CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Cooper Standard Holdings Inc Equity [Member]	Noncontrolling Interest [Member]
Beginning balance (shares) at Dec. 31, 2018			17,554,737
Beginning balance at Dec. 31, 2018	$ 851,475	$ (2,607)	$ 17	$ 501,511	$ 569,215	$ (245,937)	$ 824,806	$ 26,669
Repurchase of common stock (shares)			(118,774)
Repurchase of common stock	(5,937)			(2,057)	(3,880)		(5,937)
Share-based compensation, Shares			85,937
Share-based compensation, net	(210)			4	(214)		(210)
Contribution from noncontrolling interests	2,112			0			0	2,112
Net income (loss)	(5,363)				(5,415)		(5,415)	52
Other Comprehensive Income (Loss), Net of Tax	4,610					4,239	4,239	371
Ending balance (shares) at Mar. 31, 2019			17,521,900
Ending balance at Mar. 31, 2019	844,080		$ 17	499,458	557,099	(241,698)	814,876	29,204
Beginning balance (shares) at Dec. 31, 2018			17,554,737
Beginning balance at Dec. 31, 2018	851,475	(2,607)	$ 17	501,511	569,215	(245,937)	824,806	26,669
Net income (loss)	139,297
Other Comprehensive Income (Loss), Net of Tax	(3,337)
Ending balance (shares) at Jun. 30, 2019			16,901,333
Ending balance at Jun. 30, 2019	949,324		$ 17	483,792	692,791	(249,018)	927,582	21,742
Beginning balance (shares) at Mar. 31, 2019			17,521,900
Beginning balance at Mar. 31, 2019	844,080		$ 17	499,458	557,099	(241,698)	814,876	29,204
Repurchase of common stock (shares)			(626,305)
Repurchase of common stock	(30,000)			(20,486)	(9,514)		(30,000)
Share-based compensation, Shares			5,738
Share-based compensation, net	3,523			3,522	1		3,523
Purchase of noncontrolling interest	(4,759)			1,298			1,298	(6,057)
Dividends declared to noncontrolling interests	233							233
Net income (loss)	144,660				145,205		145,205	(545)
Other Comprehensive Income (Loss), Net of Tax	(7,947)					(7,320)	(7,320)	(627)
Ending balance (shares) at Jun. 30, 2019			16,901,333
Ending balance at Jun. 30, 2019	$ 949,324		$ 17	483,792	692,791	(249,018)	927,582	21,742
Beginning balance (shares) at Dec. 31, 2019	16,842,757		16,842,757
Beginning balance at Dec. 31, 2019	$ 875,982	(1,573)	$ 17	490,451	619,448	(253,741)	856,175	19,807
Share-based compensation, Shares			41,785
Share-based compensation, net	1,874			1,874	0		1,874
Net income (loss)	(112,439)				(110,588)		(110,588)	(1,851)
Other Comprehensive Income (Loss), Net of Tax	(36,283)					(35,776)	(35,776)	(507)
Ending balance (shares) at Mar. 31, 2020			16,884,542
Ending balance at Mar. 31, 2020	$ 727,561		$ 17	492,325	507,287	(289,517)	710,112	17,449
Beginning balance (shares) at Dec. 31, 2019	16,842,757		16,842,757
Beginning balance at Dec. 31, 2019	$ 875,982	$ (1,573)	$ 17	490,451	619,448	(253,741)	856,175	19,807
Net income (loss)	(248,423)
Other Comprehensive Income (Loss), Net of Tax	$ (23,972)
Ending balance (shares) at Jun. 30, 2020	16,894,090		16,894,090
Ending balance at Jun. 30, 2020	$ 606,191		$ 17	494,628	373,068	(277,296)	590,417	15,774
Beginning balance (shares) at Mar. 31, 2020			16,884,542
Beginning balance at Mar. 31, 2020	727,561		$ 17	492,325	507,287	(289,517)	710,112	17,449
Share-based compensation, Shares			9,548
Share-based compensation, net	2,303			2,303	0		2,303
Net income (loss)	(135,984)				(134,219)		(134,219)	(1,765)
Other Comprehensive Income (Loss), Net of Tax	$ 12,311					12,221	12,221	90
Ending balance (shares) at Jun. 30, 2020	16,894,090		16,894,090
Ending balance at Jun. 30, 2020	$ 606,191		$ 17	$ 494,628	$ 373,068	$ (277,296)	$ 590,417	$ 15,774