EQUITY PLANS AND SHARE-BASED COMPENSATION - Schedule of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Cost of revenue | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Total share-based compensation expense | $ 648 | $ 1,165 |
| Research and development | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Total share-based compensation expense | (772) | 2,607 |
| Sales, general and administrative | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Total share-based compensation expense | 4,583 | 5,429 |
| Total share-based compensation expense | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Total share-based compensation expense | $ 4,459 | $ 9,201 |