Net Income 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								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Earnings Per Share [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount									0	1,000	2,000
Net income attributable to Cooper-Standard Holdings Inc.	$ (67,384)	$ (4,877)	$ 145,205	$ (5,415)	$ (24,207)	$ 31,482	$ 41,191	$ 55,135	$ 67,529	$ 103,601	$ 137,971
Diluted net income available to Cooper-Standard Holdings Inc. common stockholders									$ 67,529	$ 103,601	$ 137,971
Basic weighted average shares of common stock outstanding									17,146,124	17,894,718	17,781,272
Dilutive effect of:
Weighted Average Number Diluted Shares Outstanding Adjustment									62,644	395,484	995,381
Diluted weighted average shares of common stock outstanding									17,208,768	18,290,202	18,776,653
Basic net income per share attributable to Cooper-Standard Holdings Inc. (in dollars per share)	$ (4.00)	$ (0.29)	$ 8.39	$ (0.31)	$ (1.36)	$ 1.77	$ 2.29	$ 3.06	$ 3.94	$ 5.79	$ 7.76
Diluted net income per share attributable to Cooper-Standard Holdings Inc. (in dollars per share)	$ (4.00)	$ (0.29)	$ 8.36	$ (0.31)	$ (1.36)	$ 1.73	$ 2.24	$ 2.98	$ 3.92	$ 5.66	$ 7.35