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)	185,304				163,250	15,325	178,575	6,729
Net changes in noncontrolling interests	1,996			(22)			(22)	2,018
Common stock issued for share-based plans	4,337	$ 502		3,835			4,337
Common stock issued for share-based plans, shares		753
Share-based compensation	24,103			24,103			24,103
Deferred compensation plan			$ (984)	984
Deferred compensation plan, shares			(13)
Tax related to net share settlement	(14,750)			(14,750)			(14,750)
BALANCE at Sep. 30, 2021	1,217,113	$ 36,194	$ (336,894)	463,748	1,051,296	(58,281)	1,156,063	61,050
Common stock shares ending at Sep. 30, 2021		54,289	(9,273)
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 beginning at Jun. 30, 2021		53,994	(9,263)
Total comprehensive income (loss)	68,360				68,424	(2,440)	65,984	2,376
Net changes in noncontrolling interests	(1,739)							(1,739)
Common stock issued for share-based plans	2,234	$ 196		2,038			2,234
Common stock issued for share-based plans, shares		295
Share-based compensation	9,965			9,965			9,965
Deferred compensation plan			$ (766)	766
Deferred compensation plan, shares			(10)
Tax related to net share settlement	(4,704)			(4,704)			(4,704)
BALANCE at Sep. 30, 2021	1,217,113	$ 36,194	$ (336,894)	463,748	1,051,296	(58,281)	1,156,063	61,050
Common stock shares ending at Sep. 30, 2021		54,289	(9,273)
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)	$ 151,934				239,232	(93,963)	145,269	6,665
Net changes in noncontrolling interests	(6,379)			(1,014)			(1,014)	(5,365)
Common stock issued for share-based plans	139	$ 306		(167)			139
Common stock issued for share-based plans, shares		460
Share-based compensation	26,566			26,566			26,566
Deferred compensation plan			$ (596)	596
Deferred compensation plan, shares			(9)
Tax related to net share settlement	(12,280)			(12,280)			(12,280)
BALANCE at Sep. 30, 2022	$ 1,462,704	$ 36,501	$ (337,490)	485,350	1,356,041	(144,480)	1,395,922	66,782
Common stock shares ending at Sep. 30, 2022	45,468,133	54,750	(9,282)
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 beginning at Jun. 30, 2022		54,562	(9,273)
Total comprehensive income (loss)	38,468				86,386	(50,506)	35,880	2,588
Net changes in noncontrolling interests	(54)							(54)
Common stock issued for share-based plans	1	$ 125		126			1
Common stock issued for share-based plans, shares		188
Share-based compensation	10,140			10,140			10,140
Deferred compensation plan			$ (378)	378
Deferred compensation plan, shares			(9)
Tax related to net share settlement	(3,416)			(3,416)			(3,416)
BALANCE at Sep. 30, 2022	$ 1,462,704	$ 36,501	$ (337,490)	$ 485,350	$ 1,356,041	$ (144,480)	$ 1,395,922	$ 66,782
Common stock shares ending at Sep. 30, 2022	45,468,133	54,750	(9,282)