Financial Instruments and Fair Value Measurements - Summary of Other Relevant Data Related to Finance Receivables Carried at Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Finance Receivables of Consolidated CFEs
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Aggregate unpaid principal balance included within finance receivables that are reported at fair value	$ 361,609	$ 84,477
Aggregate fair value of finance receivables reported at fair value	316,998	77,904
Finance Receivables of Consolidated CFEs | 90 Days or More Past Due
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Unpaid principal balance of receivables within finance receivables that are reported at fair value and are on nonaccrual status	6,700	1,097
Aggregate fair value of receivables carried at fair value that are on nonaccrual status	5,921	985
Finance Receivables at Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Aggregate unpaid principal balance included within finance receivables that are reported at fair value	36,207	89,068
Aggregate fair value of finance receivables reported at fair value	31,672	75,270
Finance Receivables at Fair Value | 90 Days or More Past Due
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Unpaid principal balance of receivables within finance receivables that are reported at fair value and are on nonaccrual status	717	1,499
Aggregate fair value of receivables carried at fair value that are on nonaccrual status	$ 544	$ 1,311