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Fair Value Measurements (Company's Fair Value Measurements Using Level 3 Inputs) (Details) - Fair Value, Inputs, Level 3 | 9 Months Ended | 12 Months Ended
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Sep. 30, 2025 USD ($) | Dec. 31, 2024 Y
Discount rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt instrument, measurement input, for the period | 0.1859 |
Discount rate | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt instrument, measurement input, for the period |  | 0.1567
Discount rate | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt instrument, measurement input, for the period |  | 0.2828
Probabilities of settlement scenarios | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt instrument, measurement input, for the period | 0 | 0
Probabilities of settlement scenarios | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt instrument, measurement input, for the period | 0.65 | 0.75
Volatility |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt instrument, measurement input, for the period | 0.935 |
Volatility | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt instrument, measurement input, for the period |  | 0.833
Volatility | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt instrument, measurement input, for the period |  | 1.116
Expected term (in years) | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt instrument, measurement input, for the period | 0.3 | 0.1
Expected term (in years) | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt instrument, measurement input, for the period | 0.5 | 1.2
Risk-free rate | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt instrument, measurement input, for the period | 3.79 | 0.0408
Risk-free rate | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt instrument, measurement input, for the period | 3.94 | 0.0533

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