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Share-Based Compensation Plan (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
May 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense in connection with equity-based awards $ 854,000 $ 643,000 $ 478,000  
The 2018 LTIP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized (in shares) 55,809     150,000
Accrued dividends $ 82,500 $ 50,800    
The 2018 LTIP | Restricted stock units awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting rights, percentage 33.00%      
Number of Shares        
Beginning balance (in shares) 27,490 18,782 13,733  
Granted (in shares) 26,369 20,346 14,376  
Vested (in shares) (14,244) (9,578) (7,188)  
Forfeited (in shares) (1,350) (2,060) (2,139)  
Ending balance (in shares) 38,265 27,490 18,782  
Weighted Average Grant Date Fair Value per Share        
Beginning balance (in dollars per share) $ 28.64 $ 37.05 $ 43.00  
Granted (in dollars per share) 29.70 24.85 34.00  
Vested (in dollars per share) 30.20 36.36 41.90  
Forfeited (in dollars per share) 28.92 30.07 38.42  
Ending balance (in dollars per share) $ 28.78 $ 28.64 $ 37.05  
Aggregate grant date fair value awards issues $ 800,000 $ 500,000 $ 500,000  
Unrecognized compensation cost $ 400,000      
Period for recognition for remaining compensation cost 1 year 4 months 24 days      
The 2018 LTIP | Restricted stock units awards | Minimum        
Weighted Average Grant Date Fair Value per Share        
Granted (in dollars per share) $ 29.70 $ 24.77    
The 2018 LTIP | Restricted stock units awards | Maximum        
Weighted Average Grant Date Fair Value per Share        
Granted (in dollars per share) $ 30.00 $ 26.23    
The 2018 LTIP | Performance share unit awards        
Number of Shares        
Beginning balance (in shares) 16,241 2,787 3,966  
Granted (in shares) 12,205 10,781 8,094  
Performance factor increase (decrease) (in shares) (4,493) 3,981 (7,312)  
Vested (in shares) (2,461) (713) (416)  
Forfeited (in shares) 0 (595) (1,545)  
Ending balance (in shares) 21,492 16,241 2,787  
Weighted Average Grant Date Fair Value per Share        
Beginning balance (in dollars per share) $ 27.67 $ 43.00 $ 43.00  
Granted (in dollars per share) 29.70 24.92 34.00  
Performance factor decrease (in dollars per share) 29.70 24.92 34.23  
Vested (in dollars per share) 43.00 28.55 43.00  
Forfeited (in dollars per share) 0 30.22 37.37  
Ending balance (in dollars per share) $ 26.64 $ 27.67 $ 43.00  
Aggregate grant date fair value awards issues $ 400,000 $ 200,000 $ 300,000  
Unrecognized compensation cost $ 300,000      
Award vesting period 3 years      
Performance factor 100.00% 100.00% 0.00%  
Period for recognition for remaining compensation cost 1 year 8 months 12 days      
The 2018 LTIP | Performance share unit awards | Plan        
Weighted Average Grant Date Fair Value per Share        
Performance factor 63.10% 138.50% 100.00%  
The 2018 LTIP | Performance share unit awards | Minimum        
Weighted Average Grant Date Fair Value per Share        
Granted (in dollars per share)   $ 24.77    
The 2018 LTIP | Performance share unit awards | Maximum        
Weighted Average Grant Date Fair Value per Share        
Granted (in dollars per share)   $ 26.23