Restricted Cash and Investments - Schedule Of Unrealized Losses That Relates To Equity Securities (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Restructuring and Related Activities [Abstract] | ||||
| Net gains (losses) recognized on equity securities | $ 0 | $ (13,754) | $ 3,188 | $ (16,872) |
| Less: net gains (losses) recognized on equity securities sold | 0 | (15,552) | 3,134 | (15,552) |
| Net unrealized gains (losses) on equity securities held at end of period | $ 0 | $ 1,798 | $ 54 | $ (1,320) |