10. Commitments and Contingencies (Details) - Solar Module Collection and Recycling Liability - USD ($) $ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Commitments and Contingencies Disclosure [Abstract] | ||
| Accrued solar module collection and recycling liability | $ 144,599 | $ 134,394 |