuring Restructuring Reserve, Current Cumulative effect of accounting change for adoption of ASU Retained earnings Retained Earnings (Accumulated Deficit) [Member] Retained Earnings [Member] Retirement Plan Sponsor Location [Domain] Retirement Plan Type [Domain] Retirement Plan Sponsor Location [Axis] Retirement Plan Type [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Expected timing of satisfaction of performance obligation Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenues Based on Geographic Area Revenue Recognition [Abstract] Revenue Recognition Net revenues Revenues from External Customers and Long-Lived Assets [Line Items] Revolving Credit Facility [Member] Current Vulnerability Due to Certain Concentrations [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Share-based compensation arrangement by share-based payment award, options, exercisable, intrinsic value Weighted-average remaining contractual life of all exercisable options (in years) Estimated Annual Amortization Expense for Each of the Next Five Years Percentage of equity interest sold Revenue [Member] Revenue Benchmark [Member] Summary of unrecognized compensation cost and weighted average remaining amortization periods Share-Based Payment Arrangement, Nonvested Award, Cost [Table Text Block] Phantom stock units activity under the 2007 Program Restricted stock units activity Share-Based Payment Arrangement, Restricted Stock Unit, 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periodic benefit costs Schedule of Net Benefit Costs [Table Text Block] Other Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Federal statutory income tax rate reconciliation Key terms of the convertible debt instruments Schedule of Debt [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table] Estimated future benefit payments Deferred tax assets and liabilities Amounts recognized in consolidated balance sheet Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Weighted Average Potential Common Shares that Would have an Antidilutive Effect or have Unsatisfied Performance Conditions Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Weighted average assumptions used Defined Benefit Plan, Assumptions [Table Text Block] Summary of Other Accrued Expenses Summary of components of other comprehensive income Projected and accumulated benefit obligations Long-term debt instruments Schedule of Long-Term Debt Instruments [Table Text Block] Schedule of Deferred Compensation Arrangement with Individual, Postretirement Benefits [Table] Reconciliation of benefit obligation, plan assets, and funded status Schedule of Defined Benefit Plans Disclosures [Table Text Block] Schedule of Defined Benefit Plans Disclosures [Table] Compensation Related Costs, General, Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table] Business Combinations, Schedule of Business Acquisitions by Acquisition, Equity Interest Issued or Issuable [Table] Schedule of Business Acquisitions by Acquisition, Equity Interest Issued or Issuable [Table] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Table] Goodwill Rollforward Sales Returns and Allowances Accrual Activity Schedule of Property, Plant and Equipment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segment reporting information Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Stock by Class [Table] Shares of common stock reserved for future issuance Schedule of Stock by Class [Table Text Block] Current Vulnerability Due to Certain Concentrations Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Segment and Geographic Data Segment Reporting Disclosure [Text Block] Segment Reporting Information [Line Items] Segment [Domain] Segment and Geographic Data [Abstract] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Self-Insurance Programs Self Insurance Reserve [Policy Text Block] Selling, general, and administrative expenses Cancelled or forfeited, Weighted average grant date fair value (in dollars per share) Granted, weighted average exercise price (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted Average Grant-date Fair Value per Unit [Abstract] Scheduled to Vest January 1, 2025 [Member] Scheduled to Vest January 1, 2023 [Member] Exercised, weighted average exercise price (in dollars per share) Scheduled to Vest January 1, 2024 [Member] Exercisable (in shares) Stock price per share (in dollars per share) Share Price Number of units [Abstract] Beginning balance, Weighted average grant-date fair value (in dollars per share) Ending balance, Weighted average grant-date fair value (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-based Compensation Arrangement by Share-based Payment Award Cancelled or forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Balance (in shares) Balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Granted, Weighted average grant-date fair value (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vested, Weighted average grant-date fair value (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Available for future grants (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Intrinsic value under share based compensation scheme Maximum number of shares authorized under restricted stock, unrestricted stock, RSU's and stock options to officers, employees