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Share-Based Compensation Plan (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
May 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expense in connection with equity-based awards   $ 478,000 $ 255,000 $ 0  
The 2018 LTIP          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized (in shares) 120,827 120,827     150,000
Accrued dividends $ 23,600 $ 23,600 $ 9,500    
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)   13,733 0    
Granted (in shares)   14,376 13,733    
Vested (in shares)   (7,188) 0    
Forfeited (in shares)   (2,139) 0    
Ending balance (in shares) 18,782 18,782 13,733 0  
Weighted Average Grant Date Fair Value per Share          
Beginning balance (in dollars per share)   $ 0    
Granted (in dollars per share)   34.00 43.00    
Vested (in dollars per share)   41.90 0    
Forfeited (in dollars per share)   $ 38.42 0    
Ending balance (in dollars per share)     $ 0  
Aggregate grant date fair value awards issues   $ 500,000 $ 600,000    
Unrecognized compensation cost $ 300,000 $ 300,000      
Period for recognition for remaining compensation cost   1 year 4 months 24 days      
The 2018 LTIP | Performance share unit awards          
Number of Shares          
Beginning balance (in shares)   3,966 0    
Granted (in shares)   8,094 7,932    
Performance factor decrease (in shares)   (7,312) (3,966)    
Vested (in shares)   (416) 0    
Forfeited (in shares)   (1,545) 0    
Ending balance (in shares) 2,787 2,787 3,966 0  
Weighted Average Grant Date Fair Value per Share          
Beginning balance (in dollars per share)     $ 0    
Granted (in dollars per share)   $ 34.00 43.00    
Performance factor decrease (in dollars per share)   34.23 43.00    
Vested (in dollars per share)   43.00 0    
Forfeited (in dollars per share)   $ 37.37 $ 0    
Ending balance (in dollars per share)       $ 0  
Aggregate grant date fair value awards issues   $ 300,000 $ 200,000    
Unrecognized compensation cost $ 100,000 $ 100,000      
Award vesting period   3 years      
Performance factor 0.00% 100.00% 47.50%    
Period for recognition for remaining compensation cost   1 year 4 months 24 days      
The 2018 LTIP | Performance share unit awards | Plan          
Weighted Average Grant Date Fair Value per Share          
Performance factor     100.00%