Business Segments - Adjusted EBITDA to Net Income (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Adjusted EBITDA									$ 201,608	$ 372,658	$ 451,647
Gain (Loss) on Disposition of Business									191,571	0	0
Gain (Loss) on Disposition of Property Plant Equipment									0	10,377	0
Restructuring Charges									(51,102)	(29,722)	(35,137)
Goodwill impairment charges									0	(45,281)	0
Asset Impairment Charges									(23,139)	(88,987)	(14,763)
Project Costs									(2,090)	(4,881)	0
Cost, Amortization									0	(1,460)	0
Gain (Loss) on Termination of Lease									(1,167)	0	0
Pension Settlement Charges									(15,997)
Pension settlement charges									(15,819)	(775)	(6,427)
Loss Contingency, Loss in Period									0	0	(4,623)
Loss on refinancing and extinguishment of debt									0	(770)	(1,020)
EBITDA									299,684	261,903	389,677
Income Tax Expense (Benefit)									(36,089)	29,400	(71,506)
Interest Income (Expense), Nonoperating, Net									(44,113)	(41,004)	(42,112)
Cost, Depreciation and Amortization									(151,953)	(146,698)	(138,088)
Net income attributable to Cooper-Standard Holdings Inc.	$ (67,384)	$ (4,877)	$ 145,205	$ (5,415)	$ (24,207)	$ 31,482	$ 41,191	$ 55,135	$ 67,529	103,601	$ 137,971
Other [Member]
Segment Reporting Information [Line Items]
Asset Impairment Charges										(43,706)
Cooper Standard Holdings Inc Equity Deficit [Member]
Segment Reporting Information [Line Items]
Goodwill impairment charges										$ (39,818)