BALANCE SHEET COMPONENTS - Narrative (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
| Accrued customer funded construction, net, current | $ 187.7 | $ 290.6 |
| Customer funded construction payable, current | $ 128.0 | $ 46.6 |