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Stock-Based Compensation Plans (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2023
USD ($)
Type
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Restricted Stock and Performance Share Grants [Abstract]      
Number of types of restricted stock | Type 2    
Compensation expense, gross | $ $ 6,598 $ 8,178 $ 9,479
Restricted Shares [Member] | Minimum [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Expiration of vesting period 3 years    
Restricted Shares [Member] | Employees [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Estimated forfeitures 5.00%    
Restricted Shares [Member] | Executives [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Estimated forfeitures 0.00%    
Restricted Shares [Member] | Directors [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Estimated forfeitures 0.00%    
Restricted Shares [Member] | Age 60 [Member] | Executives [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Vesting percentage 25.00%    
Vesting period before reaching age limit 2 months    
Restricted Shares [Member] | Age 63 [Member] | Executives [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Vesting percentage 25.00%    
Vesting period before reaching age limit 2 months    
Restricted Shares [Member] | Age 65 [Member] | Executives [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Vesting percentage 100.00%    
Vesting period before reaching age limit 2 months    
Performance-Based Shares [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Measuring period for performance-based shares 3 years    
Performance-Based Shares [Member] | Minimum [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Expiration of vesting period 3 years    
Restricted and Performance-Based Shares [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Compensation expense, gross | $ $ 6,200 7,600 9,100
Compensation expense, net of tax | $ 4,800 5,700 $ 6,900
Unamortized compensation expense | $ $ 13,300 $ 14,900  
Restricted and performance-based stock, shares [Roll Forward]      
Beginning of period (in shares) 880,829 807,019  
Granted (in shares) 230,875 246,325  
Vested (in shares) (248,065) (190,082)  
Performance Shares Target Adjustment (in shares) 29,137 25,317  
Forfeited (in shares) (11,800) (7,750)  
End of period (in shares) 880,976 880,829 807,019
Restricted and performance-based stock, weighted average grant date fair value per share [Roll Forward]      
Beginning of period (in dollars per share) | $ / shares $ 31.79 $ 34.92  
Granted (in dollars per share) | $ / shares 27 28.44  
Vested (in dollars per share) | $ / shares 36.3 41.71  
Performance Shares Target Adjustment (in dollars per share) | $ / shares 36.3 42.21  
Forfeited (in dollars per share) | $ / shares 35.36 40.73  
End of period (in dollars per share) | $ / shares $ 29.48 $ 31.79 $ 34.92
Weighted-average grant date fair value | $ $ 26,000 $ 28,000 $ 28,200
Restricted and Performance-Based Shares [Member] | Employees [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Weighted average period of recognition for unrecognized compensation expense 4 years 1 month 6 days 4 years 3 months 18 days  
Restricted and Performance-Based Shares [Member] | Directors [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Weighted average period of recognition for unrecognized compensation expense 3 months 18 days 3 months 18 days  
Restricted and Performance-Based Shares [Member] | Executives and Directors [Member] | Minimum [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Holding period for restricted and performance shares issued 1 year    
Post vesting holding period for restricted and performance shares issued 1 year    
Restricted and Performance-Based Shares [Member] | Executives and Directors [Member] | Maximum [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Holding period for restricted and performance shares issued 2 years    
Post vesting holding period for restricted and performance shares issued 2 years    
2016 Omnibus Incentive Plan [Member] | Restricted Shares [Member]      
Restricted and performance-based stock, shares [Roll Forward]      
Granted (in shares) 165,125    
2016 Omnibus Incentive Plan [Member] | Performance-Based Shares [Member]      
Restricted and performance-based stock, shares [Roll Forward]      
Granted (in shares) 65,750    
2016 Omnibus Incentive Plan [Member] | Restricted and Performance-Based Shares [Member]      
Restricted Stock and Performance Share Grants [Abstract]      
Restricted and performance-based stock grants issued, net of forfeitures (in shares) 1,633,549    
Common stock available for future grants (in shares) 416,451    
2016 Omnibus Incentive Plan [Member] | Employees and Directors [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Abstract]      
Shares authorized for issuance (in shares) 2,050,000    
2016 Omnibus Incentive Plan [Member] | Nonemployee Directors [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Abstract]      
Shares authorized for issuance (in shares) 350,000