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Stock-Based Compensation Plans (Details)
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 30, 2022
USD ($)
Type
$ / shares
shares
Sep. 30, 2021
USD ($)
Restricted and Performance Stock Grants [Abstract]    
Number of types of restricted stock | Type 2  
Additional Disclosures [Abstract]    
Compensation expense, gross | $ $ 6,327 $ 7,189
Restricted Shares [Member] | Minimum [Member]    
Restricted and Performance Stock Grants [Abstract]    
Expiration of vesting period 3 years  
Restricted Shares [Member] | Employees [Member]    
Restricted and Performance Stock Grants [Abstract]    
Estimated forfeitures 5.00%  
Restricted Shares [Member] | Executives [Member]    
Restricted and Performance Stock Grants [Abstract]    
Estimated forfeitures 0.00%  
Restricted Shares [Member] | Directors [Member]    
Restricted and Performance Stock Grants [Abstract]    
Estimated forfeitures 0.00%  
Restricted Shares [Member] | Age 60 [Member] | Executives [Member]    
Restricted and Performance Stock Grants [Abstract]    
Vesting percentage 25.00%  
Vesting period before reaching age limit 2 months  
Restricted Shares [Member] | Age 63 [Member] | Executives [Member]    
Restricted and Performance Stock Grants [Abstract]    
Vesting percentage 25.00%  
Vesting period before reaching age limit 2 months  
Restricted Shares [Member] | Age 65 [Member] | Executives [Member]    
Restricted and Performance Stock Grants [Abstract]    
Vesting percentage 100.00%  
Vesting period before reaching age limit 2 months  
Performance-based Shares [Member]    
Restricted and Performance Stock Grants [Abstract]    
Measuring period for performance-based shares 3 years  
Performance-based Shares [Member] | Minimum [Member]    
Restricted and Performance Stock Grants [Abstract]    
Expiration of vesting period 3 years  
Restricted and Performance-Based Shares [Member]    
Restricted and performance-based stock, shares [Roll Forward]    
Beginning of period (in shares) 807,019  
Granted (in shares) 246,125  
Vested (in shares) (174,742)  
Performance Shares Target Adjustment (in shares) 25,317  
Forfeited (in shares) (6,825)  
End of period (in shares) 896,894  
Restricted and performance-based stock, weighted average grant date fair value per share [Roll Forward]    
Beginning of period (in dollars per share) | $ / shares $ 34.92  
Granted (in dollars per share) | $ / shares 28.44  
Vested (in dollars per share) | $ / shares 42.21  
Performance Shares Target Adjustment (in dollars per share) | $ / shares 42.21  
Forfeited (in dollars per share) | $ / shares 41.92  
End of period (in dollars per share) | $ / shares $ 31.86  
Additional Disclosures [Abstract]    
Compensation expense, gross | $ $ 5,700 6,800
Compensation expense, net of tax | $ 4,200 $ 5,100
Unamortized compensation expense | $ $ 16,600  
Restricted and Performance-Based Shares [Member] | Employees [Member]    
Additional Disclosures [Abstract]    
Weighted average period of recognition for unrecognized compensation expense 4 years 6 months 18 days  
Restricted and Performance-Based Shares [Member] | Directors [Member]    
Additional Disclosures [Abstract]    
Weighted average period of recognition for unrecognized compensation expense 6 months 21 days  
Restricted and Performance-Based Shares [Member] | Executives and Directors [Member] | Minimum [Member]    
Restricted and Performance Stock Grants [Abstract]    
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 and Performance Stock Grants [Abstract]    
Post vesting holding period for restricted and performance shares issued 2 years  
2016 Omnibus Incentive Plan [Member] | Restricted and Performance-Based Shares [Member] | Maximum [Member]    
Restricted and Performance Stock Grants [Abstract]    
Shares authorized for issuance (in shares) 2,050,000