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Debt (Narrative) (Details)
¥ in Thousands, kr in Thousands, $ in Thousands
12 Months Ended
Feb. 28, 2022
USD ($)
Jun. 30, 2020
Dec. 31, 2021
USD ($)
Dec. 31, 2021
SEK (kr)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2021
SEK (kr)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
SEK (kr)
Dec. 31, 2020
CNY (¥)
Jun. 26, 2020
USD ($)
Jun. 05, 2019
USD ($)
Jun. 04, 2019
USD ($)
Debt Instrument [Line Items]                          
Credit Facility covenant compliance     The Company was in compliance with all credit facility covenants at December 31, 2021, as a result of Amendment No. 3, and at December 31, 2020. The Company was in compliance with all credit facility covenants at December 31, 2021, as a result of Amendment No. 3, and at December 31, 2020.                  
Borrowings outstanding     $ 163,957   $ 136,000                
Subsidiary borrowed     91,913   71,500 $ 112,000              
Repayments of credit line     64,000   61,500 $ 82,000              
Outstanding letters of credit     1,698   1,720                
Cash and cash equivalents     85,547   73,919                
2022     5,248                    
2024     163,957                    
Bridge Loan [Member]                          
Debt Instrument [Line Items]                          
Line of credit facility, maximum borrowing capacity     40,000                    
Revolving Credit Facility [Member]                          
Debt Instrument [Line Items]                          
Line of credit facility, maximum borrowing capacity     400,000                 $ 400,000 $ 300,000
Increase in maximum borrowing capacity of credit facility                       $ 150,000  
Borrowings outstanding     $ 163,957   136,000                
Debt instrument covenant default of other debt maximum amount         30,000                
Debt instrument covenant uninsured asset losses maximum amount         30,000                
Revolving Credit Facility [Member] | Minimum [Member]                          
Debt Instrument [Line Items]                          
Long-term debt, weighted average interest rate     2.40%       2.40% 2.40%          
Line of Credit [Member]                          
Debt Instrument [Line Items]                          
Line of credit facility, maximum borrowing capacity     $ 2,213   2,435   kr 20,000            
Line of credit         1,591       kr 13,072        
Suzhou Short-Term Credit Line [Member]                          
Debt Instrument [Line Items]                          
Line of credit facility, maximum borrowing capacity     7,871   7,663     ¥ 50,000          
Borrowings outstanding     $ 3,149   $ 4,521                
Outstanding credit lines weighted-average interest rate     4.15%   4.32%   4.15% 4.15% 4.32% 4.32%      
Suzhou Short-Term Credit Line [Member] | Maximum [Member]                          
Debt Instrument [Line Items]                          
Outstanding credit lines interest rate     4.30% 4.30%                  
Suzhou Short-Term Credit Line [Member] | Minimum [Member]                          
Debt Instrument [Line Items]                          
Outstanding credit lines interest rate     4.00% 4.00%                  
Bank Acceptance Draft Credit Line [Member]                          
Debt Instrument [Line Items]                          
Credit facility, borrowing capacity     $ 2,361   $ 2,299     ¥ 15,000   ¥ 15,000      
Borrowings outstanding     $ 2,182   $ 414                
Credit Facility [Member]                          
Debt Instrument [Line Items]                          
Line of credit expiration date     Jun. 05, 2024 Jun. 05, 2024                  
Minimum interest coverage ratio     350.00%       350.00% 350.00%          
Stoneridge Brazil?s Bank Overdraft Credit                          
Debt Instrument [Line Items]                          
Borrowings outstanding     $ 0                    
Amendment Number One [Member] | Revolving Credit Facility [Member]                          
Debt Instrument [Line Items]                          
Capitalized deferred financing costs     1,086                    
Credit facility required minimum liquidity                     $ 150,000    
Amendment Number One [Member] | Revolving Credit Facility [Member] | Quarter Ended December 31, 2020 [Member]                          
Debt Instrument [Line Items]                          
Minimum interest coverage ratio                     2.75%    
Amendment Number One [Member] | Revolving Credit Facility [Member] | Quarter Ended March 31, 2021 [Member]                          
