Fair Value Measurements - Fair Value Assumptions (Details) - Level 3	Dec. 31, 2023	Dec. 31, 2022
Underlying stock price of Level 3 investments \| Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	12.79	7.30
Underlying stock price of Level 3 investments \| Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	19.80	19.80
Underlying stock price of Level 3 investments \| Weighted Average
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	19.41	16.53
Volatility of Level 3 investments \| Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	0.750	0.560
Volatility of Level 3 investments \| Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	0.800	0.800
Volatility of Level 3 investments \| Weighted Average
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	0.797	0.741
Risk-free rate of Level 3 investments \| Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	0.013	0.013
Risk-free rate of Level 3 investments \| Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	0.042	0.043
Risk-free rate of Level 3 investments \| Weighted Average
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	0.040	0.041