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Background and Business Description AMPS Exchange (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Stockholders' Equity Attributable to Noncontrolling Interest | $ 197,755 | $ 52,958
Preferred stock, shares outstanding (in shares) | 0 | 0
Ambac Assurance Corporation |  |
Preferred stock, liquidation preference, value | $ 114,900 | $ 114,900
Stockholders' Equity Attributable to Noncontrolling Interest | $ 50,918 |
Preferred stock, shares outstanding (in shares) | 4,596 | 4,596

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