STOCK-BASED COMPENSATION - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Stock-based Compensation Expense [Abstract] | ||||
| Stock-based compensation expense | $ 6,583 | $ 9,770 | $ 12,204 | $ 19,587 |
| Income Statement Location [Axis]: us-gaap:CostOfRevenue | ||||
| Stock-based Compensation Expense [Abstract] | ||||
| Stock-based compensation expense | 177 | 356 | 525 | 885 |
| Income Statement Location [Axis]: us-gaap:GeneralAndAdministrativeExpense | ||||
| Stock-based Compensation Expense [Abstract] | ||||
| Stock-based compensation expense | 3,544 | 4,738 | 5,483 | 9,094 |
| Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense | ||||
| Stock-based Compensation Expense [Abstract] | ||||
| Stock-based compensation expense | 1,532 | 2,580 | 3,374 | 5,355 |
| Income Statement Location [Axis]: us-gaap:SellingAndMarketingExpense | ||||
| Stock-based Compensation Expense [Abstract] | ||||
| Stock-based compensation expense | $ 1,330 | $ 2,096 | $ 2,822 | $ 4,253 |