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Equity Incentive Plans (Assumptions Used in the Black-Scholes Model) (Details) - Common Stock Options | 9 Months Ended
--- | ---
Sep. 30, 2025 USD ($) Y | Sep. 30, 2024 USD ($) Y
Expected dividend yield |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value input, equity securities | 0 | 0
Minimum | Risk-free interest rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value input, equity securities | 0.0422 | 0.0424
Minimum | Expected volatility |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value input, equity securities | 0.996 | 0.894
Minimum | Expected term (in years) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value input, equity securities | Y | 5.5 | 5.1
Maximum | Risk-free interest rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value input, equity securities | 0.0428 | 0.0425
Maximum | Expected volatility |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value input, equity securities | 1.014 | 0.925
Maximum | Expected term (in years) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value input, equity securities | $ | 7 | 7

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