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Stock-based Compensation (Information Related to Stock Options Exercised) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Proceeds from exercise of stock options $ 11,575 $ 756 $ 1,052
Continuing Operations      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Proceeds from exercise of stock options 11,575 756 1,052
Intrinsic value of stock options exercised 11,314 867 750
Income tax benefit related to stock options exercised $ 2,602 $ 182 $ 158