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Benefit Plans (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | May 16, 2022
Allocated share-based compensation expense | $ 386 | $ 434 | $ 873 | $ 1,967 |
Compensation cost not yet recognized | $ 800 |  | $ 800 |  |
Period for recognition |  |  | 1 year 2 months 12 days |  |
Percentage of annual retainer received in either common stock or deferred stock rights |  |  | 100.00% |  |
Plan 2013 |  |  |  |  |
Number of shares authorized (in shares) | 750,000 |  | 750,000 |  |
Plan 2022 |  |  |  |  |
Number of shares authorized (in shares) |  |  |  |  | 400,000
Share-based Payment Arrangement, Expense | $ 200 | 100 | $ 600 | 100 |
Director |  |  |  |  |
Common stock shares reserved for future grants (in shares) |  |  | 180,000 |  |
Plan 2022 | Restricted Stock Units |  |  |  |  |
Compensation cost not yet recognized | 1,600 |  | $ 1,600 |  |
Period for recognition |  |  | 2 years 1 month 6 days |  |
Voting and Nonvoting Common Stock | Voting and Nonvoting Common Stock |  |  |  |  |
Allocated share-based compensation expense | 386 | 434 | $ 873 | 1,967 |
Voting and Nonvoting Common Stock | Voting and Nonvoting Common Stock | Plan 2013 |  |  |  |  |
Allocated share-based compensation expense | $ 200 | $ 400 | $ 300 | $ 2,000 |

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