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Debt (Schedule of Debt) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Revolving credit facility	$ 130,000	$ 136,000
Debt:
Total debt	1,650	7,673
Less: current portion	(1,650)	(7,673)
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 130,000	136,000
Debt:
Debt, maturity	June 2024
Suzhou Short-Term Credit Line [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 1,551	4,521
Debt:
Debt, maturity	May 2022
Minimum [Member] | Revolving Credit Facility [Member]
Debt:
Long-term debt, weighted average interest rate	1.95%
Minimum [Member] | Suzhou Short-Term Credit Line [Member]
Debt:
Outstanding credit lines interest rate	4.30%
Sweden Short-Term Note [Member]
Debt Instrument [Line Items]
Revolving credit facility		1,591
Stoneridge Brazil Short-Term Obligations [Member]
Debt Instrument [Line Items]
Short-term debt	$ 99	$ 1,561
Debt:
Debt, maturity	November 2021
Short-term debt, weighted average interest rate	8.80%

X

- Definition

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

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Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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- Definition

Fair value of the amount outstanding under the credit facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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