Consolidated Condensed Statements of Equity - USD ($) $ in Thousands	Capital In Excess of Par Value [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total Vishay Stockholders' Equity [Member]	Noncontrolling Interests [Member]	Total	Common Stock [Member] Common Stock [Member]	Class B Convertible Common Stock [Member] Common Stock [Member]
Balance at period start at Dec. 31, 2022	$ 1,352,321	$ 773,228	$ (82,972)	$ (10,827)	$ 2,046,251	$ 3,899	$ 2,050,150	$ 13,291	$ 1,210
Net earnings (loss)	0	111,781	0	0	111,781	408	112,189	0	0
Other comprehensive income (loss)	0	0	0	19,859	19,859	0	19,859	0	0
Issuance of stock and related tax withholdings for vested restricted stock units	(3,678)	0	0	0	(3,653)	0	(3,653)	25	0
Dividends declared	14	(14,034)	0	0	(14,020)	0	(14,020)	0	0
Stock compensation expense	2,965	0	0	0	2,965	0	2,965	0	0
Repurchase of common stock held in treasury	0	0	(20,173)	0	(20,173)	0	(20,173)	0	0
Balance at period end at Apr. 01, 2023	1,351,622	870,975	(103,145)	9,032	2,143,010	4,307	2,147,317	13,316	1,210
Balance at period start at Dec. 31, 2022	1,352,321	773,228	(82,972)	(10,827)	2,046,251	3,899	2,050,150	13,291	1,210
Net earnings (loss)							273,559
Other comprehensive income (loss)							(15,056)
Repurchase of common stock held in treasury							(57,661)
Balance at period end at Sep. 30, 2023	1,286,568	1,003,700	(140,633)	(25,883)	2,138,280	4,243	2,142,523	13,318	1,210
Balance at period start at Apr. 01, 2023	1,351,622	870,975	(103,145)	9,032	2,143,010	4,307	2,147,317	13,316	1,210
Net earnings (loss)	0	95,038	0	0	95,038	377	95,415	0	0
Other comprehensive income (loss)	0	0	0	3,623	3,623	0	3,623	0	0
Distributions to noncontrolling interests	0	0	0	0	0	(867)	(867)	0	0
Dividends declared	14	(13,951)	0	0	(13,937)	0	(13,937)	0	0
Stock compensation expense	3,117	0	0	0	3,117	0	3,117	0	0
Repurchase of common stock held in treasury	0	0	(20,226)	0	(20,226)	0	(20,226)	0	0
Balance at period end at Jul. 01, 2023	1,354,753	952,062	(123,371)	12,655	2,210,625	3,817	2,214,442	13,316	1,210
Net earnings (loss)	0	65,529	0	0	65,529	426	65,955	0	0
Other comprehensive income (loss)	0	0	0	(38,538)	(38,538)	0	(38,538)	0	0
Issuance of stock and related tax withholdings for vested restricted stock units	(343)	0	0	0	(341)	0	(341)	2	0
Dividends declared	12	(13,891)	0	0	(13,879)	0	(13,879)	0	0
Stock compensation expense	5,528	0	0	0	5,528	0	5,528	0	0
Repurchase of common stock held in treasury	0	0	(17,262)	0	(17,262)	0	(17,262)	0	0
Capped call transactions, net of tax	(73,382)	0	0	0	(73,382)	0	(73,382)	0	0
Balance at period end at Sep. 30, 2023	1,286,568	1,003,700	(140,633)	(25,883)	2,138,280	4,243	2,142,523	13,318	1,210
Balance at period start at Dec. 31, 2023	1,291,499	1,041,372	(161,656)	10,337	2,196,081	4,725	2,200,806	13,319	1,210
Net earnings (loss)	0	30,924	0	0	30,924	519	31,443	0	0
Other comprehensive income (loss)	0	0	0	(20,022)	(20,022)	0	(20,022)	0	0
Issuance of stock and related tax withholdings for vested restricted stock units	(4,091)	0	0	0	(4,053)	0	(4,053)	38	0
Dividends declared	13	(13,765)	0	0	(13,752)	0	(13,752)	0	0
Stock compensation expense	5,344	0	0	0	5,344	0	5,344	0	0
Repurchase of common stock held in treasury	0	0	(12,538)	0	(12,538)	0	(12,538)	0	0
Balance at period end at Mar. 30, 2024	1,292,765	1,058,531	(174,194)	(9,685)	2,181,984	5,244	2,187,228	13,357	1,210
Balance at period start at Dec. 31, 2023	1,291,499	1,041,372	(161,656)	10,337	2,196,081	4,725	2,200,806	13,319	1,210
Net earnings (loss)							36,330
Other comprehensive income (loss)							4,471
Repurchase of common stock held in treasury							(37,784)
Balance at period end at Sep. 28, 2024	1,302,335	1,035,395	(199,440)	14,808	2,167,666	5,897	2,173,563	13,358	1,210
Balance at period start at Mar. 30, 2024	1,292,765	1,058,531	(174,194)	(9,685)	2,181,984	5,244	2,187,228	13,357	1,210
Net earnings (loss)	0	23,533	0	0	23,533	347	23,880	0	0
Other comprehensive income (loss)	0	0	0	(7,284)	(7,284)	0	(7,284)	0	0
Issuance of stock and related tax withholdings for vested restricted stock units	(6)	0	0	0	(5)	0	(5)	1	0
Dividends declared	13	(13,713)	0	0	(13,700)	0	(13,700)	0	0
Stock compensation expense	3,949	0	0	0	3,949	0	3,949	0	0
Repurchase of common stock held in treasury	0	0	(12,622)	0	(12,622)	0	(12,622)	0	0
Balance at period end at Jun. 29, 2024	1,296,721	1,068,351	(186,816)	(16,969)	2,175,855	5,591	2,181,446	13,358	1,210
Net earnings (loss)	0	(19,299)	0	0	(19,299)	306	(18,993)	0	0
Other comprehensive income (loss)	0	0	0	31,777	31,777	0	31,777	0	0
Issuance of stock and related tax withholdings for vested restricted stock units	(34)	0	0	0	(34)	0	(34)	0	0
Dividends declared	13	(13,657)	0	0	(13,644)	0	(13,644)	0	0
Stock compensation expense	5,635	0	0	0	5,635	0	5,635	0	0
Repurchase of common stock held in treasury	0	0	(12,624)	0	(12,624)	0	(12,624)	0	0
Balance at period end at Sep. 28, 2024	$ 1,302,335	$ 1,035,395	$ (199,440)	$ 14,808	$ 2,167,666	$ 5,897	$ 2,173,563	$ 13,358	$ 1,210