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Consolidated Statements of Stockholders' Equity (USD $) In Thousands | Common Stock [Member] | Common Stock [Member] Convertible Senior Debentures, Due 2040 [Member] | Common Stock [Member] Convertible Senior Debentures, Due 2041 [Member] | Common Stock [Member] Convertible Senior Debentures, Due 2042 [Member] | Class B Convertible Common Stock [Member] | Class B Convertible Common Stock [Member] Convertible Senior Debentures, Due 2040 [Member] | Class B Convertible Common Stock [Member] Convertible Senior Debentures, Due 2041 [Member] | Class B Convertible Common Stock [Member] Convertible Senior Debentures, Due 2042 [Member] | Capital In Excess of Par Value [Member] | Capital In Excess of Par Value [Member] Convertible Senior Debentures, Due 2040 [Member] | Capital In Excess of Par Value [Member] Convertible Senior Debentures, Due 2041 [Member] | Capital In Excess of Par Value [Member] Convertible Senior Debentures, Due 2042 [Member] | Retained Earnings (Accumulated Deficit) [Member] | Retained Earnings (Accumulated Deficit) [Member] Convertible Senior Debentures, Due 2040 [Member] | Retained Earnings (Accumulated Deficit) [Member] Convertible Senior Debentures, Due 2041 [Member] | Retained Earnings (Accumulated Deficit) [Member] Convertible Senior Debentures, Due 2042 [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Accumulated Other Comprehensive Income (Loss) [Member] Convertible Senior Debentures, Due 2040 [Member] | Accumulated Other Comprehensive Income (Loss) [Member] Convertible Senior Debentures, Due 2041 [Member] | Accumulated Other Comprehensive Income (Loss) [Member] Convertible Senior Debentures, Due 2042 [Member] | Total Vishay Stockholders' Equity [Member] | Total Vishay Stockholders' Equity [Member] Convertible Senior Debentures, Due 2040 [Member] | Total Vishay Stockholders' Equity [Member] Convertible Senior Debentures, Due 2041 [Member] | Total Vishay Stockholders' Equity [Member] Convertible Senior Debentures, Due 2042 [Member] | Noncontrolling Interests [Member] | Noncontrolling Interests [Member] Convertible Senior Debentures, Due 2040 [Member] | Noncontrolling Interests [Member] Convertible Senior Debentures, Due 2041 [Member] | Noncontrolling Interests [Member] Convertible Senior Debentures, Due 2042 [Member] | Total | Convertible Senior Debentures, Due 2040 [Member] | Convertible Senior Debentures, Due 2041 [Member] | Convertible Senior Debentures, Due 2042 [Member]
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Balance at Dec. 31, 2009 | $ 17,228 |  |  |  | $ 1,435 |  |  |  | $ 2,317,613 |  |  |  | $ (922,805) |  |  |  | $ 102,975 |  |  |  | $ 1,516,446 |  |  |  | $ 5,155 |  |  |  | $ 1,521,601 |  |  |
Net earnings | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 359,106 |  |  |  | 0 |  |  |  | 359,106 |  |  |  | 1,187 |  |  |  | 360,293 |  |  |
Other comprehensive income (loss) | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | (56,487) |  |  |  | (56,487) |  |  |  | 0 |  |  |  | (56,487) |  |  |
Spin-off of Vishay Precision Group, Inc. | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | (178,538) |  |  |  | 14,003 |  |  |  | (164,535) |  |  |  | (166) |  |  |  | (164,701) |  |  |
Share repurchase | (2,172) |  |  |  | 0 |  |  |  | (272,828) |  |  |  | 0 |  |  |  | 0 |  |  |  | (275,000) |  |  |  | 0 |  |  |  | (275,000) |  |  |
Issuance of convertible debentures |  | 0 |  |  |  | 0 |  |  |  | 110,094 |  |  |  | 0 |  |  |  | 0 |  |  |  | 110,094 |  |  |  | 0 |  |  |  | 110,094 |  |
Distributions to noncontrolling interests | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | (757) |  |  |  | (757) |  |  |
Phantom and restricted stock issuances | 12 |  |  |  | 0 |  |  |  | (12) |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |
Cancellation of shares | (7) |  |  |  | 0 |  |  |  | 7 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |
Stock compensation expense | 0 |  |  |  | 0 |  |  |  | 2,643 |  |  |  | 0 |  |  |  | 0 |  |  |  | 2,643 |  |  |  | 0 |  |  |  | 2,643 |  |  |
