Accumulated Other Comprehensive Income (Loss), Equity and Redeemable Noncontrolling Interests - Summary of Equity and Redeemable Noncontrolling Interest Activity (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Equity And Noncontrolling Interests [Line Items]
Equity at January 1, 2013			$ 629,231
Net income (loss)	20,286	10,358	66,305	110,286
Repurchase of common stock			(217,549)	(20,636)
Conversion of preferred shares			(18,252)
Warrant exercise			11,252
Equity at September 30, 2013	496,536		496,536
Cooper-Standard Holdings Inc. [Member]
Equity And Noncontrolling Interests [Line Items]
Equity at January 1, 2013			628,326
Net income (loss)			68,729
Preferred stock dividends			(4,569)
Repurchase of common stock			(217,549)
Conversion of preferred shares			18,252
Warrant exercise			11,252
Other comprehensive income (loss)			(8,650)
Stock-based compensation			3,026
Shares issued under stock option plans			(593)
Accretion of redeemable noncontrolling interests			(656)
Purchase of noncontrolling interest			(885)
Equity at September 30, 2013	496,683		496,683
Noncontrolling Interest [Member]
Equity And Noncontrolling Interests [Line Items]
Equity at January 1, 2013			905
Net income (loss)			(25)
Preferred stock dividends
Repurchase of common stock
Conversion of preferred shares
Warrant exercise
Other comprehensive income (loss)			(1)
Stock-based compensation
Shares issued under stock option plans
Accretion of redeemable noncontrolling interests
Purchase of noncontrolling interest			(1,026)
Equity at September 30, 2013	(147)		(147)
Redeemable Noncontrolling Interests [Member]
Equity And Noncontrolling Interests [Line Items]
Equity at January 1, 2013			14,194
Net income (loss)			(2,399)
Preferred stock dividends
Repurchase of common stock
Conversion of preferred shares
Warrant exercise
Other comprehensive income (loss)			60
Stock-based compensation
Shares issued under stock option plans
Accretion of redeemable noncontrolling interests			656
Purchase of noncontrolling interest
Equity at September 30, 2013	12,511		12,511
Total Equity [Member]
Equity And Noncontrolling Interests [Line Items]
Equity at January 1, 2013			629,231
Net income (loss)			68,704
Preferred stock dividends			(4,569)
Repurchase of common stock			(217,549)
Conversion of preferred shares			18,252
Warrant exercise			11,252
Other comprehensive income (loss)			(8,651)
Stock-based compensation			3,026
Shares issued under stock option plans			(593)
Accretion of redeemable noncontrolling interests			(656)
Purchase of noncontrolling interest			(1,911)
Equity at September 30, 2013	$ 496,536		$ 496,536