Net Income Per Share Attributable to Cooper-Standard Holdings Inc. (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Basic net income per share attributable
Net income attributable to Cooper-Standard Holdings Inc.	$ 11,624	$ 15,658	$ 112,727	$ 79,615
Less: Preferred stock dividends (paid or unpaid)	(1,699)	(1,835)	(5,087)	(5,519)
Less: Premium paid for redemption of preferred stock			(974)
Less: Undistributed earnings allocated to participating securities	(1,888)	(2,743)	(20,078)	(14,781)
Net income available to Cooper-Standard Holdings Inc. common stockholders	$ 8,037	$ 11,080	$ 86,588	$ 59,315
Average shares of common stock outstanding	17,454,226	17,693,458	17,578,580	17,580,474
Basic net income per share attributable to Cooper-Standard Holdings Inc.	$ 0.46	$ 0.63	$ 4.93	$ 3.37