and non-employee directors (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Vested and expected to vest (in shares) Ending Balance (in shares) Beginning Balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Beginning Balance, weighted average exercise price (in dollars per share) Ending balance, weighted average exercise price (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Cancelled or forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Cancelled or forfeited, weighted average exercise price (in dollars per share) Granted (in shares) Outstanding: Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Share-based Compensation Arrangements by Share-based Payment Award, Award Type [Domain] Stock-Based Compensation Short-term lease expense Notes payable to banks Cash equivalents, Short-term Investments, and Restricted Cash [Member] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Site Contingency [Line Items] Site Contingency [Table] Consolidated Balance Sheets [Abstract] Consolidated Statements of Comprehensive Income [Abstract] Statement, Business Segments [Axis] Class of Stock [Axis] Equity Components [Axis] Equity Components [Axis] Statement [Line Items] Consolidated Statements of Cash Flows [Abstract] Statement [Table] Consolidated Statements of Stockholders' Equity [Abstract] Weighted average stock options [Member] Stock Options [Member] Conversion of Class B shares(in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Issuance of stock and related tax withholdings for vested restricted stock units (in shares) Issuance of stock and related tax withholdings for vested restricted stock units Stock options exercised (in shares) Common stock repurchase (in shares) Stock Repurchased and Retired During Period, Shares Conversion of Class B shares Stock Issued During Period, Value, Conversion of Convertible Securities Total Vishay stockholders' equity Stockholders' Equity Attributable to Parent Total Vishay stockholders' equity: Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Balance at December 31, 2019 Balance at period end Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Vishay stockholders' equity 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Acquired, Cost Method Type of Adoption [Domain] Foreign earnings without provision for US Tax Company recognized interest and penalties. Company accrued interest and penalties related to the unrecognized tax benefits Reduction for settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Increase in liabilities for unrecognized tax benefits Addition based on tax positions related to prior years Reduction based on tax positions related to prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Currency translation adjustments Unrecognized Tax Benefits, Decrease Resulting from Foreign Currency Translation Reduction for lapses of statute of limitation Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Currency translation adjustments Unrecognized Tax Benefits, Increase Resulting from Foreign Currency Translation Addition based on tax positions related to the current year Balance at beginning of year Balance at end of year Unrecognized Tax Benefits Unrecorded Unconditional Purchase Obligation [Table] Estimated purchase commitments [Abstract] Actual purchases from subcontractors Unrecorded Unconditional Purchase Obligation, Purchases 2023 Unrecorded Unconditional Purchase Obligation [Line Items] 2024 Impact of COVID-19 pandemic Insurance proceeds received Use of Estimates Vesting [Axis] Vesting [Domain] Valuation Allowance [Line Items] Valuation Allowance [Table] Valuation Allowance by Deferred Tax Asset [Axis] Variable lease expense Weighted average warrants [Member] Warrant [Member] Adjusted weighted average shares - diluted (in shares) Weighted average shares outstanding - diluted (in shares) Adjusted weighted average shares - basic (in shares) Weighted average shares outstanding - basic (in shares) Dilutive potential common shares (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Weighted average shares (in shares) Effect of dilutive securities [Abstract] Asia [Member] Asia [Member] Americas [Member] Dr. Felix Zandman [Member] Board of Directors Chairman [Member] Counterparty Name [Axis] Dr. Felix Zandman [Member] Chief Executive Officer [Member] Dr. Lior Yahalomi [Member] Chief Financial Officer [Member] Consolidation Items [Axis] Consolidation Items [Domain] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption, Adjustment [Member] Cumulative Effect, Period of Adoption [Domain] Europe [Member] Equity Affiliate Customer Type [Axis] Minimum [Member] Maximum [Member] Maximum [Member] Minimum [Member] Customer Type[Domain] Sales returns and allowances Broker-Dealer, Payable to Customer Range [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Counterparty Name [Domain] Scenario, Unspecified [Domain] Investment, Name [Axis] Geographical [Domain] Geographical [Axis] Scenario [Axis] Deferred Compensation Arrangement with Individual, Postretirement Benefits, by Title of Individual [Axis] Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual [Axis] Deferred Compensation Arrangement with Individual, Share-based Payments, by Title of Individual [Axis] Title of Individual with Relationship to Entity [Domain] Austria [Member] AUSTRIA Belgium [Member] Brazil [Member] Canada [Member] CANADA People's Republic of China [Member] People's Republic Of China [Member] Czech Republic [Member] CZECHIA Germany [Member] Germany [Member] FRANCE [Member] Israel [Member] Israel [Member] Italy [Member] Japan [Member] Malaysia Netherlands [Member] Singapore [Member] Republic of China (Taiwan) [Member] The Republic of China (Taiwan) [Member] United States [Member] U.S. Plans [Member] United States [Member] Cover [Abstract] Document Type Document Annual Report Document Transition Report Entity Interactive Data Current Amendment Flag ICFR Auditor Attestation Flag Document Fiscal Year Focus Document Fiscal Period Focus Document Period End Date Legal Entity [Axis] Entity [Domain] Entity Registrant Name Entity Central Index Key Entity File Number Entity Tax Identification Number Entity Incorporation, State or Country Code Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Shell Company Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Public Float Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, State or Province Entity Address, Country Entity Address, Postal Zip Code City Area Code Local Phone Number Entity Listings [Table] Entity Listings [Line Items] Title of 12(b) Security No Trading Symbol Flag Trading Symbol Security Exchange Name Entity Common Stock, Shares Outstanding Auditor Name Auditor Location Auditor Firm ID Pennsylvania [Member] Minimum number of months for a highly liquid investment to be considered a short-term investment. Highly liquid investments maturity term Minimum number of months until maturity from original purchase date for a highly liquid investment to be considered a short-term investment (in months) Payment terms of sales, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Revenue, Payment Terms Payment terms of sales Number of performance obligations in contract with customer. Revenue, Performance Obligation, Number of Performance Obligations Number of performance obligations Transfer period of product to customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Revenue, Amount Transfer of Products to Customer Collection period of receivables The estimated gross amount, at the balance sheet date, of costs to be incurred to complete long-lived assets under construction. Estimated cost to complete construction in progress Amount of cumulative-effect impact to long-term debt upon adoption of a new accounting standard. New Accounting Pronouncement Future Impact On Long-Term Debt Amount of cumulative-effect impact to additional paid in capital to be recognized upon adoption of a new accounting standard. New Accounting Pronouncement Future Impact On APIC The amount accrued as of the balance sheet date by the entity's captive insurance entity for claims outstanding. Outstanding claim accrual Minimum ownership percentage of consolidated entities that do not have a non-controlling interest. Minimum ownership of fully controlled entities Minimum ownership of entities that do not have a non-controlling interest (in hundredths) A classification of common stock that has different rights than Common Class A and may be converted to another form of security. Class B Convertible Common Stock [Member] Common stock, par value $0.10 per share [Member] UniCredit Bank UniCredit Bank [Member] Santander Bank Santander [Member] Cash and Cash Equivalents and Short-term Investments, when it serves as a benchmark in a concentration of risk calculation, representing the sum of all reported cash and cash equivalents and short-term investments, as of the balance sheet date. Cash and Cash Equivalents and Short-term Investments [Member] Bank Hapoalim Bank Six [Member] Bank Hapoalim [Member] Percent of cash and cash equivalents and short-term investments concentrated in the geographic location. Other Europe [Member] Percent of cash and cash equivalents and short-term investments concentrated in the geographic location. Other Geographic Area [Member] Other [Member] Deutsche Bank Bank Seven [Member] Deutsche Bank [Member] Customer One [Member] Bank Hapoalim, a participant in the Credit Facility. Bank Four [Member] Bank Hapoalim Outside Of United States [Member] Percent of cash and cash equivalents and short-term investments concentrated in the geographic location. Other Asia [Member] Bank Leumi, a participant in the Credit Facility Bank One [Member] Bank Leumi [Member] Unicredit Bank Two [Member] MUFG Bank Ltd. [Member] HSBC, a participant in the Credit Facility. Bank Five [Member] HSBC [Member] Bank of Tokyo Mitsubishi [Member] KBC, a participant in the Credit Facility Bank Three [Member] JPMorgan [Member] Bank of China Bank of China [Member] Concentration risk customer Concentration Risk Customer Line Concentration Risk, Customer The number of years that the business operation in Israel has existed. Duration of Business Operations in Israel Duration of business operations in Israel Market Concentrations [Abstract] Concentration Risks [Abstract] Amount of minimum tax due to BEAT provisions of 2017 Tax Cuts and Jobs Act. Tax Cuts and Jobs Act of 2017 BEAT Tax TCJA tax payment first installment amount paid. Tax Cuts and Jobs Act of 2017 Tax Payment First Installment Amount Paid Amount of TCJA tax first installment