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Stock-Based Compensation (Narrative) (Details) - USD ($)
shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Claw back of dividends $ 143 $ 202  
Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unamortized cost $ 1,800    
Unamortized cost, period of recognition 2 years 4 months 24 days    
Weighted average period for recognition 1 year 10 months 24 days    
Fair value of vested restricted stock $ 2,100 $ 1,200 $ 2,200
Shares forfeited (in shares) 26 10 7
Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unamortized cost $ 5,000    
Unamortized cost, period of recognition 2 years    
Weighted average period for recognition 1 year 8 months 12 days    
Award service period (in years) 3 years    
Shares forfeited (in shares) 223 197 119
Claw back of dividends $ 143 $ 202 $ 0
Performance Shares | 2021 Grants      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Performance Shares | Minimum | 2019 and 2020 Grants      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award performance target (as a percent) 0.00%    
Performance Shares | Minimum | 2021 Grants      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award performance target (as a percent) 0.00%    
Performance Shares | Maximum | 2019 and 2020 Grants      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award performance target (as a percent) 200.00%    
Performance Shares | Maximum | 2021 Grants      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award performance target (as a percent) 200.00%    
Equity Incentive Plan 2013      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Authorized to grant (in shares) 3,300    
Shares available for future issuance (in shares) 774