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Employee Benefits (Details) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Employee Benefits [Abstract]    
Percentage of employee's compensation matched by company 5.00%  
Defined benefit plan, employer contribution $ 94,000 $ 65,000
Share-based Compensation [Abstract]    
Compensation expenses 286,000 302,000
Incentive Plan [Member]    
Share-based Compensation [Abstract]    
Compensation expenses $ 286,000 $ 302,000
Shares available for future grants (in shares) 706,587  
Unearned stock-based compensation expense [Abstract]    
Risk-free interest rate   0.52%
Dividend yield   2.89%
Stock price volatility   66.67%
Expected term   6 years 4 months 28 days
Incentive Plan [Member] | Stock Option [Member]    
Share-based Compensation [Abstract]    
Vesting period 4 years  
Unrecognized compensation expense $ 514,000 $ 834,000
Unvested and/or unexercised stock options (in shares) 253,375 265,750
Period for recognition of compensation cost not yet recognized 2 years 3 months 25 days 3 years 1 month 2 days
Stock Option Activity [Roll Forward]    
Outstanding at beginning of period (in shares) 264,000  
Options granted (in shares) 0  
Options exercised (in shares) 10,625  
Options forfeited (in shares) 0  
Outstanding at end of period (in shares) 253,375  
Exercisable at end of period (in shares) 141,060  
Weighted Average Exercise Price [Roll Forward]    
Outstanding at beginning of period (in dollars per share) $ 17.41  
Options granted (in dollars per share) 0  
Options exercised (in dollars per share) 18.11  
Options forfeited (in dollars per share) 0  
Outstanding at end of period (in dollars per share) 17.38  
Exercisable at end of period (in dollars per share) $ 18.18  
Options, Additional Disclosures [Abstract]    
Weighted average remaining contractual term, Outstanding 7 years 3 months 29 days  
Weighted average remaining contractual term, Exercisable 6 years 10 months 28 days  
Aggregate intrinsic value, Outstanding $ 1,580,001,000  
Aggregate intrinsic value, Exercisable 767,645,000  
Incentive Plan [Member] | RSUs [Member]    
Share-based Compensation [Abstract]    
Unrecognized compensation expense $ 2,600,000 $ 2,100,000
Period for recognition of compensation cost not yet recognized 2 years 10 months 2 days 3 years
Restricted Stock Units [Roll Forward]    
Outstanding, beginning of the period (in shares) 172,993 118,000
Shares granted (in shares) 0 25,200
Shares vested (in shares) (15,584) (6,398)
Shares forfeited (in shares) 0 0
Outstanding, end of the period (in shares) 157,409 136,802
Weighted Average Grant Date Fair Value [Abstract]    
Outstanding, beginning of period (in dollars per share) $ 17.58 $ 18.09
Shares granted (in dollars per share) 0 14.31
Shares settled (in dollars per share) 15.98 18.49
Shares forfeited (in dollars per share) 0 0
Outstanding, end of period (in dollars per share) $ 19.32 $ 17.37
Incentive Plan [Member] | Tranche One [Member] | RSUs [Member]    
Share-based Compensation [Abstract]    
Vesting period 1 year  
Incentive Plan [Member] | Tranche Two [Member] | RSUs [Member]    
Share-based Compensation [Abstract]    
Vesting period 3 years  
Incentive Plan [Member] | Tranche Three [Member] | RSUs [Member]    
Share-based Compensation [Abstract]    
Vesting period 5 years