Equity Incentive Plans (Assumptions Used in the Black-Scholes Model) (Details) - Common Stock Options	12 Months Ended
	Dec. 31, 2025 Y	Dec. 31, 2024 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	4.22	3.54
Minimum | Expected volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value input, equity securities	99.64	89.4
Minimum | Expected term (in years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value input, equity securities	5.5	5.1
Maximum | Risk-free interest rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value input, equity securities	4.28	4.25
Maximum | Expected volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value input, equity securities	101.43	92.5
Maximum | Expected term (in years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value input, equity securities	7	7