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Stock-Based Compensation (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
USD ($)
$ / shares
shares
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
Employee
$ / shares
shares
Sep. 30, 2022
USD ($)
May 02, 2016
shares
Stock-Based Compensation [Abstract]          
Number of retiring key employees receiving accelerated vesting period | Employee     1    
LTIP [Member]          
Stock-Based Compensation [Abstract]          
Maximum number of shares of common stock that can be issued under the plan (in shares)         100,000
Term of plan     10 years    
Maximum number of shares of common stock subject to awards that may be granted to a participant per calendar year (in shares)     2,000    
Restricted Stock [Member] | LTIP [Member]          
Number of Shares [Roll Forward]          
Nonvested at beginning of the period (in shares)     10,765    
Granted (in shares)     5,947    
Vested (in shares)     (5,935)    
Forfeited (in shares)     (1,833)    
Nonvested at end of the period (in shares) 8,944   8,944    
Grant Date Weighted Average Fair Value [Abstract]          
Nonvested at beginning of the period (in dollars per share) | $ / shares     $ 43.24    
Granted (in dollars per share) | $ / shares     42.22    
Vested (in dollars per share) | $ / shares     43.89    
Forfeited (in dollars per share) | $ / shares     42.29    
Nonvested at end of the period (in dollars per share) | $ / shares $ 42.32   $ 42.32    
Stock-Based Compensation Expense [Abstract]          
Stock-based compensation expense | $ $ 58 $ 50 $ 217 $ 208  
Recognized tax benefits related to stock-based compensation expense | $ 16 $ 14 61 $ 60  
Fair value of vested shares | $     260    
Stock-based compensation expense not yet recognized | $ $ 379   $ 379    
Period of recognition     3 years    
Restricted Stock [Member] | LTIP [Member] | Officers and Key Employees [Member]          
Stock-Based Compensation [Abstract]          
Vesting period     3 years    
Restricted Stock [Member] | LTIP [Member] | Key Employee Retiring in 2024 [Member]          
Stock-Based Compensation [Abstract]          
Vesting period     3 years