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Share-based Compensation and Employee Benefit Plan - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended 42 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Nov. 20, 2022
Dec. 31, 2011
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Salaries and benefits $ 4,661,000 $ 3,763,000 $ 8,928,000 $ 7,109,000      
Payments of ordinary dividends, common stock         $ 0    
Employer matching contribution, match     50.00%        
Employer matching contribution, percent of employees' gross pay     6.00%        
Defined contribution plan, cost 82,000 67,000 $ 157,000 141,000      
Restricted Stock              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Cost not yet recognized, amount $ 190,000   $ 190,000   $ 190,000    
Cost not yet recognized, period for recognition     2 years 3 months 18 days        
2012 Stock Plan              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Number of shares authorized (in shares)           400,000 3,000,000
Number of shares available for grant (in shares) 234,617   234,617   234,617    
Share based compensation expense $ 23,000 20,000 $ 46,000 41,000      
2012 Stock Plan | Maximum              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Shares approved for issuance           $ 300,000  
2012 Stock Plan | Share-Based Payment Arrangement, Employee              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Share based compensation expense 14,000 8,000 9,000 16,000      
2012 Stock Plan | Share-Based Payment Arrangement, Nonemployee              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Share based compensation expense 28,000 12,000 18,000 25,000      
Salaries and benefits $ 53,000 $ 37,000 $ 108,000 $ 100,000      
2012 Stock Plan | Restricted Stock | Share-Based Payment Arrangement, Tranche One              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Award vesting period     3 years        
2012 Stock Plan | Restricted Stock | Share-Based Payment Arrangement, Tranche Two              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Award vesting period     4 years        
2012 Stock Plan | Restricted Stock | Share-Based Payment Arrangement, Tranche Three              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Award vesting period     5 years