CONDENSED CONSOLIDATED STATEMENTS OF NET INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Sales	$ 683,200	$ 739,518	$ 1,678,557	$ 2,382,211
Cost of products sold	598,714	659,313	1,611,299	2,088,631
Gross profit	84,486	80,205	67,258	293,580
Selling, administration & engineering expenses	60,059	63,020	199,001	224,164
Gain on sale of business, net	(2,314)	1,730	(2,314)	(188,180)
Amortization of intangibles	1,669	4,250	9,632	13,173
Restructuring charges	6,186	5,572	23,236	29,214
Impairment of assets held for sale	0	0	86,470	0
Other impairment charges	100	1,958	1,240	4,146
Operating profit (loss)	18,786	3,675	(250,007)	211,063
Interest expense, net of interest income	(17,985)	(10,351)	(40,993)	(33,858)
Equity in earnings (losses) of affiliates	738	1,515	(842)	5,764
Other income (expense), net	2,784	(514)	(5,357)	(3,091)
Income (loss) before income taxes	4,323	(5,675)	(297,199)	179,878
Income tax (benefit) expense	(2,386)	745	(55,485)	47,001
Net income (loss)	6,709	(6,420)	(241,714)	132,877
Net (income) loss attributable to noncontrolling interests	(2,328)	1,543	1,288	2,036
Net income (loss) attributable to Cooper-Standard Holdings Inc.	$ 4,381	$ (4,877)	$ (240,426)	$ 134,913
Earnings per share
Basic	$ 0.26	$ (0.29)	$ (14.22)	$ 7.83
Diluted	$ 0.26	$ (0.29)	$ (14.22)	$ 7.80