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Stock-Based Compensation (Stock Based Compensation) (Details) - shares
Dec. 31, 2023
May 10, 2012
May 09, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of stock units per common shares (in shares) 1    
Flexible Stock Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares against plan (in shares)   3 1