BALANCE SHEET COMPONENTS - Narrative (Details) - USD ($) $ in Thousands |
Sep. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
| Accrued customer funded construction | $ 220,036 | $ 0 |
| Customer funded construction payable, current | $ 123,100 |