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Accounting for Share-Based Payments - Narrative (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares authorized (in shares) | 800,000 |
Options available (in shares) | 400,000 |
Compensation expense | $ 1,100,000 | $ 1,400,000
Total unrecognized compensation cost | 800,000 |
2024 | 600,000 |
2025 | 100,000 |
Thereafter | $ 100,000 |
Nonvested award, cost not yet recognized, period for recognition | 1 year 6 months 25 days |
Share-based compensation expense | $ 1,023,000 | $ 1,355,000
Non Employee Director | Restricted Stock |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Nonvested award, cost not yet recognized, period for recognition | 1 year 2 months 23 days |
Vesting period | 1 year |
Noninterest expense directors fees | $ 115,000 |
Maximum annual retainer percent | 100.00% |
Stock issued during period, shares, restricted stock award | 27,432 |
Stock issued during period, value, restricted stock award | $ 300,000 |
Non Employee Director | Restricted Stock | Audit Committee |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Noninterest expense directors fees | 10,000 |
Non Employee Director | Restricted Stock | Compensation Committee |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Noninterest expense directors fees | 7,500 |
Non Employee Director | Restricted Stock | Nominating and Corporate Governance Committee |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Noninterest expense directors fees | 6,000 |
Maximum | Non Employee Director | Restricted Stock |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Noninterest expense directors fees | 30,000 |
Stock Options |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based compensation expense | $ 0 |
Stock Awards |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Nonvested award, cost not yet recognized, period for recognition | 1 year 6 months 14 days |
Vesting period | 3 years |
Granted (in dollars per share) | $ 9.74 |
Performance Shares |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Nonvested award, cost not yet recognized, period for recognition | 1 year 8 months 15 days |
Target period for vesting | 3 years |
Granted (in dollars per share) | $ 0.64 | $ 3.92
Options, vested in period, fair value | $ 0 | $ 0
Inducement Awards |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Nonvested award, cost not yet recognized, period for recognition | 6 months 3 days |
Options, vested in period, fair value | $ 0 | $ 200,000
Inducement Awards | Tranche I |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage | 50.00% |
Inducement Awards | Tranche II |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage | 50.00% |
2011 Plan | Stock Options |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Expected term | 10 years |
Period after grant date, awards vesting begins | 1 year |
2011 Plan | Stock Options | Minimum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage | 20.00% |
2011 Plan | Stock Options | Maximum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage | 33.00% |
2015 Stock Awards Plan | Stock Awards |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage | 100.00% |
Period after grant date, awards vesting begins | 1 year |
2015 Stock Awards Plan | Stock Awards | Minimum | Tranche I |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage | 20.00% |
2015 Stock Awards Plan | Stock Awards | Minimum | Tranche II |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage | 20.00% |
2015 Stock Awards Plan | Stock Awards | Minimum | Tranche III |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage | 20.00% |
2015 Stock Awards Plan | Stock Awards | Minimum | Tranche IV |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage | 20.00% |
2015 Stock Awards Plan | Stock Awards | Minimum | Tranche V |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage | 20.00% |
2015 Stock Awards Plan | Stock Awards | Maximum | Tranche I |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage | 33.00% |
2015 Stock Awards Plan | Stock Awards | Maximum | Tranche II |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage | 33.00% |
2015 Stock Awards Plan | Stock Awards | Maximum | Tranche III |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage | 33.00% |

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