CONDENSED CONSOLIDATED STATEMENTS OF NET INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Sales	$ 729,021	$ 861,653	$ 2,373,865	$ 2,757,306
Cost of products sold	659,313	741,998	2,088,631	2,315,406
Gross profit	69,708	119,655	285,234	441,900
Selling, administration & engineering expenses	63,020	82,134	224,164	238,913
Gain on sale of business	1,730	0	(188,180)	0
Gain on sale of land	0	(10,714)	0	(10,714)
Amortization of intangibles	4,250	3,791	13,173	10,596
Restructuring charges	5,572	2,703	29,214	19,841
Impairment charges	1,958	0	4,146	0
Operating profit (loss)	(6,822)	41,741	202,717	183,264
Interest expense, net of interest income	(10,351)	(9,983)	(33,858)	(29,756)
Equity in earnings of affiliates	1,515	1,413	5,764	4,348
Loss on refinancing and extinguishment of debt	0	0	0	(770)
Other expense, net	(514)	(1,697)	(3,091)	(3,973)
Income (loss) before income taxes	(16,172)	31,474	171,532	153,113
Income tax expense (benefit)	(574)	(1,190)	45,996	19,831
Net income (loss)	(15,598)	32,664	125,536	133,282
Net (income) loss attributable to noncontrolling interests	1,745	(508)	2,447	(2,457)
Net income (loss) attributable to Cooper-Standard Holdings Inc.	$ (13,853)	$ 32,156	$ 127,983	$ 130,825
Earnings per share
Basic	$ (0.82)	$ 1.80	$ 7.42	$ 7.29
Diluted	$ (0.82)	$ 1.77	$ 7.40	$ 7.13