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Stock-Based Compensation (Narrative) (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
ShareBasedCompensationPlan
shares
Mar. 31, 2020
USD ($)
shares
May 29, 2019
shares
Mar. 19, 2019
shares
May 16, 2013
shares
May 21, 2009
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of stock-based compensation plans | ShareBasedCompensationPlan 2          
Compensation cost | $ $ 161 $ 143        
Total income tax (expense) benefit | $ $ 34 $ 30        
Shares available to be issued         272,727  
2009 Equity Compensation Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares remaining available       0    
2019 Equity Incentive Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares authorized     300,000      
Shares remaining available 184,041          
Stock Options [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expiration period 10 years          
Shares cancelled, forfeited or expired 1,454 0        
Options exercised 14,544        
Shares granted 0 0        
Stock Options [Member] | Minimum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting periods 1 year          
Stock Options [Member] | Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting periods 3 years          
Restricted Stock [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares vested 5,884 10,096        
Shares granted 68,460          
Unrecognized compensation cost | $ $ 1,677 $ 1,012        
Shares, Forfeited 183 5,234        
Restricted Stock [Member] | 2009 Equity Compensation Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares authorized           36,363
Restricted Stock [Member] | Minimum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting periods 1 year          
Restricted Stock [Member] | Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting periods 3 years