Fair Value Measurements - Quantitations and Assumptions for Fair Value of Assets Serviced by Third Party (Details) - Level 3 - Fair Value, Measurements, Recurring	6 Months Ended
	Jun. 30, 2023
Weighted Average | Warrant | Measurement Input, Price Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Volatility	0.275
Weighted Average | Corporate Debt Securities | Spread to 10 Year Treasury
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Volatility	0.055
Weighted Average | Corporate Debt Securities | Discount Rates
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Volatility	0.094
Minimum | Warrant | Measurement Input, Price Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Volatility	0.198
Minimum | Corporate Debt Securities | Spread to 10 Year Treasury
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Corporate Debt, Measurement Input	4.00%
Minimum | Corporate Debt Securities | Measurement Input, Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Corporate Debt, Measurement Input	7.90%
Maximum | Warrant | Measurement Input, Price Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Volatility	1.533
Maximum | Corporate Debt Securities | Spread to 10 Year Treasury
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Corporate Debt, Measurement Input	6.90%
Maximum | Corporate Debt Securities | Measurement Input, Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Corporate Debt, Measurement Input	10.80%