Amount of cash estimated to be repatriated to the United States in the next fiscal quarter. Future cash repatriation next fiscal quarter Tax expense on repatriated cash from non-US subsidiaries. Tax expense on repatriated cash from non-US subsidiaries Amount of taxes paid in current period for cash repatriation activity. Repatriation taxes paid Repatriation taxes paid The total amount of foreign earnings repatriated to the U.S. under the Company's repatriation program which was initiated in 2008. Cash Repatriated Total Total cash repatriated under the Company's program Amount of unremitted foreign earnings on which income tax was recognized. Unremitted Foreign Earnings Unremitted foreign earnings Discrete tax item due to the tax impact of early extinguishment of debt. Discrete Tax Items Debt Extinguishment Discrete tax items debt extinguishment Increase in unrecognized tax benefits resulting from interest. Unrecognized tax benefits increases resulting from interest TCJA imposed one-time transition tax rate on deferred foreign earnings for liquid assets. Tax Cuts and Jobs Act of 2017 Transition Tax Rate on Deferred Foreign Earnings for Liquid Assets TCJA one-time transition tax percentage on deferred foreign earnings for liquid assets The payment period of transition tax payable on foreign earnings, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Tax Cuts and Jobs Act of 2017, Payment Period of Transition Tax Payable Payment period of transition tax payable on foreign earnings Expected tax payable due to the enactment of the TCJA, net of estimated foreign tax credits, and after utilization of net operating loss, R&D credits, and foreign tax credit carryforwards. Expected TCJA tax payment, net Us Foreign Tax Credit [Member] U.S. Foreign Tax Credit [Member] Discrete tax items for related to all changes in uncertain tax positions, valuation allowances, tax rates, and other related items that affect the income tax expense other than planned repatriations of foreign earnings. Discrete Tax Items Other 2023 [Member] TCJA imposed one-time transition tax rate on deferred foreign earnings for illiquid assets. Tax Cuts and Jobs Act of 2017 Transition Tax Rate on Deferred Foreign Earnings for Illiquid Assets TCJA one-time transition tax percentage on deferred foreign earnings for illiquid assets The percentage of dividends received deduction allowed on qualifying dividends paid by subsidiaries under the Tax Cuts and Jobs Act of 2017. Tax Cuts and Jobs Act of 2017, Percentage of dividends received deduction allowed on qualifying dividends paid by foreign subsidiaries Percentage of dividends received deduction allowed on qualifying dividends paid by foreign subsidiaries Represents the tax benefit related to the reduction of acquisition date valuation allowances. Tax benefit of reduction of acquisition-date valuation allowances Tax benefit recognized through a reduction of acquisition-date valuation allowances recorded as a reduction of tax expense Discrete tax items for changes in uncertain tax positions, valuation allowances, tax rates, and other related items that affect the income tax expense. Discrete Tax Items Included Income Tax Expense Discrete tax items included income tax expense Earnings from years prior to the current year. Prior Year Earnings [Member] 2024 [Member] 2022 [Member] 2025 [Member] Earnings from the current year Current Year Earnings [Member] Discrete income tax effect of the pension settlement. Discrete Tax Items - Pension Settlement The effect of changes in uncertain tax positions on reported income tax expense. Tax effects of changes in uncertain tax positions The effect of changes in valuation allowances on reported income tax expense. Tax effect of changes in valuation allowances Impact of remeasurement of net deferred tax liabilities due to the enactment of the TCJA. TCJA remeasurement of deferred tax liabilities Represents the valuation allowance related to non-U.S. deferred tax assets. Non- U.S. Deferred Tax Asset [Member] The tax effect of the gain on the settlement agreement related to an attempted acquisition. Income tax reconciliation, Settlement agreement gain Settlement agreement gain The effect of change in tax law on income tax expense. Tax effect of change in tax law Change in U.S. regulations Impact of transition tax on unremitted foreign earnings due to the enactment of the TCJA. TCJA tax on unremitted foreign earnings TCJA - transition tax on unremitted foreign earnings Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to corporate reorganization Deferred tax rate impact of corporate reorganization Foreign income taxable in the United States. ForeignIncomeTaxableUS Foreign income taxable in the U.S. Discrete income tax effect of the convertible senior debenture repurchase. Discrete Tax Items Convertible Debenture Repurchase Senior convertible debenture repurchase Represents the valuation allowance related to U.S. deferred tax assets. U.S. Deferred Tax Asset [Member] Amount of discreet tax item related to a tax-basis foreign exchange gain on the settlement of an intercompany loan. Discreet tax item, tax-basis foreign exchange gain on settlement of intercompany loan Discrete tax item related to tax-basis foreign exchange gain on settlement of