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Debt (Schedule of Debt) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Revolving credit facility	$ 126,000	$ 136,000
Debt:
Total debt	4,455	7,673
Less: current portion	(4,455)	(7,673)
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 126,000	136,000
Debt:
Debt, maturity	June 2024
Suzhou Short-Term Credit Line [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 4,182	4,521
Debt:
Debt, maturity	August 2021 - May 2022
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	3.85%
Sweden Short-Term Note [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 4	1,591
Debt:
Debt, maturity	July 2021
Outstanding credit lines interest rate	2.60%
Stoneridge Brazil Short-Term Obligations [Member]
Debt Instrument [Line Items]
Short-term debt	$ 269	$ 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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