CONDENSED CONSOLIDATED STATEMENTS OF NET INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Sales	$ 340,467	$ 764,698	$ 995,357	$ 1,642,693
Cost of products sold	400,838	666,828	1,012,585	1,429,318
Gross profit (loss)	(60,371)	97,870	(17,228)	213,375
Selling, administration & engineering expenses	68,271	74,170	138,942	161,144
Gain on sale of business	0	(189,910)	0	(189,910)
Amortization of intangibles	3,513	5,148	7,963	8,923
Restructuring charges	9,774	5,927	17,050	23,642
Impairment of assets held for sale	12,391	0	86,470	0
Other impairment charges	163	2,188	1,140	2,188
Operating (loss) profit	(154,483)	200,347	(268,793)	207,388
Interest expense, net of interest income	(12,771)	(11,575)	(23,008)	(23,507)
Equity in (losses) earnings of affiliates	(3,011)	1,891	(1,580)	4,249
Other expense, net	(4,701)	(1,781)	(8,141)	(2,577)
(Loss) income before income taxes	(174,966)	188,882	(301,522)	185,553
Income tax (benefit) expense	(38,982)	44,222	(53,099)	46,256
Net (loss) income	(135,984)	144,660	(248,423)	139,297
Net loss attributable to noncontrolling interests	1,765	545	3,616	493
Net (loss) income attributable to Cooper-Standard Holdings Inc.	$ (134,219)	$ 145,205	$ (244,807)	$ 139,790
Earnings per share
Basic	$ (7.93)	$ 8.39	$ (14.49)	$ 8.02
Diluted	$ (7.93)	$ 8.36	$ (14.49)	$ 7.99