intercompany loan Discrete tax item related to the planned repatriation of foreign earnings that affects income tax expense. Discrete Tax Items Repatriation Discrete Tax Items Repatriation The total tax expense related to the enactment of the Tax Cuts and Jobs Act ("TCJA") in the United States. Total tax expense enactment of TCJA Discrete tax item recognized upon release of a valuation allowance. Discrete Tax Items - Release of Valuation Allowance Tabular disclosure of installment payments of one-time transition tax on deferred foreign earnings under the Tax Cuts and Jobs Act. Schedule of Expected Installment Payments of One-Time Transition Tax on Unremitted Foreign Earnings [Table Text Block] Expected installment payments of one-time transition tax on unremitted foreign earnings Stock option programs approved by stockholders to grant options to certain executive officers and key employees. On March 16, 2008, the stockholder approval for the 1998 Stock Option Program expired. Stock Option Program of 1998 [Member] 1998 Stock Option Program [Member] Expected to Vest. Expected to Vest [Member] Not Expected to Vest. Not Expected to Vest [Member] Represents the number of restricted stock units with performance-based vesting criteria which will vest immediately upon the company's achievement of the performance-based criteria due to the occurrence of an accelerating event. Shares To Be Vested Immediately Upon Companys Achievement Of Performance Based Criteria Shares to be vested immediately upon the Company's achievement of performance-based criteria Expiration date of the 2007 Stock Incentive Plan. Share Based Compensation Arrangement Expiration Of Authority To Grant Equity Based Compensation Expiration date of 2007 Stock Incentive Plan As of the balance sheet date, the number of equity instruments other than options that are not expected to vest. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Not Expected To Vest Outstanding Number Not expected to vest (in shares) Represents the number of options and/or restricted stock units which vested immediately upon the occurrence of an accelerating event such as death or resignation of the holder. Shares Immediately Vested Upon Accelerating Event Shares immediately vested upon occurrence of accelerating event As of the balance sheet date, the number of equity-based payment instruments, excluding stock (or unit) options into which fully vested and expected to vest equity-based payment instruments other than stock (or unit) options outstanding can be converted under the plan. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expected To Vest Outstanding Number Part One Expected to vest (in shares) A stock option plan of General Semiconductor, Inc., which became a wholly owned subsidiary of the Company. As a result of the acquisition, each outstanding option to acquire General Semiconductor common stock became exercisable for shares of Vishay common stock. General Semiconductor plan [Member] Stock Incentive Plan Of 2007 [Member] 2007 Stock Incentive Plan [Member] The number of phantom stock units redeemed for common stock. Share Based Compensation Arrangement Phantom Stock Units Redeemed For Common Stock Redeemed for common stock (in shares) Amount of paid-in-kind dividends issued to participating securities in the form of additional units of the participating security. Dividend equivalents issued Dividend equivalents issued (in shares) Restricted stock units (RSUs) that contain performance-based vesting criteria. Performance Vested Restricted Stock Units [Member] Performance-based restricted stock units affected by failure to meet performance-based vesting criteria. Performance based restricted stock units affected by failure to meet performance based criteria Unrecognized costs of unvested share-based compensation awards not expected to vest. Unrecognized compensation cost not expected to be recognized Tabular disclosure of lessee's right of use assets and lease liabilities. Assets and Liabilities, Lessee [Table Text Block] Right of Use Assets and Lease Liabilities Amount of miscellaneous income (expense), classified as other. Other Miscellaneous Income (Expense) Other The components of net periodic pension cost other than service cost for defined benefit postretirement plans. Other components of net periodic pension cost Other components of net periodic pension cost Description of investment Equity affiliate [Member] Cumulative total of the face amount of the original debt instrument that was repurchased. Cumulative principal amount of debt instruments repurchased The net impact on selling, general, and administrative expenses of the costs and subsidies directly attributable to COVID-19. COVID-19 Impact on SGA COVID-19 Impact on SGA COVID-19 Impact on SGA The net impact on cost of goods sold of the costs and subsidies directly attributable to COVID-19. COVID-19 Impact on COGS MaxPower Semiconductor, Inc. MaxPower Semiconductor, Inc. [Member] Number of voting equity interests acquired at the acquisition date in the business combination. Number of shares acquired UltraSource, Inc. UltraSource [Member] Bi-Metallix, Inc. Bi-Metallix [Member] The amount borrowed under a revolving credit facility used to fund or partially fund an acquisition. Borrowings