Net Income Per Share Attributable to Cooper-Standard Holdings Inc. (Details 1) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Diluted net income per share attributable
Net income available to Cooper-Standard Holdings Inc. common stockholders	$ 15,300	$ 17,186
Weighted average common shares outstanding	16,621,120	17,705,918
Dilutive effect of:
Common restricted Stock	252,817	336,363
Preferred restricted Stock	32,315	66,947
Warrants	693,043	825,988
Options	112,083	151,584
Weighted average dilutive shares of common stock outstanding	17,711,378	19,086,800
Diluted net income per share attributable to Cooper-Standard Holdings Inc.	$ 0.86	$ 0.90