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Equity Transactions and Stock-Based Compensation Plans (Schedule of Awards Granted) (Details) - shares
1 Months Ended 12 Months Ended
Jan. 31, 2019
Dec. 31, 2018
Stock Options [Member]    
Schedule of Share-Based Compensation, Stock Awards Granted [Line Items]    
Award Vesting Period   3 years
Restricted Stock Units (RSUs) [Member]    
Schedule of Share-Based Compensation, Stock Awards Granted [Line Items]    
Award Vesting Period   3 years
Phantom Share Units (PSUs) [Member]    
Schedule of Share-Based Compensation, Stock Awards Granted [Line Items]    
Award Vesting Period   39 months
Subsequent Event [Member] | Restricted Stock Units (RSUs) [Member]    
Schedule of Share-Based Compensation, Stock Awards Granted [Line Items]    
Awards granted 870,648  
Performance-based phantom stock unit awards [Member] | Phantom Share Units (PSUs) [Member]    
Schedule of Share-Based Compensation, Stock Awards Granted [Line Items]    
Award Vesting Period   39 months
Performance-based phantom stock unit awards [Member] | Subsequent Event [Member] | Phantom Share Units (PSUs) [Member]    
Schedule of Share-Based Compensation, Stock Awards Granted [Line Items]    
Awards granted 2,467,776  
Time-based phantom stock unit awards [Member] | Phantom Share Units (PSUs) [Member]    
Schedule of Share-Based Compensation, Stock Awards Granted [Line Items]    
Award Vesting Period   3 years
Time-based phantom stock unit awards [Member] | Subsequent Event [Member] | Phantom Share Units (PSUs) [Member]    
Schedule of Share-Based Compensation, Stock Awards Granted [Line Items]    
Awards granted 810,648