CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (269,374)	$ 62,213	$ 99,055
Other comprehensive income (loss):
Currency translation adjustment	18,429	(13,308)	(46,902)
Benefit plan liabilities adjustment, net of tax	(5,919)	4,215	4,943
Fair value change of derivatives, net of tax	410	810	1,009
Other comprehensive income (loss), net of tax	12,920	(8,283)	(40,950)
Comprehensive (loss) income	(256,454)	53,930	58,105
Comprehensive (income) loss attributable to noncontrolling interests	694	5,795	6,172
Comprehensive (loss) income attributable to Cooper-Standard Holdings Inc.	$ (255,760)	$ 59,725	$ 64,277