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Debt (Schedule of Debt) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Revolving credit facility	$ 136,000	$ 126,000
Debt:
Long-term debt	143,673
Total debt	7,673	3,126
Less: current portion	(7,673)	(2,672)
Total long-term debt, net		454
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 136,000	126,000
Debt:
Debt, maturity	June 2024
Suzhou Short-Term Credit Line [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 4,521	2,154
Debt:
Debt, maturity	September 2021
Maximum [Member] | Suzhou Short-Term Credit Line [Member]
Debt:
Outstanding credit lines interest rate	5.00%
Minimum [Member] | Line of Credit [Member]
Debt:
Interest rate	2.85%
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	3.85%
Stoneridge Brazil Short-Term Obligations [Member] | Maximum [Member]
Debt:
Short-term debt, weighted average interest rate	8.80%
Stoneridge Brazil Short-Term Obligations [Member] | Minimum [Member]
Debt:
Short-term debt, weighted average interest rate	5.64%
Sweden Short-Term Note [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 1,591
Debt:
Debt, maturity	January 2021
Outstanding credit lines interest rate	2.60%
Stoneridge Brazil Short-Term Obligations [Member]
Debt Instrument [Line Items]
Short-term debt	$ 1,561
Stoneridge Brazil Short-Term Obligations [Member] | Stoneridge Brazil Short-Term Obligations [Member]
Debt:
Debt, maturity	June 2021 - November 2021
Stoneridge Brazil Long-Term Notes [Member]
Debt:
Long-term debt		$ 972

X

- Definition

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

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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