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Debt (Schedule of Debt) (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019
Debt Instrument [Line Items] |  |
Revolving credit facility | $ 161,000 | $ 126,000
Debt: |  |
Total debt | 4,983 | 3,126
Less: current portion | (4,831) | (2,672)
Total long-term debt, net | 152 | 454
Revolving Credit Facility [Member] |  |
Debt Instrument [Line Items] |  |
Revolving credit facility | $ 161,000 | 126,000
Debt: |  |
Debt, maturity | June 2024 |
Suzhou Short-Term Credit Line [Member] |  |
Debt Instrument [Line Items] |  |
Revolving credit facility | $ 3,538 | 2,154
Debt: |  |
Debt, maturity | August 2020 |
Maximum [Member] | Suzhou Short-Term Credit Line [Member] |  |
Debt: |  |
Outstanding credit lines interest rate | 5.00% |
Minimum [Member] | Revolving Credit Facility [Member] |  |
Debt: |  |
Long-term debt, weighted average interest rate | 2.85% |
Minimum [Member] | Suzhou Short-Term Credit Line [Member] |  |
Debt: |  |
Outstanding credit lines interest rate | 4.35% |
Stoneridge Brazil Short-Term Obligations [Member] |  |
Debt Instrument [Line Items] |  |
Short-term debt | $ 918 |
Debt: |  |
Debt, maturity | June 2021 |
Short-term debt, weighted average interest rate | 5.64% |
Stoneridge Brazil Long-Term Notes [Member] |  |
Debt: |  |
Long-term debt | $ 527 | $ 972
Debt, maturity | November 2021 |
Interest rate | 8.80% |

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