CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Sales	$ 685,353	$ 736,038	$ 2,070,140	$ 2,142,236
Cost of products sold	609,041	629,504	1,849,245	1,916,160
Gross profit	76,312	106,534	220,895	226,076
Selling, administration & engineering expenses	49,698	49,834	157,472	156,528
Loss on sale of businesses, net	0	334	0	334
Amortization of intangibles	1,628	1,662	4,894	5,141
Restructuring charges	1,516	2,046	20,430	12,924
Impairment charges	0	0	0	654
Operating income	23,470	52,658	38,099	50,495
Interest expense, net of interest income	(29,125)	(33,803)	(87,041)	(98,057)
Equity in earnings of affiliates	1,258	682	4,830	1,140
Loss on refinancing and extinguishment of debt	0	0	0	(81,885)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	2,216	0	(44,571)	0
Other expense, net	(5,851)	(3,816)	(14,629)	(10,381)
(Loss) income before income taxes	(8,032)	15,721	(103,312)	(138,688)
Income tax expense	2,861	4,338	15,072	9,461
Net (loss) income	(10,893)	11,383	(118,384)	(148,149)
Net (income) loss attributable to noncontrolling interests	(164)	(20)	(576)	1,316
Net (loss) income attributable to Cooper-Standard Holdings Inc.	$ (11,057)	$ 11,363	$ (118,960)	$ (146,833)
Earnings per share
Basic	$ (0.63)	$ 0.65	$ (6.78)	$ (8.47)
Diluted	$ (0.63)	$ 0.65	$ (6.78)	$ (8.47)