Net Income (Loss) Per Share Attributable to Cooper-Standard Holdings Inc. - Basic and Diluted Net Income Per Share Attributable (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net income available to Cooper-Standard Holdings Inc. common stockholders	$ (134,219)	$ 145,205	$ (244,807)	$ 139,790
Basic weighted average shares of common stock outstanding	16,914,971	17,312,359	16,899,344	17,423,162
Dilutive effect of common stock equivalents	0	64,099	0	67,806
Diluted weighted average shares of common stock outstanding	16,914,971	17,376,458	16,899,344	17,490,968
Basic net income per share attributable to Cooper-Standard Holdings Inc.	$ (7.93)	$ 8.39	$ (14.49)	$ 8.02
Diluted net income per share attributable to Cooper-Standard Holdings Inc.	$ (7.93)	$ 8.36	$ (14.49)	$ 7.99