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Acquisitions Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Nov. 01, 2018
Oct. 31, 2018
Aug. 01, 2018
Business Acquisition [Line Items]                  
Payments to Acquire Additional Interest in Subsidiaries       $ 4,797 $ 2,450 $ 0      
AMI China [Member]                  
Business Acquisition [Line Items]                  
Business Acquisition, Percentage of Voting Interests Acquired     100.00%            
Purchase price     $ 3,900            
Cooper-Standard INOAC Pte. Ltd. [Member]                  
Business Acquisition [Line Items]                  
Business Acquisition, Percentage of Voting Interests Acquired     49.00%            
Payments to Acquire Additional Interest in Subsidiaries     $ 2,450            
LS Mtron Member [Member]                  
Business Acquisition [Line Items]                  
Business Acquisition, Percentage of Voting Interests Acquired               80.10%  
Purchase price $ 25,750                
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value               $ 6,400  
Hutchings Automotive Products [Member]                  
Business Acquisition [Line Items]                  
Purchase price $ 42,100                
Intangible assets             $ 11,100    
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net             $ 5,200    
Lauren Companies [Member] [Member]                  
Business Acquisition [Line Items]                  
Purchase price   $ 92,700              
Intangible assets                 $ 34,810
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net                 $ 26,080