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Debt (Narrative) (Details)
¥ in Thousands, kr in Thousands, R$ in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
Mar. 31, 2020
SEK (kr)
Mar. 31, 2020
BRL (R$)
Mar. 31, 2020
USD ($)
Mar. 31, 2020
CNY (¥)
Mar. 31, 2020
SEK (kr)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2019
SEK (kr)
Jun. 30, 2019
USD ($)
Jun. 05, 2019
USD ($)
Sep. 12, 2014
USD ($)
Nov. 02, 2007
USD ($)
Debt Instrument [Line Items]                          
Borrowings outstanding       $ 161,000     $ 126,000            
Revolving Credit Facility [Member]                          
Debt Instrument [Line Items]                          
Capitalized deferred financing costs                   $ 1,366      
Line of credit facility, maximum borrowing capacity                     $ 400,000 $ 300,000  
Increase in maximum borrowing capacity of credit facility                     $ 150    
Borrowings outstanding       $ 161,000     126,000            
Maximum leverage ratio     350.00% 350.00% 350.00% 350.00%              
Minimum interest coverage ratio     350.00% 350.00% 350.00% 350.00%              
Write off of deferred debt issuance cost $ 275                        
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] | Maximum [Member]                          
Debt Instrument [Line Items]                          
Long-term debt, weighted average interest rate     2.04% 2.04% 2.04% 2.04%              
Revolving Credit Facility [Member] | Minimum [Member]                          
Debt Instrument [Line Items]                          
Long-term debt, weighted average interest rate     1.67% 1.67% 1.67% 1.67%              
Asset-Based Credit Facility [Member]                          
Debt Instrument [Line Items]                          
Line of credit facility, maximum borrowing capacity                         $ 100,000
Suzhou Short-Term Credit Line [Member]                          
Debt Instrument [Line Items]                          
Line of credit facility, maximum borrowing capacity       $ 5,649 ¥ 40,000                
Borrowings outstanding       $ 2,118     2,154            
Outstanding credit lines weighted-average interest rate     4.80% 4.80% 4.80% 4.80%              
Suzhou Short-Term Credit Line [Member] | Maximum [Member]                          
Debt Instrument [Line Items]                          
Outstanding credit lines interest rate 5.00% 5.00%                      
Suzhou Short-Term Credit Line [Member] | Minimum [Member]                          
Debt Instrument [Line Items]                          
Outstanding credit lines interest rate 4.70% 4.70%                      
Bank Acceptance Draft Credit Line [Member]                          
Debt Instrument [Line Items]                          
Credit facility, borrowing capacity       $ 2,118 ¥ 15,000   2,154 ¥ 15,000          
Borrowings outstanding       150                  
Letter of Credit [Member]                          
Debt Instrument [Line Items]                          
Outstanding letters of credit       1,768                  
Credit Facility [Member]                          
Debt Instrument [Line Items]                          
Credit Facility covenant compliance The Company was in compliance with all credit facility covenants at March 31, 2020 and December 31, 2019 The Company was in compliance with all credit facility covenants at March 31, 2020 and December 31, 2019                      
Stoneridge Brazil?s Bank Overdraft Credit                          
Debt Instrument [Line Items]                          
Credit facility, borrowing capacity     R$ 5,000 962     1,244            
Borrowings outstanding       0     0            
Stoneridge Brazil Debt [Member]                          
Debt Instrument [Line Items]                          
Notes covenant compliance The Company was in compliance with all debt covenants at March 31, 2020 and December 31, 2019 The Company was in compliance with all debt covenants at March 31, 2020 and December 31, 2019                      
Stoneridge Brazil [Member] | Term Loan [Member]                          
Debt Instrument [Line Items]                          
2020       398                  
2021       $ 255                  
Stoneridge Brazil [Member] | Stoneridge Brazil Long-Term Notes [Member]                          
Debt Instrument [Line Items]                          
Long-term debt, weighted average interest rate     7.00% 7.00% 7.00% 7.00%              
Electronics [Member] | Line of Credit [Member]                          
Debt Instrument [Line Items]                          
Line of credit facility, maximum borrowing capacity       $ 2,025   kr 20,000 2,136   kr 20,000        
Borrowings outstanding       $ 0     0            
Subsidiary borrowed and repaid $ 1,949 kr 19,155                      
Suzhou Short-Term Note [Member]                          
Debt Instrument [Line Items]                          
Line of credit facility, maximum borrowing capacity             $ 5,746