Segment and Geographic Data (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) Segment	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of reporting segments | Segment	6
Net revenues	$ 2,937,587	$ 3,402,045	$ 3,497,401
Cost of products sold (excluding depreciation)	2,125,895	2,265,815	2,293,319
Depreciation expense in cost of products sold	185,400	161,737	145,093
Total cost of products sold	2,311,295	2,427,552	2,438,412
Gross profit	626,292	974,493	1,058,989
Operating Costs and Expenses	198,421	168,181	141,558
Segment Operating Income	427,871	806,312	917,431
Depreciation expense	198,961	174,457	155,864
Capital expenditures	320,079	329,410	325,308
Total Assets	4,110,696	4,239,923	3,865,653
Distributors [Member]
Segment Reporting Information [Line Items]
Net revenues	1,578,172	1,798,291	2,019,842
OEMs [Member]
Segment Reporting Information [Line Items]
Net revenues	1,156,852	1,378,065	1,229,114
EMS Companies [Member]
Segment Reporting Information [Line Items]
Net revenues	202,563	225,689	248,445
Industrial [Member]
Segment Reporting Information [Line Items]
Net revenues	992,192	1,216,078	1,377,043
Automotive [Member]
Segment Reporting Information [Line Items]
Net revenues	1,097,713	1,202,923	1,067,499
Military and Aerospace [Member]
Segment Reporting Information [Line Items]
Net revenues	325,318	271,871	215,078
Medical [Member]
Segment Reporting Information [Line Items]
Net revenues	147,845	152,611	133,808
Other [Member]
Segment Reporting Information [Line Items]
Net revenues	374,519	558,562	703,973
Asia [Member]
Segment Reporting Information [Line Items]
Net revenues	1,134,318	1,264,779	1,348,804
Asia [Member] | Customers [Member]
Segment Reporting Information [Line Items]
Net revenues	1,149,138	1,255,563	1,347,893
Europe [Member] | Customers [Member]
Segment Reporting Information [Line Items]
Net revenues	1,029,901	1,255,652	1,146,898
Americas [Member] | Customers [Member]
Segment Reporting Information [Line Items]
Net revenues	758,548	890,830	1,002,610
MOSFETs [Member]
Segment Reporting Information [Line Items]
Net revenues	601,979	778,754	762,260
Cost of products sold (excluding depreciation)	465,536	485,086	458,283
Depreciation expense in cost of products sold	49,342	34,282	29,479
Total cost of products sold	514,878	519,368	487,762
Gross profit	87,101	259,386	274,498
Operating Costs and Expenses	80,243	63,593	45,806
Segment Operating Income	6,858	195,793	228,692
Depreciation expense	51,301	35,965	30,551
Capital expenditures	224,998	132,543	90,297
Total Assets	1,033,555	702,299	672,048
Diodes [Member]
Segment Reporting Information [Line Items]
Net revenues	581,975	690,540	765,220
Cost of products sold (excluding depreciation)	414,893	471,088	528,278
Depreciation expense in cost of products sold	45,920	43,831	38,837
Total cost of products sold	460,813	514,919	567,115
Gross profit	121,162	175,621	198,105
Operating Costs and Expenses	25,281	22,159	21,683
Segment Operating Income	95,881	153,462	176,422
Depreciation expense	47,099	44,904	40,014
Capital expenditures	29,534	62,185	69,126
Total Assets	724,603	852,703	814,017
Optoelectronic Components [Member]
Segment Reporting Information [Line Items]
Net revenues	212,368	243,146	296,384
Cost of products sold (excluding depreciation)	158,742	164,791	179,848
Depreciation expense in cost of products sold	15,374	16,129	13,749
Total cost of products sold	174,116	180,920	193,597
Gross profit	38,252	62,226	102,787
Operating Costs and Expenses	21,393	19,263	17,331
Segment Operating Income	16,859	42,963	85,456
Depreciation expense	15,784	16,496	14,065
Capital expenditures	10,451	23,228	27,776
Total Assets	346,866	352,984	385,388
Resistors [Member]
Segment Reporting Information [Line Items]
Net revenues	725,614	843,472	832,806
Cost of products sold (excluding depreciation)	524,808	566,640	536,514
Depreciation expense in cost of products sold	41,848	38,404	34,220
Total cost of products sold	566,656	605,044	570,734
Gross profit	158,958	238,428	262,072
Operating Costs and Expenses	33,217	29,003	26,813
Segment Operating Income	125,741	209,425	235,259
Depreciation expense	42,568	39,781	34,903
Capital expenditures	30,301	67,085	76,702
Total Assets	958,985	946,585	861,870
Inductors [Member]
Segment Reporting Information [Line Items]
Net revenues	356,355	347,392	331,086
Cost of products sold (excluding depreciation)	231,456	220,090	211,969
Depreciation expense in cost of products sold	17,819	14,888	14,768
Total cost of products sold	249,275	234,978	226,737
Gross profit	107,080	112,414	104,349
Operating Costs and Expenses	14,818	12,730	10,896
Segment Operating Income	92,262	99,684	93,453
Depreciation expense	17,940	14,963	14,927
Capital expenditures	6,339	10,767	35,102
Total Assets	342,286	365,111	322,893
Capacitors [Member]
Segment Reporting Information [Line Items]
Net revenues	459,296	498,741	509,645
Cost of products sold (excluding depreciation)	330,460	358,120	371,766
Depreciation expense in cost of products sold	15,097	14,203	14,040
Total cost of products sold	345,557	372,323	385,806
Gross profit	113,739	126,418	123,839
Operating Costs and Expenses	23,469	21,433	19,029
Segment Operating Income	90,270	104,985	104,810
Depreciation expense	15,293	14,269	14,286
Capital expenditures	13,609	21,914	15,214
Total Assets	430,871	459,653	496,924
Corporate / Other [Member]
Segment Reporting Information [Line Items]
Net revenues	0	0	0
Cost of products sold (excluding depreciation)	0	0	6,661
Depreciation expense in cost of products sold	0	0	0
Total cost of products sold	0	0	6,661
Gross profit	0	0	(6,661)
Operating Costs and Expenses	0	0	0
Segment Operating Income	0	0	(6,661)
Depreciation expense	8,976	8,079	7,118
Capital expenditures	4,847	11,688	11,091
Total Assets	$ 273,530	$ 560,588	$ 312,513