to fund acquisition Approximate total tender offer price (in USD). Offered purchase price Estimated amount to be paid to acquire the remaining assets pursuant to a purchase agreement. Remaining acquisition price to be paid Executive Employment Agreements [Abstract] Executive Employment Agreements A leading global manufacturer of rectifiers and diodes, acquired in 2001. General Semiconductor [Member] Other sites for which the environmental remediation obligation or asset are disclosed. Other Sites [Member] Range of unrecorded purchase commitments during typical year. Range of typical unrecorded purchase commitments Semiconductor Foundry Agreements [Abstract] Semiconductor Foundry Agreements Long-term portion of taxes payable due to the enactment of the Tax Cuts and Jobs Act in December 2017. U.S. transition tax payable U.S. transition tax payable Acquisition target Capella Microsystems (Taiwan) Inc. Capella Microsystems (Taiwan) Inc. [Member] Fair value as of the balance sheet date of assets held in rabbi trusts to fund payments under deferred compensation and non-qualified pension plans. Rabbi Trust Assets Fair Value Disclosure Assets held in rabbi trusts Fair value of long-lived assets held and used as determined on a non-recurring basis. Long-lived assets held and used Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year (current maturities) or the normal operating cycle, if longer, and after deducting unamortized discount or premiums and derivative liability, if any. Long-term Debt Excluding Derivative Liability Long-term Debt Fair value of contingent consideration. Contingent consideration fair value The tax effect of amounts reclassified out of accumulated other comprehensive income. Tax effect of amounts classified out of accumulated other comprehensive income Tax effect Defined Benefit Pension Plans [Abstract] Defined benefit pension plans [Abstract] Other Retirement Obligations [Abstract] Other retirement obligations [Abstract] Amount of asset (liability) and accumulated other comprehensive income (loss), recognized in statement of financial position, for defined benefit pension and other postretirement plans. Defined Benefit Plan, Amounts for Asset (Liability) and Accumulated Other Comprehensive Income (Loss) Recognized in Statement of Financial Position Total Amount of pension and other postretirement plan liabilities transferred from equity affiliate to Vishay. Defined Benefit Plan, Transfer from Equity Affiliate (liabilities) Transfer from equity affiliate (liabilities) Number of European subsidiaries with unfunded non-pension postretirement plans. Defined Benefit Plan, Number Of European Subsidiaries With Unfunded Non-Pension Postretirement Plans Number of European subsidiaries with unfunded non-pension postretirement plans Number of unfunded non-pension postretirement plans maintained by the Company. Defined Benefit Plan, Number Of Unfunded Non-Pension Postretirement Plans Number of unfunded non-pension postretirement plans Other Postretirement Benefits [Abstract] Other postretirement benefits [Abstract] The employer's best estimate, as soon as it can be reasonably determined, of maximum contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions. Defined Benefit Plan Estimated Future Employer Contributions In Next Fiscal Year Maximum Estimated future employer contributions to U.S. defined benefit pension plans in next fiscal year, maximum Defined Benefit Plan, Projected And Accumulated Benefit Obligations [Abstract] Projected and accumulated benefit obligations [Abstract] Pension plans which provide defined benefits primarily to U.S. employees whose benefits under the qualified pension plan would be limited by ERISA and the Internal Revenue Code. Non-qualified Pension Plans [Member] Tabular disclosure of the amounts recorded on the consolidated balance sheets associated with various retirement benefit plans. Amounts Recorded On Consolidated Balance Sheets Associated With Various Retirement Benefit Plans [Table Text Block] Retirement Plan amounts recorded on consolidated balance sheets Other available-for-sale securities. Other AFS Securities [Member] Available-for-sale securities held in the rabbi trust. Rabbi Trust Assets [Member] Gross amount of unrealized gains (losses) on available-for-sale securities reclassified out of AOCI during the current period, excluding assets held by the Company's rabbi trust. Reclassifications of AFS investments out of AOCI Tabular disclosure of status of stockholder return policy payments. Schedule of Stockholder Return Policy [Table Text Block] Barry Industries [Member] Applied Thin-Film Products [Member] HiRel Systems, acquired January 13, 2012 HiRel Systems [Member] The entity acquired as part of an acquisition. MCB Industrie [Member] Numerator For Diluted Earnings Per Share. Numerator For Diluted Earnings Per Share [Abstract] Numerator for diluted earnings (loss) per share: Denominator For Diluted Earnings Per Share. Denominator For Diluted Earnings Per Share [Abstract] Denominator for diluted earnings (loss) per share [Abstract] Additional shares included in the calculation of diluted EPS as a result of other adjustments. Incremental Common Shares Other Adjustments Other (in shares) Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of