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Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based compensation [Abstract]      
Stock-based compensation expense $ 4,414 $ 4,581 $ 4,210
Weighted Average Remaining Contractual Term and Aggregate Intrinsic Value [Abstract]      
Number of shares available for future grant (in shares) 613,810    
Stock Options [Member]      
Share-based compensation [Abstract]      
Stock awards termination period 10 years    
Stock-based compensation expense $ 0 $ 0 1
Number of Shares [Roll Forward]      
Outstanding, beginning of period (in shares) 13,800    
Exercised (in shares) (4,700)    
Expired (in shares) 0    
Outstanding, end of period (in shares) 9,100 13,800  
Exercisable, end of period (in shares) 9,100    
Weighted Average Exercise Price [Abstract]      
Outstanding, beginning of period (in dollars per share) $ 27.83    
Exercised (in dollars per share) 23.82    
Expired (in dollars per share) 0    
Outstanding, end of period (in dollars per share) 29.89 $ 27.83  
Exercisable, end of period (in dollars per share) $ 29.89    
Weighted Average Remaining Contractual Term and Aggregate Intrinsic Value [Abstract]      
Weighted average remaining contractual term, outstanding, end of period 4 years 25 days    
Weighted average remaining contractual term, exercisable, end of period 4 years 25 days    
Aggregate intrinsic value, outstanding, end of period $ 82    
Aggregate intrinsic value, exercisable, end of period 82    
Proceeds from stock options exercised 112 $ 185 725
Tax benefits related to stock options exercised 13 41 123
Intrinsic value of stock options exercised 52 165 490
Fair value of shares vested during the year 0 0 13
Restricted Stock [Member]      
Share-based compensation [Abstract]      
Stock-based compensation expense $ 4,400 $ 4,600 4,200
Restricted Stock [Member] | Employees [Member] | Minimum [Member]      
Share-based compensation [Abstract]      
Stock awards vesting period 3 years    
Restricted Stock [Member] | Employees [Member] | Maximum [Member]      
Share-based compensation [Abstract]      
Stock awards vesting period 5 years    
Restricted Stock [Member] | Non-employee Directors [Member]      
Share-based compensation [Abstract]      
Stock awards vesting period 3 years    
Restricted Stock Units (RSUs) [Member]      
Number of Shares [Roll Forward]      
Unvested, beginning of period (in shares) 585,255    
Forfeited (in shares) (29,747)    
Vested (in shares) (202,765)    
Granted (in shares) 141,289    
Unvested, end of period (in shares) 494,032 585,255  
Weighted Average Grant Date Fair Value [Abstract]      
Unvested, beginning of period (in dollars per share) $ 29.78    
Forfeited (in dollars per share) 30.60    
Vested (in dollars per share) 29.48    
Granted (in dollars per share) 34.03    
Unvested, end of period (in dollars per share) $ 30.89 $ 29.78  
Restricted Stock Awards and Stock Units [Member]      
Share-based compensation [Abstract]      
Tax benefit on restricted stock awards $ 1,900 $ 1,000 $ 1,100
Unrecognized compensation cost $ 4,700    
Unrecognized compensation cost, weighted average period of recognition 1 year 6 months