Fair Value Measurements (Company's Fair Value Measurements Using Level 3 Inputs) (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2024 Y	Dec. 31, 2023 Y
Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	0.2375	0.2101
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	0.75	0.75
Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	1.0980	1.233
Expected term | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	0.3	0.2
Expected term | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	0.8	1.0
Risk-free rate | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	0.0505	0.0466
Risk-free rate | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input, for the period	0.0532	0.0536