Fair Value Measurements - Quantitations and Assumptions for Fair Value of Assets Serviced by Third Party (Details) - Level 3 - Fair Value, Measurements, Recurring	3 Months Ended
	Mar. 31, 2023
Weighted Average | Warrant | Measurement Input, Price Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Volatility	0.279
Weighted Average | Corporate Debt Securities | Spread to 10 Year Treasury
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Volatility	0.059
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	0.227
Minimum | Corporate Debt Securities | Spread to 10 Year Treasury
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Corporate Debt, Measurement Input	4.20%
Minimum | Corporate Debt Securities | Measurement Input, Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Corporate Debt, Measurement Input	7.70%
Maximum | Warrant | Measurement Input, Price Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Volatility	1.040
Maximum | Corporate Debt Securities | Spread to 10 Year Treasury
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Corporate Debt, Measurement Input	7.70%
Maximum | Corporate Debt Securities | Measurement Input, Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Corporate Debt, Measurement Input	11.20%