Fair Value Measurement - Sensitivity of Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of loans	$ 1,010,421	$ 252,477
Loans (at fair value)
Discount rates
100 basis point increase	(11,979)	(3,392)
200 basis point increase	(23,720)	(6,709)
Expected credit loss rates on underlying loans
10% adverse change	(11,927)	(3,959)
20% adverse change	(23,852)	(7,927)
Expected prepayment rates
10% adverse change	(2,284)	(239)
20% adverse change	(4,530)	(512)
Fair Value, Inputs, Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of loans	1,010,421	252,477
Fair Value, Inputs, Level 3 | Loans (at fair value)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of loans	$ 1,010,421	$ 252,477