CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated other comprehensive loss [Member]	Cooper Standard Holdings Inc Equity Deficit [Member]	Noncontrolling Interest [Member]	Cooper Standard Holdings Inc Equity [Member]	LS Mtron Member [Member]	LS Mtron Member [Member] Noncontrolling Interest [Member]
Beginning Balance at Dec. 31, 2016	$ 716,493	$ 17	$ 513,934	$ 420,659	$ (242,548)	$ 692,062	$ 24,431
Beginning Balance (in shares) at Dec. 31, 2016		17,690,611
Treasury Stock, Shares, Acquired		(513,801)
Stock Issued During Period, Shares, Conversion of Convertible Securities		568,702
Adjustments to Additional Paid in Capital, Warrant Issued	2,373	$ 1	2,372			2,373
Share-based compensation, net (in shares)		169,087
Share-based compensation, net	2,548	$ 1	8,943	(6,396)		2,548
Dividends paid to noncontrolling interests	(785)						(785)
Treasury Stock, Value, Acquired, Cost Method	(55,947)	(1)	(12,434)	(43,512)		(55,947)
Net income	141,241			137,971		137,971	3,270
Other Comprehensive Income (Loss), Net of Tax	46,178				44,574	44,574	1,604
Ending Balance at Dec. 31, 2017	852,101	$ 18	512,815	508,722	(197,974)	823,581	28,520
Ending Balance (in shares) at Dec. 31, 2017		17,914,599
Treasury Stock, Shares, Acquired		(549,019)
Share-based compensation, net (in shares)		189,157
Share-based compensation, net	196		5,637	(5,441)		196
Dividends paid to noncontrolling interests	(2,370)						(312)	$ 2,682
Consolidation of joint venture	1,377						1,377		$ 6,246	$ 6,246
Treasury Stock, Value, Acquired, Cost Method	(60,566)	$ (1)	(14,259)	(46,306)		(60,566)
Net income	99,055			103,601		103,601	(4,546)
Dividends paid to noncontrolling interests	(3,614)						(3,614)
Other Comprehensive Income (Loss), Net of Tax	(40,950)				(39,324)	(39,324)	(1,626)
Ending Balance at Dec. 31, 2018	$ 851,475	$ 17	501,511	569,215	(245,937)	824,806	26,669
Ending Balance (in shares) at Dec. 31, 2018	17,554,737	17,554,737
Cumulative Effect of New Accounting Principle in Period of Adoption	$ 0			8,639	(8,639)
Treasury Stock, Shares, Acquired		(817,954)
Share-based compensation, net (in shares)		105,974
Share-based compensation, net	8,890	$ 0	9,101	(211)		8,890
Dividends paid to noncontrolling interests	(4,759)						6,057	$ (1,298)
Consolidation of joint venture	6,048						6,048
Treasury Stock, Value, Acquired, Cost Method	(35,937)	0	(21,459)	(14,478)		(35,937)
Net income	62,213			67,529		67,529	(5,316)
Dividends paid to noncontrolling interests	(1,058)						(1,058)
Other Comprehensive Income (Loss), Net of Tax	(8,283)				(7,804)	(7,804)	(479)
Ending Balance at Dec. 31, 2019	$ 875,982	$ 17	$ 490,451	619,448	$ (253,741)	856,175	$ 19,807
Ending Balance (in shares) at Dec. 31, 2019	16,842,757	16,842,757
Cumulative Effect of New Accounting Principle in Period of Adoption	$ (2,607)			$ (2,607)		$ (2,607)