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Stock-Based Compensation (Stock Options Outstanding And Exercisable) (Details) - Stock Options [Member] - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price $ 5.05 $ 5.05
Options Outstanding 1,127,500 1,171,352
Options Exercisable 1,127,500 1,171,352
$5.05 [Member]    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price $ 5.05  
Options Outstanding 1,127,500  
Options Exercisable 1,127,500  
Intrinsic Value of Options Outstanding $ 8,039  
Intrinsic Value of Options Exercisable $ 8,039  
Weighted-Average Life of Options Outstanding [1] 3 years  
Weighted-Average Life of Options Exercisable [1] 3 years  
[1] In years