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Income Taxes - Net Deferred Tax Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Deferred tax assets (DTAs): |  |
Net operating loss and tax credit carryforwards | $ 102,603 | $ 89,910
Unrealized mark-to-market, impairments and loss provisions | 17,644 | 18,004
Other realized / unrealized treatment differences | (34,672) | (45,234)
Total deferred tax assets | 85,575 | 62,680
Less: valuation allowance | (85,575) | (62,680)
Net deferred tax assets | $ 0 | $ 0

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