Fair Value Measurement of Assets and Liabilities - Binomial Lattice Model and Assumptions (Details) $ / shares in Units, $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2023 $ / shares	Sep. 30, 2022 USD ($)	Dec. 31, 2022 $ / shares
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Gain (Loss) on Investments | $		$ 0.9
Level 3 | Interest make-whole payment | Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.68		0.50
Level 3 | Interest make-whole payment | Stock price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Stock price | $ / shares	$ 0.42		$ 0.84
Level 3 | Interest make-whole payment | Credit spread
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.4161		0.5652
Level 3 | Interest make-whole payment | Term
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Term	1 year 7 months 2 days		2 years 4 months 2 days
Level 3 | Interest make-whole payment | Dividend yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0		0
Level 3 | Interest make-whole payment | Risk-free rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.0521		0.0435