CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive gain (loss)	Total Diodes Incorporated Stockholders' equity	Noncontrolling interest
BALANCE at Dec. 31, 2009	$ 450,924	$ 29,153	$ 211,618	$ 248,174	$ (48,311)	$ 440,634	$ 10,290
Common stock shares beginning at Dec. 31, 2009		43,729,000
Comprehensive income, net of tax:
Net income	80,264			76,733		76,733	3,531
Translation adjustment	(1,519)				(1,519)	(1,519)
Unrealized gain (loss) on defined benefit plan	4,750				4,750	4,750
Total comprehensive income	83,495					79,964	3,531
Dividend to noncontrolling interest	(2,373)						(2,373)
Common stock issued for share-based plans	4,779	622	4,157			4,779
Stock issued during period shares share based compensation		934,000
Excess tax benefit from share-based compensation	3,073		3,073			3,073
Convertible senior notes	(57)		(57)			(57)
Share-based compensation	13,051		13,051			13,051
BALANCE at Dec. 31, 2010	552,892	29,775	231,842	324,907	(45,080)	541,444	11,448
Common stock shares ending at Dec. 31, 2010		44,663,000
Comprehensive income, net of tax:
Net income	53,507			50,737		50,737	2,770
Translation adjustment	(690)				(690)	(690)
Unrealized gain (loss) on defined benefit plan	10,008				10,008	10,008
Total comprehensive income	62,825					60,055	2,770
Dividend to noncontrolling interest	737						737
Common stock issued for share-based plans	3,534	648	2,886			3,534
Stock issued during period shares share based compensation		769,000
Excess tax benefit from share-based compensation	15,024		15,024			15,024
Share-based compensation	13,703		13,703			13,703
BALANCE at Dec. 31, 2011	648,715	30,423	263,455	375,644	(35,762)	633,760	14,955
Common stock shares ending at Dec. 31, 2011	45,432,252	45,432,000
Comprehensive income, net of tax:
Net income	25,982			24,152		24,152	1,830
Translation adjustment	7,317				7,317	7,317
Unrealized gain (loss) on defined benefit plan	(5,411)				(5,411)	(5,411)
Total comprehensive income	27,888					26,058	1,830
Acquisition of noncontrolling interest	26,470						26,470
Common stock issued for share-based plans	1,325	251	1,074			1,325
Stock issued during period shares share based compensation		579,000
Excess tax benefit from share-based compensation	1,644		1,644			1,644
Share-based compensation	14,398		14,398			14,398
BALANCE at Dec. 31, 2012	$ 720,440	$ 30,674	$ 280,571	$ 399,796	$ (33,856)	$ 677,185	$ 43,255
Common stock shares ending at Dec. 31, 2012	46,010,815	46,011,000