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v3.26.1

Fair Value - Narrative (Details) $ in Thousands |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 01, 2025 USD ($) | Dec. 31, 2024 USD ($) yr | Oct. 01, 2024 USD ($) | Dec. 31, 2025 USD ($) yr | Sep. 30, 2025 USD ($) yr | May 15, 2025 | Apr. 14, 2025 | Oct. 22, 2024 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Conversion of AFX available-for-sale term loan into equity method investments |  | $ 0 | $ 0 | $ 8,757 |  |  |  |
Convertible debt | Convertible Promissory Notes Due 2025 |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Interest Rates |  | 8.00% |  |  |  |  |  |
August 2025 Notes | Convertible debt |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Embedded Derivative, Fair Value of Embedded Derivative Liability |  |  |  |  | $ 1,677 |  |  |
AeroFlexx |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Conversion of AFX available-for-sale term loan into equity method investments | $ 7,300 |  |  |  |  |  |  |
WTI Warrants |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Warrant term |  |  |  |  |  |  |  | 4 years
2024 WTI Warrants |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Cash amount warrants may be exchanged for |  |  |  |  |  |  |  | $ 15,000
Dividend Yield |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Earnout shares, measurement input |  |  |  | 0 |  |  |  |
Stock price |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Earnout shares, measurement input |  | 13.85 |  | 4.18 |  |  |  |
Embedded derivative, measurement input |  |  |  |  | 36.49 |  |  |
Stock price | 2025 WTI Warrants |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Warrants, measurement input |  |  |  |  |  |  | 3.65 |
Stock price | 2024 WTI Warrants |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Warrants, measurement input |  | 13.85 |  | 4.18 |  |  |  |
Volatility |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Earnout shares, measurement input |  | 0.5600 |  | 0.6000 |  |  |  |
Embedded derivative, measurement input |  |  |  |  | 0.7000 |  |  |
Volatility | 2025 WTI Warrants |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Warrants, measurement input |  |  |  |  |  |  | 0.5700 |
Volatility | 2024 WTI Warrants |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Warrants, measurement input |  | 0.5600 |  | 0.6000 |  |  |  |
Credit spread | 2025 WTI Warrants |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Warrants, measurement input |  |  |  |  |  |  | 0.2770 |
Credit spread | 2024 WTI Warrants |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Warrants, measurement input |  | 0.1880 |  | 0.2600 |  |  |  |
Risk-free rate |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Earnout shares, measurement input |  | 0.0442 |  | 0.0377 |  |  |  |
Embedded derivative, measurement input |  |  |  |  | 0.0366 |  |  |
Time to liquidity |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Earnout shares, measurement input | yr |  | 6.8 |  | 5.8 |  |  |  |
Embedded derivative, measurement input | yr |  |  |  |  | 4.25 |  |  |
Debt yield |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Embedded derivative, measurement input |  |  |  |  |  | 0.426 | 0.445 |

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