CONDENSED 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, 2020	$ 1,016,123	$ 35,692	$ (335,910)	$ 449,598	$ 888,046	$ (73,606)	$ 963,820	$ 52,303
Common stock shares beginning at Dec. 31, 2020		53,536	(9,260)
Total comprehensive income (loss)	116,944				94,826	17,765	112,591	4,353
Net changes in noncontrolling interests	3,735			(22)			(22)	3,757
Common stock issued for share-based plans	2,103	$ 306		1,797			2,103
Common stock issued for share-based plans, shares		458
Share-based compensation	14,138			14,138			14,138
Deferred compensation plan			$ (218)	218
Deferred compensation plan, shares			(3)
Tax related to net share settlement	(10,046)			(10,046)			(10,046)
BALANCE at Jun. 30, 2021	1,142,997	$ 35,998	$ (336,128)	455,683	982,872	(55,841)	1,082,584	60,413
Common stock shares ending at Jun. 30, 2021		53,994	(9,263)
BALANCE at Mar. 31, 2021	1,056,980	$ 35,908	$ (335,910)	446,697	927,498	(71,624)	1,002,569	54,411
Common stock shares beginning at Mar. 31, 2021		53,860	(9,260)
Total comprehensive income (loss)	74,409				55,374	15,783	71,157	3,252
Net changes in noncontrolling interests	2,732			(18)			(18)	2,750
Common stock issued for share-based plans	1,349	$ 90		1,259			1,349
Common stock issued for share-based plans, shares		134
Share-based compensation	8,280			8,280			8,280
Deferred compensation plan			$ (218)	218
Tax related to net share settlement	(753)			(753)			(753)
BALANCE at Jun. 30, 2021	1,142,997	$ 35,998	$ (336,128)	455,683	982,872	(55,841)	1,082,584	60,413
Common stock shares ending at Jun. 30, 2021		53,994	(9,263)
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 beginning at Dec. 31, 2021	45,017,774	54,290	(9,273)
Total comprehensive income (loss)	$ 113,466				152,846	(43,457)	109,389	4,077
Net changes in noncontrolling interests	(6,433)			(1,014)			(1,014)	(5,419)
Common stock issued for share-based plans	140	$ 181		(41)			140
Common stock issued for share-based plans, shares		272
Share-based compensation	16,426			16,426			16,426
Deferred compensation plan			$ (218)	218
Tax related to net share settlement	(8,864)			(8,864)			(8,864)
BALANCE at Jun. 30, 2022	$ 1,417,459	$ 36,376	$ (337,112)	478,374	1,269,655	(93,974)	1,353,319	64,140
Common stock shares ending at Jun. 30, 2022	45,288,669	54,562	(9,273)
BALANCE at Mar. 31, 2022	$ 1,360,019	$ 36,338	$ (336,894)	470,363	1,189,500	(61,804)	1,297,503	62,516
Common stock shares beginning at Mar. 31, 2022		54,504	(9,273)
Total comprehensive income (loss)	50,580				80,155	(32,170)	47,985	2,595
Net changes in noncontrolling interests	(971)							(971)
Common stock issued for share-based plans	56	$ 38		18			56
Common stock issued for share-based plans, shares		58
Share-based compensation	8,607			8,607			8,607
Deferred compensation plan			$ (218)	218
Tax related to net share settlement	(832)			(832)			(832)
BALANCE at Jun. 30, 2022	$ 1,417,459	$ 36,376	$ (337,112)	$ 478,374	$ 1,269,655	$ (93,974)	$ 1,353,319	$ 64,140
Common stock shares ending at Jun. 30, 2022	45,288,669	54,562	(9,273)