Fair Value Measurements (Company's Fair Value Measurements Using Level 3 Inputs) (Details) - Fair Value, Inputs, Level 3	3 Months Ended	9 Months Ended
	Sep. 30, 2023 Y	Sep. 30, 2023 Y
Discount rate | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	22.38	22.38
Discount rate | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	42.49	45.88
Probabilities of settlement scenarios | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	0	0
Probabilities of settlement scenarios | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	85	85
Volatility | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	106.7	101.1
Volatility | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	123.6	123.6
Expected term | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	0.2	0.2
Expected term | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	1.5	1.5
Risk-free rate | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	4.97	4.62
Risk-free rate | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	5.39	5.39