Overview Correction of Errors (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Sales	$ 729,021			$ 861,653			$ 2,373,865	$ 2,757,306
Net income (loss)	$ (15,598)	$ 144,751	$ (3,617)	$ 32,664	$ 43,202	$ 57,416	$ 125,536	$ 133,282
Diluted net income per share attributable to Cooper-Standard Holdings Inc.	$ (0.82)			$ 1.77			$ 7.40	$ 7.13
Out-of-period adjustment [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Sales	$ 8,498
Net income (loss)	$ 6,220
Diluted net income per share attributable to Cooper-Standard Holdings Inc.	$ 0.36
Accrued liabilities and other liabilities	$ 6,220						$ 6,220