Debt (Schedule of Debt) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Revolving credit facility	$ 147,745	$ 163,957
Debt:
Total debt	5,183	5,248
Less: current portion	(5,183)	(5,248)
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 147,745	163,957
Debt:
Debt, maturity	June 2024
Outstanding credit lines interest rate	2.85%
Suzhou Short-Term Credit Line [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 3,155	3,149
Debt:
Debt, maturity	May 2022 - October 2022
Maximum [Member] \| Suzhou Short-Term Credit Line [Member]
Debt:
Short-term debt, weighted average interest rate	4.30%
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	4.00%
Sweden Short-Term Note [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 2,028	$ 2,099
Debt:
Debt, maturity	April 2022
Outstanding credit lines interest rate	2.67%

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

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