CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net (loss) income	$ (124,864)	$ 6,709	$ (224,106)	$ (241,714)
Currency translation adjustment	(6,215)	17,488	(4,074)	(4,612)
Benefit plan liabilities adjustment, net of tax	4,978	(853)	8,328	1,113
Fair value change of derivatives, net of tax	(2,132)	2,072	(1,952)	(1,766)
Other comprehensive (loss) income, net of tax	(3,369)	18,707	2,302	(5,265)
Comprehensive (loss) income	(128,233)	25,416	(221,804)	(246,979)
Comprehensive loss (income) attributable to noncontrolling interests	1,916	(2,970)	3,744	1,063
Comprehensive (loss) income attributable to Cooper-Standard Holdings Inc.	$ (126,317)	$ 22,446	$ (218,060)	$ (245,916)