CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Total Diodes Incorporated Stockholders' Equity	Noncontrolling Interest
BALANCE at Dec. 31, 2018	$ 977,432	$ 34,454	$ (37,768)	$ 399,915	$ 636,708	$ (101,846)	$ 931,463	$ 45,969
Common stock shares beginning at Dec. 31, 2018		51,678,000	(1,457,000)
Total comprehensive income	147,822				153,250	(6,293)	146,957	865
Net changes in noncontrolling interests	(475)							(475)
Common stock issued for share-based plans	11,901	$ 657		11,244			11,901
Common stock issued for share-based plans, shares		986,000
Share-based compensation	20,535			20,535			20,535
Tax related to net share settlement	(4,432)			(4,432)			(4,432)
BALANCE at Dec. 31, 2019	1,152,783	$ 35,111	$ (37,768)	427,262	789,958	(108,139)	1,106,424	46,359
Common stock shares ending at Dec. 31, 2019		52,664,000	(1,457,000)
Total comprehensive income	133,762				98,088	34,533	132,621	1,141
Net changes in noncontrolling interests	3,578			(1,225)			(1,225)	4,803
Common stock issued for share-based plans	6,830	$ 581		6,249			6,830
Common stock issued for share-based plans, shares		872,000
Share-based compensation	24,177			24,177
Deferred compensation plan			$ (1,437)	1,437
Deferred compensation plan, shares			(37,000)
Tax related to net share settlement	(8,302)			(8,302)			(8,302)
Stock buyback	(296,705)		$ (296,705)				(296,705)
Stock buyback, shares			(7,766,000)
BALANCE at Dec. 31, 2020	$ 1,016,123	$ 35,692	$ (335,910)	449,598	888,046	(73,606)	963,820	52,303
Common stock shares ending at Dec. 31, 2020	44,276,194	53,536,000	(9,260,000)
Total comprehensive income	$ 259,377				228,763	23,089	251,852	7,525
Net changes in noncontrolling interests	5,629			(25)			(25)	5,654
Common stock issued for share-based plans	4,337	$ 503		3,834			4,337
Common stock issued for share-based plans, shares		754,000
Share-based compensation	32,081			32,081			32,081
Deferred compensation plan			$ (984)	984
Deferred compensation plan, shares			(13,000)
Tax related to net share settlement	(14,823)			(14,823)			(14,823)
BALANCE at Dec. 31, 2021	$ 1,302,724	$ 36,195	$ (336,894)	$ 471,649	$ 1,116,809	$ (50,517)	$ 1,237,242	$ 65,482
Common stock shares ending at Dec. 31, 2021	45,017,774	54,290,000	(9,273,000)