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%

Amount of short-term and long-term debt and lease obligation.

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Fair value of the amount outstanding under the credit facility.

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