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Shareholders' Equity (Stock Option Summary) (Details) - $ / shares
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding, number of options 10,148 661,062 579,521 590,047
Options exercisable, number of options 10,148      
33.27 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise price US$ $ 33.27      
Options outstanding, number of options 10,148      
Options outstanding, weighted average remaining contractual life (in years) 2 years 3 months 18 days      
Options exercisable, number of options 10,148      
Options exercisable, weighted average remaining contractual life (in years) 2 years 3 months 18 days