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Description of Business and Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Description Of Business And Significant Accounting Policies [Line Items]          
Shares not included in the computation of diluted earnings per share 1,472 491 1,472 582  
Europe          
Description Of Business And Significant Accounting Policies [Line Items]          
Long-lived assets $ 1,670   $ 1,670   $ 1,399