Financial Instruments and Fair Value Measurements - Summary of Other Relevant Data Related to Debt of Securitized VIEs Carried at Fair Value (Details) - Securitization Debt of Consolidated VIEs - Rated Notes - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Aggregate unpaid principal balance of rated notes of securitized VIEs	$ 177,942	$ 318,085
Aggregate fair value of rated notes of securitized VIEs	$ 167,716	$ 314,095