Net Income Per Share Attributable to Cooper-Standard Holdings Inc. - Basic and Diluted Net Income Per Share Attributable (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Earnings Per Share [Abstract]
Net income attributable to Cooper-Standard Holdings Inc.	$ 19,735	$ 20,701
Less: 7% Preferred stock dividends (paid or unpaid)	0	(1,677)
Less: Undistributed earnings allocated to participating securities	0	(3,724)
Net income available to Cooper-Standard Holdings Inc. common stockholders	$ 19,735	$ 15,300
Basic weighted average shares of common stock outstanding	16,656,600	16,621,120
Dilutive effect of:
Restricted common stock	151,772	252,817
Restricted 7% preferred stock	0	32,315
Warrants	1,038,338	693,043
Options	73,561	112,083
Diluted weighted average shares of common stock outstanding	17,920,271	17,711,378
Basic net income per share attributable to Cooper-Standard Holdings Inc.	$ 1.18	$ 0.92
Diluted net income per share attributable to Cooper-Standard Holdings Inc.	$ 1.10	$ 0.86