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Restructuring and Business Realignment (Schedule of Business Realignment Charges Classified by Statement of Operations) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Restructuring Cost and Reserve [Line Items] |  |  |
Total business realignment charges | $ 1,829 | $ 710 | $ 1,812
Cost of Goods Sold [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total business realignment charges |  | 63 | 426
Selling, General and Administrative Expenses [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total business realignment charges | 1,829 | 491 | 1,385
Design and Development Expense [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total business realignment charges |  | 156 | 1
Control Devices [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total business realignment charges | 682 | 169 |
Control Devices [Member] | Selling, General and Administrative Expenses [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance costs | 682 |  | 41
Control Devices [Member] | Design and Development Expense [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance costs |  | 128 |
Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total business realignment charges | 99 | 63 | 1,223
Electronics [Member] | Cost of Goods Sold [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance costs |  |  | 56
Electronics [Member] | Selling, General and Administrative Expenses [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance costs | 99 | 63 | 1,167
Stoneridge Brazil [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total business realignment charges |  | 478 | 589
Stoneridge Brazil [Member] | Cost of Goods Sold [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance costs |  | 63 | 370
Stoneridge Brazil [Member] | Selling, General and Administrative Expenses [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance costs |  | 387 | 218
Stoneridge Brazil [Member] | Design and Development Expense [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance costs |  | $ 28 | $ 1
Unallocated Corporate [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total business realignment charges | 1,048 |  |
Unallocated Corporate [Member] | Selling, General and Administrative Expenses [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance costs | $ 1,048 |  |

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