Acquisitions and Divestitures - Additional Information (Details)			1 Months Ended		11 Months Ended	12 Months Ended
	Nov. 30, 2020 USD ($) shares	Feb. 05, 2020 USD ($) Tranche	Jul. 31, 2021 USD ($) shares	Mar. 31, 2021 USD ($)	Nov. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Oct. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Aug. 31, 2021 USD ($)	Nov. 30, 2020 $ / shares	Mar. 04, 2020 USD ($)
Business Acquisition [Line Items]
Business acquisition percentage of increases in investment				10.00%
Net sales						$ 1,805,162,000	$ 1,229,215,000	$ 1,249,130,000
Net income (loss) attributable to common stockholders						228,763,000	98,088,000	153,250,000
Additional interest expense included in unaudited proforma consolidated results						7,491,000	11,662,000	7,893,000
Reduction income tax expense benefit included in unaudited proforma consolidated results						78,807,000	$ 21,112,000	$ 44,131,000
Fabless Wafer Design Company
Business Acquisition [Line Items]
Payments for convertible promissory note			$ 5,000,000.0
Investments						$ 10,000,000.0
Interest rate			3.00%
Promissory note convertible into additional preferred stock due period			2026-07
Lite On Semiconductor
Business Acquisition [Line Items]
Acquisition date	Nov. 30, 2020
Business acquisition shares repurchased | shares	7,765,778
Business acquisition shares repurchased percentage	15.00%
Business combination separately recognized transactions, gain or loss on settlement of accounts payables	$ 0
Business combination separately recognized transactions, gain or loss on settlement of accounts receivables	$ 0
Percentage of shares acquired by subsidiary in acquiree	100.00%
Business acquisition, share price | $ / shares												$ 42.50
Business acquisition, shares acquired | shares	307,371,139
Purchase price	$ 453,400,000
Total consideration after adjustments for the settlement of pre-existing relationship	154,000,000.0
Derecognition of dividend payable accrual due to measurement period adjustments					$ 12,800,000
Reduction in social insurance and information technology liability due to measurement period adjustments					1,500,000
Recognition of additional income tax payable related to reacquired shares due to measurement period adjustments					10,735,000
Adjustments to inventory fair value due to measurement period adjustments					(714,000)
Adjustments to property, plant, and equipment fair value due to measurement period adjustments					$ 4,808,000
Intangible assets	0
Business acquisition, proforma information, description							The unaudited pro forma consolidated results of operations do not purport to be indicative of the results that would have been obtained if the above acquisition had actually occurred as of the dates indicated or of those results that may be obtained in the future. The unaudited proforma consolidated results for the twelve months ended December 31, 2020, include adjustments that result in a reduction to amortization and depreciation of $5.5 million, removal of sales to Diodes on the books of LSC and related cost of goods sold of $12.4 million and $7.9 million, respectively, removal of LSC’s share of Diodes’ profits as a 15% shareholder of $13.1 million, removal of $2.4 million of transaction costs, additional interest expense of $6.0 million, removal of impairment charges of $6.3 million, removal of operations of On-Bright, and a tax impact of those adjustments of a reduction to tax expense of $18.6 million.	The unaudited pro forma consolidated results for the twelve months ended December 31, 2019, include adjustments that result in a reduction to amortization and depreciation of $8.8 million, removal of sales to Diodes on the books of LSC and related COGS of $13.7 million and $9.0 million, respectively, removal of LSC’s share of Diodes’ profits as a 15% shareholder of $23.4 million, removal of $1.0 million of transaction costs, additional interest expense of $11.1 million, removal of impairment charges of $0.3 million, removal of the operation of On-Bright, and a tax impact of those adjustments of a reduction to tax expense of $10.7 million. These unaudited pro forma consolidated results of operations were derived, in part, from the historical consolidated financial statements of LSC and other available information and assumptions believed to be reasonable under the circumstances. LSC has been conformed to Diodes’ reporting calendar.
Adjustments in reduction to amortization included in unaudited proforma consolidated results							$ 5,500,000	$ 8,800,000
Adjustments in removal of sales included in unaudited proforma consolidated results							12,400,000	13,700,000
Adjustments in cost of goods sold included in unaudited proforma consolidated results							$ 7,900,000	$ 9,000,000.0
Adjustments in sales removal profit percentage included in unaudited proforma consolidated results							15.00%	15.00%
Adjustments in sales removal profit amount included in unaudited proforma consolidated results							$ 13,100,000	$ 23,400,000
Adjustments in removal of transaction costs included in unaudited proforma consolidated results							2,400,000	1,000,000.0
Adjustments in removal of impairment charges included in unaudited proforma consolidated results							6,300,000	300,000
Additional interest expense included in unaudited proforma consolidated results							6,000,000.0	11,100,000
Reduction income tax expense benefit included in unaudited proforma consolidated results							$ 18,600,000	$ 10,700,000
Total consideration paid	$ 453,400,000
Savitech Corporation (“Savitech”)
Business Acquisition [Line Items]
Business acquisition, date of acquisition agreement		Feb. 05, 2020
Agreement amount to be invested		$ 14,200,000
Ownership percentage													33.60%
Number of tranche investment | Tranche		2
Total consideration paid		$ 14,200,000
Savitech Corporation (“Savitech”) | Minimum
Business Acquisition [Line Items]
Ownership percentage		51.00%								53.00%
Savitech Corporation (“Savitech”) | Tranche One
Business Acquisition [Line Items]
Investment amount													$ 5,600,000
Savitech Corporation (“Savitech”) | Tranche Two
Business Acquisition [Line Items]
Investment amount										$ 8,500,000
Savitech Corporation (“Savitech”) | Selling, General and Administrative
Business Acquisition [Line Items]
Acquisition costs		$ 100,000
Assets Held-for-Sale
Business Acquisition [Line Items]
Total consideration paid				$ 41,500,000
Cash consideration				8,936,000
Cash consideration				15,200,000
Working capital adjustments				23,300,000
Equity value				3,100
Discontinued operation description and timing of disposal						The transaction closed in December 2021.
Assets Held-for-Sale | Other Income
Business Acquisition [Line Items]
Gain or loss on reclassification of disposal group to held-for-sale				$ 9,500,000
Preferred Stock | Fabless Wafer Design Company
Business Acquisition [Line Items]
Business acquisition, shares acquired | shares			10,000,000.0
Joint Venture Agreement
Business Acquisition [Line Items]
Investment in joint venture									$ 5,400,000		$ 5,400,000
Equity Method Investment, Ownership Percentage											60.00%