Financial Instruments and Fair Value Measurements - Summary of Other Relevant Data Related to Finance Receivables Carried at Fair Value (Details) $ in Thousands	Sep. 30, 2022 USD ($)
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	$ 100,802
Aggregate fair value of finance receivables reported at fair value	94,461
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	1,420
Aggregate fair value of receivables carried at fair value that are on nonaccrual status	1,331
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	99,887
Aggregate fair value of finance receivables reported at fair value	85,565
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	2,929
Aggregate fair value of receivables carried at fair value that are on nonaccrual status	$ 2,235