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Stock-Based Compensation - Narrative (Details) $ in Thousands | 3 Months Ended | 42 Months Ended
--- | --- | ---
Mar. 31, 2024 USD ($) plan shares | Mar. 31, 2023 USD ($) shares | Mar. 31, 2024 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of plans | plan | 2 |  |
Stock-based compensation expense | $ | $ 1,391 | $ 2,090 |
Restricted shares |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation cost not yet recognized, period of recognition | 1 year 8 months 12 days |  |
RSU compensation cost not yet recognized | $ | $ 6,466 |  | $ 6,466
Fair value of vested RSUs | $ | $ 782 |  |
2014 Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options granted (in shares) | 0 | 0 |
2014 Plan | Stock options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options granted (in shares) |  |  | 0
2014 Plan | Minimum | Stock options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 1 year |  |
2014 Plan | Maximum | Stock options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 4 years |  |
2014 Plan | Nonemployee | Stock options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options granted (in shares) | 0 | 0 |
2021 Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options granted (in shares) | 0 | 0 |
Compensation cost not yet recognized | $ | $ 335 |  | $ 335
Compensation cost not yet recognized, period of recognition | 7 months 6 days |  |
2021 Plan | Stock options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Common stock authorized for issuance (in shares) | 639,467 |  | 639,467
2021 Plan | Minimum | Stock options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 1 year |  |
2021 Plan | Maximum | Stock options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 4 years |  |

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