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Retirement and Share-based Compensation Plans (Incentive Plans) (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted 1,246,605 815,767 0
Amended Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of additional shares authorized   3,000,000  
Number of shares authorized 5,500,000    
Number of shares available for future grant 1,924,101    
Amended Plan | Performance Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted 855,052 709,958  
Period market condition must be met 30 days    
Market condition, weighted average common stock price per common share $ 37.00    
Amended Plan | Performance Options | Share-based Compensation Award, Tranche One      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage 50.00%    
Amended Plan | Performance Options | Share-based Compensation Award, Tranche Two      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage 50.00%    
Award vesting period 1 year    
Amended Plan | Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares issued in period 39,273 51,450  
2016 Employee Incentive Plan or Amended Plan | Performance Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award performance period 3 years 3 years 3 years
Award vesting period 3 years 3 years 3 years
2016 Employee Incentive Plan or Amended Plan | Performance Units | Award Date, 2021 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity instruments granted 186,091    
2016 Employee Incentive Plan or Amended Plan | Performance Units | Award Date, 2020 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity instruments granted   217,781  
2016 Employee Incentive Plan or Amended Plan | Performance Units | Award Date, 2019 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity instruments granted     152,678
2016 Employee Incentive Plan or Amended Plan | Performance Units | Threshold Goals, Vesting Percentage | Award Date, 2021 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage 50.00%    
2016 Employee Incentive Plan or Amended Plan | Performance Units | Threshold Goals, Vesting Percentage | Award Date, 2020 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage   50.00%  
2016 Employee Incentive Plan or Amended Plan | Performance Units | Threshold Goals, Vesting Percentage | Award Date, 2019 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage     50.00%
2016 Employee Incentive Plan or Amended Plan | Performance Units | Target Performance Goals, Vesting Percentage | Award Date, 2021 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage 100.00%    
2016 Employee Incentive Plan or Amended Plan | Performance Units | Target Performance Goals, Vesting Percentage | Award Date, 2020 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage   100.00%  
2016 Employee Incentive Plan or Amended Plan | Performance Units | Target Performance Goals, Vesting Percentage | Award Date, 2019 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage     100.00%
2016 Employee Incentive Plan or Amended Plan | Performance Units | Maximum Performance Goals, Vesting Percentage | Award Date, 2021 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage 200.00%    
2016 Employee Incentive Plan or Amended Plan | Performance Units | Maximum Performance Goals, Vesting Percentage | Award Date, 2020 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage   150.00%  
2016 Employee Incentive Plan or Amended Plan | Performance Units | Maximum Performance Goals, Vesting Percentage | Award Date, 2019 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage     150.00%
2016 Employee Incentive Plan or Amended Plan | Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity instruments granted 199,597 133,429 72,696
Participant age for full vesting 65 years    
Requisite service period for full vesting 10 years    
2016 Employee Incentive Plan or Amended Plan | Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted 391,553 105,809  
Duration of award 10 years    
2013 Director Equity And Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized 250,000    
Number of shares available for future grant 0    
2013 Director Equity And Incentive Plan | Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares issued in period     32,000
Minimum | Amended Plan | Performance Options | Share-based Compensation Award, Tranche One      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 1 year    
Minimum | 2016 Employee Incentive Plan or Amended Plan | Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 1 year    
Minimum | 2016 Employee Incentive Plan or Amended Plan | Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 1 year    
Maximum | Amended Plan | Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 1 year    
Maximum | 2016 Employee Incentive Plan or Amended Plan | Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Maximum | 2016 Employee Incentive Plan or Amended Plan | Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 5 years    
Maximum | 2013 Director Equity And Incentive Plan | Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 1 year