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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 |  |  |  |

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