restricted stock units. Incremental Common Shares Attributable To Restricted Stock Units Restricted stock units (in shares) Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the treasury stock method. Incremental Common Shares Attributable To Conversion Of Debt Securities Treasury Stock Method Convertible debt instruments (in shares) Denominator For Basic Earnings Per Share. Denominator For Basic Earnings Per Share [Abstract] Denominator for basic earnings (loss) per share [Abstract] Other securities not separately identified that could be converted into stock. Weighted average other [Member] Numerator For Basic Earnings Per Share. Numerator For Basic Earnings Per Share [Abstract] Numerator [Abstract] Value added tax payable VAT payable Accrued VAT taxes payable Foreign currency impact of the distributor sales accruals. Distributor sales accrual, foreign currency Foreign currency Telecommunications end market customer Telecommunications [Member] Capacitors Segment [Member] Capacitors [Member] MOSFETS Segment [Member] MOSFETS [Member] Resistors are basic components used in all forms of electronic circuitry to adjust and regulate levels of voltage and current. Resistors Segment [Member] Resistors [Member] Industrial end market customer. Industrial [Member] Distribution customers Distributors [Member] OEM customers OEMs [Member] EMS customers EMS companies [Member] Information pertaining to customers. Customers [Member] Military and aerospace end market customer Military and Aerospace [Member] Consumer products end market customer Consumer Products [Member] Automotive end market customer Automotive [Member] Medical end market customer Medical [Member] Power supplies end market customer Power Supplies [Member] Computing end market customer Computing [Member] Resistors And Inductors Segment [Member] Optoelectronic Components Segment [Member] Optoelectronic Components [Member] Diodes Segment [Member] Diodes [Member] Inductors use an internal magnetic field to change alternating current phase and resist alternating current. Inductors Segment [Member] Inductors [Member] Operating income exclusive of costs of global operations, sales and marketing, information systems, finance and administration groups. Segment Operating Income A fourth specified group of foreign countries about which segment information is provided by the entity. Segment, Geographical, Groups of Countries, Group Four [Member] Other Europe [Member] A tenth specified group of foreign countries about which segment information is provided by the entity. Segment, Geographical, Groups of Countries, Group Ten [Member] Other Geographic Area [Member] A ninth specified group of foreign countries about which segment information is provided by the entity. Segment, Geographical, Groups of Countries, Group Nine [Member] Other Asia [Member] Components of Interest expense related to convertible debentures reflected on the consolidated condensed statement of operations. Convertible Debentures Interest Expense [Table Text Block] Convertible Debt Interest Expense Revolving credit facility scheduled to mature on December 10, 2020 Previous Credit Facility [Member] Previous Credit Facility [Member] Minimum pro form leverage ratio required for unlimited investments under the revolving credit facility. Investments Pro Forma Ratio Investments pro forma ratio Total limit of "restricted payments" of any unused amount available for use in the next succeeding calendar year. Restricted Payments, Unused Amount Restricted payments, unused amount Amount of adverse judgment triggering default on revolving credit facility Event of Default - Judgment Limit Event of default - judgment limit Credit facility accelerated repayment minimum judgement. Credit facility accelerated repayment minimum judgement The amount of incremental revolving commitments available for request under the Amended and Restated Credit Agreement. Incremental revolving commitments Incremental revolving commitments The leverage ratio to trigger a change in the basis spread on the credit facility borrowings and commitment fee. Leverage ratio trigger Basis increase upon leverage ratio decrease (in hundredths) Credit facility minimum liquidity requirement under credit facility covenant. liquidity requirement Available liquidity Other long term loan. Israeli Bank Loan [Member] Convertible Senior Debentures, Due 2042 Convertible Senior Debentures, Due 2042 [Member] Convertible Senior Debentures 2042 [Member] Convertible senior debentures [Member] Convertible Senior Debentures [Member] Convertible Subordinated Notes due 2023 Convertible Subordinated Notes due 2023 [Member] Convertible Subordinated Notes, due 2023 [Member] Period to accrue contingent interest subsequent to the issuance of debt instrument, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Debt Instrument, Period to accrue contingent interest subsequent to debt issuance The minimum conditions to provide notice of intent to redeem debentures. Minimum conditions to provide notice of intent to redeem debentures Conversion Terms The portion of the repurchased convertible debt instrument allocated to liability. Allocated liability component of repurchased debt Committed and uncommitted short-term credit lines with various