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STOCK INCENTIVE PLANS - Stock Option Narratives (Details) - USD ($) shares in Millions, $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Intrinsic value of options outstanding | $ 4.6 |  | $ 7.4
Proceeds from issuance of common stock upon exercise of stock options | 0.1 | $ 0.1 |
Stock options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Share-based compensation expense not yet recognized | $ 0.2 |  |
Share-based compensation not yet recognized, recognition period (in years) | 2 months 8 days |  |
Stock options | Common stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Shares repurchased (in shares) | 0.0 | 0.0 |
Stock options | 2021 Stock Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Vesting period (in years) | 4 years |  |
Stock options | Ten Percent Holder | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Purchase price as a percentage of common stock (as a percent) | 110.00% |  |
Stock options | Other Than Ten Percent Holder |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Purchase price as a percentage of common stock (as a percent) | 100.00% |  |
Nonstatutory Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Purchase price as a percentage of common stock (as a percent) | 100.00% |  |

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