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STOCK-BASED COMPENSATION - Stock-Based Compensation Plans (Details) |  |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2023 shares | Jun. 08, 2023 shares | Jun. 09, 2022 shares | Jul. 28, 2016 shares | Jul. 24, 2014 shares | Dec. 31, 2023 USD ($) item shares | Dec. 31, 2022 shares
Stock-based compensation |  |  |  |  |  |  |
Period by which all options to purchase common stock will accelerate upon an acquisition of the company |  |  |  |  |  | 1 year |
Shares outstanding (in shares) | 1,286,173 |  |  |  |  | 1,286,173 | 1,517,876
Shares available for future grant (in shares) | 17,880,354 |  |  |  |  | 17,880,354 |
Omnibus Long Term Incentive Plan 2019 |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Further grants or awards after termination of plan (in shares) |  |  |  |  |  | 0 |
Shares available for future grant (in shares) | 16,046,161 |  |  |  |  | 16,046,161 |
Increase in number of shares reserved for issuance (in shares) |  | 4,340,000 | 14,000,000 |  |  |  |
Omnibus Long Term Incentive Plan 2019 | Minimum |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 3 years |
Omnibus Long Term Incentive Plan 2019 | Maximum |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 4 years |
Omnibus Long Term Incentive Plan 2019 | Stock Options |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Expiration period from the date of grant |  |  |  |  |  | 10 years |
Shares outstanding (in shares) | 404,833 |  |  |  |  | 404,833 |
Omnibus Long Term Incentive Plan 2019 | Restricted Stock |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Shares outstanding (in shares) | 7,867,224 |  |  |  |  | 7,867,224 |
Omnibus Long Term Incentive Plan 2010 |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Further grants or awards after termination of plan (in shares) |  |  |  |  |  | 0 |
Shares available for future grant (in shares) | 0 |  |  |  |  | 0 |
Omnibus Long Term Incentive Plan 2010 | Minimum |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 3 years |
Omnibus Long Term Incentive Plan 2010 | Maximum |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 4 years |
Omnibus Long Term Incentive Plan 2010 | Stock Options |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Expiration period from the date of grant |  |  |  |  |  | 10 years |
Shares outstanding (in shares) | 881,340 |  |  |  |  | 881,340 |
Omnibus Long Term Incentive Plan 2010 | Restricted Stock |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Shares outstanding (in shares) | 3,340 |  |  |  |  | 3,340 |
Employee Stock Purchase Plan 2010 |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Shares available for future grant (in shares) | 1,834,193 |  |  |  |  | 1,834,193 |
Increase in number of shares reserved for issuance (in shares) |  |  | 3,000,000 | 2,000,000 | 500,000 |  |
Option exercise price, expressed as a percentage of fair market value |  |  |  |  |  | 85.00% |
Maximum value of shares that an employee is permitted to purchase | $ |  |  |  |  |  | $ 25,000 |
Number of shares (in shares) | 3,965,807 |  |  |  |  | 924,448 |
Employee Stock Purchase Plan 2010 | Minimum |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Number of hours per week of customary employment required to participate in the plan | item |  |  |  |  |  | 20 |
Number of months of customary employment required to participate in the plan |  |  |  |  |  | 5 months |
Percentage of employee's compensation to be deducted from the employee's pay |  |  |  |  |  | 1.00% |
Employee Stock Purchase Plan 2010 | Maximum |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Percentage of employee's compensation to be deducted from the employee's pay |  |  |  |  |  | 15.00% |

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