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Stock-Based Compensation Plans - Narrative (Details) | 12 Months Ended
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Dec. 31, 2023 USD ($) plan $ / shares shares | Dec. 31, 2022 USD ($) $ / shares | Dec. 31, 2018 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of equity compensation plans available for future grants | plan | 2 |  |
Shareholder, percent | 10.00% |  |
Stock compensation expense | $ | $ 400,000 |  |
Unrecognized compensation cost related to share-based payments | $ |  |  | $ 500,000
Unrecognized compensation cost related to share-based payments, period for recognition |  |  | 1 year 10 months 6 days
Weighted average grant date fair value (in dollars per share) | $ / shares | $ 1.16 | $ 1.29 |
Options vested (in shares) | 0 |  |
Options exercisable (in shares) | 0 |  |
Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Expected dividend yield | $ | $ 0 | $ 0 |
Restricted Stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Fair value of vested awards | $ | 300,000 | $ 500,000 |
Unrecognized compensation costs | $ | $ 200,000 |  |
Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options, exercise price as percent of weighted-average grant date fair value | 110.00% |  |
NonPrincipal Owner |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options, exercise price as percent of weighted-average grant date fair value | 100.00% |  |
NonPrincipal Owner | Maximum | Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options, expiration period | 10 years |  |
Principal Owner | Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options, expiration period | 5 years |  |
Director | Restricted Stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period | 1 year |  |
Long-Term Incentive Compensation Plan 2007 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares reserved for issuance under equity compensation plans | 3,200,000 |  |
Shares available for future grants (in shares) | 933,517 |  |
Directors’ Incentive Plan 2007 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares reserved for issuance under equity compensation plans | 250,000 |  |
Shares available for future grants (in shares) | 130,507 |  |

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