U.S. and foreign banks held by the Company. CommittedUncommittedShortTermCreditLines Committed and uncommitted short-term credit lines Net carrying value of repurchased debt instruments. Net carrying value of repurchased debt Period before maturity date prior to which the holders of convertible debt instruments may convert the convertible debt instruments under certain circumstances, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Debt Instrument, Convertible, Conversion Period before Maturity Date Conversion period before maturity date Amount of other noncash interest expense (income) incurred. Other Noncash Interest Expense (Income) Minimum percentage of common stock price to redemption price of debt instruments to determine eligibility of redemption. Debt Instrument, Redemption, Threshold Percentage of Stock Price Trigger Threshold percentage of stock price trigger Maximum threshold of quarterly cash dividends per share of common stock for not adjusting conversion rate of convertible notes. Debt Instrument, Convertible, Maximum threshold of quarterly cash dividends per share of common stock for not adjusting conversion rate of convertible notes Maximum threshold of quarterly cash dividends per share of common stock for not adjusting conversion rate of convertible notes (in dollars per share) The percentage of conversion price premium. Debt Instrument Conversion Price Premium Debt instrument, percentage of initial conversion price premium (in hundredths) Percentage of common stock price to redemption price of debt instruments. Debt Instrument, Redemption, Percentage of Stock Price Percentage of redemption price to principal amount Floor percentage of the trading price of convertible debt instruments to the product of common stock price and conversion rate to determine eligibility of conversion. Debt Instrument Percentage Of Sale Price Of Common Stock Debt instrument, percentage of sale price of common stock The portion of the repurchased convertible debt instrument allocated to equity. Allocated equity component of repurchased debt Liability and equity components of convertible debentures [Abstract] Amount of payments made pursuant to Stockholder Return Policy Stockholder Return Policy Payments Convertible Senior Debentures 2042 [Member] Convertible Senior Debentures 2042 [Member] Convertible Senior Debentures, Due 2042 [Member] Total limit of "restricted payments" allowed under the revolving credit facility. Restricted Payments (Total Limit) Restricted payments (total limit) Restricted payments ,total limit Restricted stock units outstanding Restricted stock units outstanding [Member] Convertible Senior Notes, due 2025 Convertible Senior Notes, Due 2025 [Member] Convertible Senior Notes, Due 2025 [Member] Available to grant 2007 Stock Incentive Program Available to grant 2007 Stock Incentive Program - [Member] Phantom stock units outstanding Phantom stock units outstanding [Member] Number of votes per share carried by each class of common stock under voting rights of common stock. Common Stock, Voting Rights, Votes Per Share Voting rights per share Rollover limit of "restricted payments" allowed under the revolving credit facility. Restricted Payments (Rollover Limit) Restricted payments (rollover limit) Restricted payments ,rollover limit Convertible Senior Debentures, Due 2041 Convertible Senior Debentures, Due 2041 [Member] Common stock options outstanding Common stock options outstanding [Member] Convertible Senior Debentures, Due 2040 Convertible Senior Debentures, Due 2040 [Member] Borrowings that are exchangeable for equity instruments. Exchangeable Unsecured Notes, Due 2102 [Member] Annual limit of "restricted payments" allowed under the revolving credit facility. Restricted Payments (Annual Limit) Restricted payments (annual limit) Restricted payments, annual limit Minimum pro form leverage ratio required for unlimited restricted payments under the revolving credit facility. Restricted Payments Pro Form Ratio Restricted payments pro forma ratio Ratio for stock dividend payment related to the Vishay Precision, Group, Inc for the amount of paid and unpaid stock dividends declared and applicable to holders of share-based compensation, for example, but not limited to, non-vested shares, stock options, or restricted stock units. Ratio for stock dividend for Vishay Precision Group, Inc Net amount of U.S. transition tax payable. U.S. transition tax (net) Change in U.S. transition tax liability Deferred income tax expense (benefit) pertaining to income from continuing operations excluding impact of separately disclosed TCJA items. Deferred income taxes excluding impact of TCJA Deferred income taxes The amount of pension and other (such as medical, dental and life insurance) postretirement benefit costs recognized during the period for (1) defined benefit plans and for (2) defined contribution plans net of the amount of cash or cash equivalents contributed during the reporting period by the entity to fund its pension plans and its non-pension postretirement benefit plans. Pensions and other postretirement benefits Pensions and other postretirement benefits, net of contributions Taxes paid related to repatriation activity. Repatriation taxes Change in repatriation tax liability