Tax effects of stock plan | 0 |  |  |  | 0 |  |  |  | (536) |  |  |  | 0 |  |  |  | 0 |  |  |  | (536) |  |  |  | 0 |  |  |  | (536) |  |  |
Conversions from Class B to common stock | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |
Balance at Dec. 31, 2010 | 15,061 |  |  |  | 1,435 |  |  |  | 2,156,981 |  |  |  | (742,237) |  |  |  | 60,491 |  |  |  | 1,491,731 |  |  |  | 5,419 |  |  |  | 1,497,150 |  |  |
Net earnings | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 238,821 |  |  |  | 0 |  |  |  | 238,821 |  |  |  | 1,176 |  |  |  | 239,997 |  |  |
Other comprehensive income (loss) | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | (56,713) |  |  |  | (56,713) |  |  |  | 0 |  |  |  | (56,713) |  |  |
Share repurchase | (862) |  |  |  | 0 |  |  |  | (149,138) |  |  |  | 0 |  |  |  | 0 |  |  |  | (150,000) |  |  |  | 0 |  |  |  | (150,000) |  |  |
Issuance of convertible debentures |  |  | 0 |  |  |  | 0 |  |  |  | 62,246 |  |  |  | 0 |  |  |  | 0 |  |  |  | 62,246 |  |  |  | 0 |  |  |  | 62,246 |
Distributions to noncontrolling interests | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | (1,440) |  |  |  | (1,440) |  |  |
Phantom and restricted stock issuances | 20 |  |  |  | 0 |  |  |  | (161) |  |  |  | 0 |  |  |  | 0 |  |  |  | (141) |  |  |  | 0 |  |  |  | (141) |  |  |
Stock options exercised | 65 |  |  |  | 0 |  |  |  | 9,610 |  |  |  | 0 |  |  |  | 0 |  |  |  | 9,675 |  |  |  | 0 |  |  |  | 9,675 |  |  |
Stock compensation expense | 0 |  |  |  | 0 |  |  |  | 6,832 |  |  |  | 0 |  |  |  | 0 |  |  |  | 6,832 |  |  |  | 0 |  |  |  | 6,832 |  |  |
Tax effects of stock plan | 0 |  |  |  | 0 |  |  |  | 555 |  |  |  | 0 |  |  |  | 0 |  |  |  | 555 |  |  |  | 0 |  |  |  | 555 |  |  |
Conversions from Class B to common stock | 90 |  |  |  | (90) |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |
Balance at Dec. 31, 2011 | 14,374 |  |  |  | 1,345 |  |  |  | 2,086,925 |  |  |  | (503,416) |  |  |  | 3,778 |  |  |  | 1,603,006 |  |  |  | 5,155 |  |  |  | 1,608,161 |  |  |
Net earnings | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 122,738 |  |  |  | 0 |  |  |  | 122,738 |  |  |  | 793 |  |  |  | 123,531 |  |  |
Other comprehensive income (loss) | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | (14,000) |  |  |  | (14,000) |  |  |  | 0 |  |  |  | (14,000) |  |  |
Share repurchase | (1,395) |  |  |  | 0 |  |  |  | (148,605) |  |  |  | 0 |  |  |  | 0 |  |  |  | (150,000) |  |  |  | 0 |  |  |  | (150,000) |  |  |
Issuance of convertible debentures |  |  |  | 0 |  |  |  | 0 |  |  |  | 57,874 |  |  |  | 0 |  |  |  | 0 |  |  |  | 57,874 |  |  |  | 0 |  |  |  | 57,874
Distributions to noncontrolling interests | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | (1,040) |  |  |  | (1,040) |  |  |
Phantom and restricted stock issuances | 1 |  |  |  | 0 |  |  |  | (9) |  |  |  | 0 |  |  |  | 0 |  |  |  | (8) |  |  |  | 0 |  |  |  | (8) |  |  |
Stock options exercised | 2 |  |  |  | 0 |  |  |  | 172 |  |  |  | 0 |  |  |  | 0 |  |  |  | 174 |  |  |  | 0 |  |  |  | 174 |  |  |
Stock compensation expense | 0 |  |  |  | 0 |  |  |  | 3,544 |  |  |  | 0 |  |  |  | 0 |  |  |  | 3,544 |  |  |  | 0 |  |  |  | 3,544 |  |  |
Conversions from Class B to common stock | 132 |  |  |  | (132) |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |
Balance at Dec. 31, 2012 | $ 13,114 |  |  |  | $ 1,213 |  |  |  | $ 1,999,901 |  |  |  | $ (380,678) |  |  |  | $ (10,222) |  |  |  | $ 1,623,328 |  |  |  | $ 4,908 |  |  |  | $ 1,628,236 |  |  |

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- Definition Tax benefit associated with any equity-based compensation plan other than an employee stock ownership plan (ESOP). The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. Includes any resulting tax benefit that exceeds the previously recognized deferred tax asset (excess tax benefits). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 62 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 740 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6419406&loc=d3e23524-113945 + Details
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