Transaction Costs - Schedule of Investment Transaction Costs (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Investments [Abstract] | ||||
| DOE Loan | $ 0 | $ 1,106 | $ 150 | $ 1,710 |
| GM's non-controlling interest related to the JV | 8,958 | 0 | 8,958 | 0 |
| Convertible debt Embedded Derivative | 4,379 | 0 | 4,379 | 0 |
| Other financing activities | 0 | 210 | 4,152 | 471 |
| Total | $ 13,337 | $ 1,316 | $ 17,639 | $ 2,181 |