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Income Taxes - Net Deferred Tax Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Deferred tax assets (DTAs): |  |
Net operating loss and tax credit carryforwards | $ 94,092 | $ 89,910
Unrealized mark-to-market, impairments and loss provisions | 20,146 | 18,004
Other realized / unrealized treatment differences | (44,152) | (45,234)
Total deferred tax assets | 70,086 | 62,680
Less: valuation allowance | (70,086) | (62,680)
Net deferred tax assets | $ 0 | $ 0

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