Segment and Geographic Data (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) Segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of reporting segments | Segment	6
Net revenues	$ 3,240,487	$ 2,501,898	$ 2,668,305
Gross profit	887,913	581,903	671,200
Segment Operating Income	750,621	455,942	543,696
Depreciation expense	159,247	158,117	155,985
Capital expenditures	218,372	123,599	156,641
Total Assets	3,543,257	3,154,473	3,120,775
Distributors [Member]
Segment Reporting Information [Line Items]
Net revenues	1,902,499	1,328,953	1,393,412
OEMs [Member]
Segment Reporting Information [Line Items]
Net revenues	1,138,569	1,003,090	1,082,701
EMS companies [Member]
Segment Reporting Information [Line Items]
Net revenues	199,419	169,855	192,192
Industrial [Member]
Segment Reporting Information [Line Items]
Net revenues	1,269,150	864,032	946,118
Automotive [Member]
Segment Reporting Information [Line Items]
Net revenues	994,039	796,853	830,876
Telecommunications [Member]
Segment Reporting Information [Line Items]
Net revenues	100,651	109,001	170,088
Computing [Member]
Segment Reporting Information [Line Items]
Net revenues	245,463	204,166	182,781
Consumer Products [Member]
Segment Reporting Information [Line Items]
Net revenues	165,384	118,896	107,983
Power Supplies [Member]
Segment Reporting Information [Line Items]
Net revenues	165,190	116,966	119,361
Military and Aerospace [Member]
Segment Reporting Information [Line Items]
Net revenues	170,484	162,484	179,228
Medical [Member]
Segment Reporting Information [Line Items]
Net revenues	130,126	129,500	131,870
Customers [Member]
Segment Reporting Information [Line Items]
Net revenues	3,240,487	2,501,898	2,668,305
Asia [Member]
Segment Reporting Information [Line Items]
Net revenues	1,357,583	1,017,160	939,551
Asia [Member] | Customers [Member]
Segment Reporting Information [Line Items]
Net revenues	1,392,267	1,028,073	965,030
Europe [Member] | Customers [Member]
Segment Reporting Information [Line Items]
Net revenues	1,072,025	854,847	993,101
Americas [Member] | Customers [Member]
Segment Reporting Information [Line Items]
Net revenues	776,195	618,978	710,174
MOSFETS [Member]
Segment Reporting Information [Line Items]
Net revenues	667,998	501,380	509,145
Gross profit	189,959	114,236	126,026
Segment Operating Income	148,652	76,548	88,994
Depreciation expense	30,257	30,835	32,614
Capital expenditures	44,227	18,621	35,131
Total Assets	503,937	447,867	404,412
Diodes [Member]
Segment Reporting Information [Line Items]
Net revenues	709,416	502,548	557,143
Gross profit	168,365	90,004	113,647
Segment Operating Income	145,814	69,663	94,130
Depreciation expense	40,406	39,380	38,930
Capital expenditures	45,772	31,960	38,242
Total Assets	815,751	704,606	755,945
Optoelectronic Components [Member]
Segment Reporting Information [Line Items]
Net revenues	302,714	236,616	222,986
Gross profit	100,737	66,502	53,463
Segment Operating Income	82,378	50,369	37,145
Depreciation expense	14,585	16,003	16,803
Capital expenditures	25,068	12,873	12,448
Total Assets	377,815	341,517	328,871
Resistors [Member]
Segment Reporting Information [Line Items]
Net revenues	752,554	606,183	657,192
Gross profit	215,853	153,214	186,707
Segment Operating Income	190,953	130,700	162,969
Depreciation expense	34,344	32,531	28,909
Capital expenditures	57,729	21,298	34,395
Total Assets	783,390	693,251	653,195
Inductors [Member]
Segment Reporting Information [Line Items]
Net revenues	335,638	293,629	298,642
Gross profit	107,358	92,500	96,893
Segment Operating Income	97,482	82,472	86,395
Depreciation expense	14,448	13,821	13,316
Capital expenditures	24,377	20,730	17,836
Total Assets	355,353	330,092	334,791
Capacitors [Member]
Segment Reporting Information [Line Items]
Net revenues	472,167	361,542	423,197
Gross profit	105,641	70,010	94,464
Segment Operating Income	85,342	50,753	74,063
Depreciation expense	17,129	17,349	17,253
Capital expenditures	13,099	11,198	9,916
Total Assets	496,129	438,906	449,823
Corporate / Other [Member]
Segment Reporting Information [Line Items]
Net revenues	0	0	0
Gross profit	0	(4,563)	0
Segment Operating Income	0	(4,563)	0
Depreciation expense	8,078	8,198	8,160
Capital expenditures	8,100	6,919	8,673
Total Assets	$ 210,882	$ 198,234	$ 193,738