Debt Instrument [Line Items]                          
Minimum interest coverage ratio                     3.25%    
Amendment Number One [Member] | Revolving Credit Facility [Member] | Quarters Ended After March 31, 2021 [Member]                          
Debt Instrument [Line Items]                          
Minimum interest coverage ratio                     3.50%    
Amendment Number One [Member] | Revolving Credit Facility [Member] | Maximum [Member]                          
Debt Instrument [Line Items]                          
Cash and cash equivalents                     $ 130,000    
Amendment Number One [Member] | Revolving Credit Facility [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]                          
Debt Instrument [Line Items]                          
Basis spread on variable rate   0.50%                      
Subsequent Event [Member] | Amendment Three [Member]                          
Debt Instrument [Line Items]                          
Line of credit facility, maximum borrowing capacity $ 300,000                        
Subsequent Event [Member] | Amendment Three [Member] | Quarter Ended March 31, 2022 [Member]                          
Debt Instrument [Line Items]                          
Minimum interest coverage ratio 250.00%                        
Subsequent Event [Member] | Amendment Three [Member] | Quarter Ended June 30, 2022 [Member]                          
Debt Instrument [Line Items]                          
Minimum interest coverage ratio 225.00%                        
Subsequent Event [Member] | Amendment Three [Member] | Quarters Ended September 30, 2022 and December 31, 2022 [Member]                          
Debt Instrument [Line Items]                          
Minimum interest coverage ratio 300.00%                        
Subsequent Event [Member] | Amendment Three [Member] | Bridge Loan [Member]                          
Debt Instrument [Line Items]                          
Line of credit facility, maximum borrowing capacity $ 30,000                        
Subsequent Event [Member] | Amendment Three [Member] | Revolving Credit Facility [Member]                          
Debt Instrument [Line Items]                          
Maximum leverage ratio 400.00%                        
Percent threshold of domestic cash 100.00%                        
Percent threshold of foreign cash 65.00%                        
Maximum net leverage ratio 350.00%                        
Subsequent Event [Member] | Amendment Three [Member] | Revolving Credit Facility [Member] | Quarter ended December 31, 2022 [Member]                          
Debt Instrument [Line Items]                          
Maximum leverage ratio 475.00%                        
Subsequent Event [Member] | Amendment Three [Member] | Revolving Credit Facility [Member] | Quarter ended March 31, 2023 [Member]                          
Debt Instrument [Line Items]                          
Maximum leverage ratio 350.00%                        
Subsequent Event [Member] | Amendment Three [Member] | Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]                          
Debt Instrument [Line Items]                          
Basis spread on variable rate 0.50%                        
Subsequent Event [Member] | Amendment Three [Member] | Revolving Credit Facility [Member] | Maximum [Member]                          
Debt Instrument [Line Items]                          
Cash and cash equivalents $ 70,000                        
Specified Hedge Borrowings [Member] | Amendment Number One [Member] | Revolving Credit Facility [Member]                          
Debt Instrument [Line Items]                          
Borrowings outstanding     50,000                    
Specified Hedge Borrowings [Member] | Amendment Number One [Member] | Revolving Credit Facility [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]                          
Debt Instrument [Line Items]                          
Basis spread on variable rate   0.00%                      
Specified Hedge Borrowings [Member] | Subsequent Event [Member] | Amendment Three [Member] | Revolving Credit Facility [Member]                          
Debt Instrument [Line Items]                          
Basis spread on variable rate 0.00%                        
Electronics [Member] | Line of Credit [Member]                          
Debt Instrument [Line Items]                          
Borrowings outstanding     2,099       kr 18,973            
Subsidiary borrowed     38,982 kr 352,368                  
Repayments of credit line     $ 38,329 kr 346,467