Auto Loans Receivable - Financing Receivable, Past Due (Details) $ in Millions	Dec. 31, 2022 USD ($)
Financing Receivable, Past Due [Line Items]
Total auto loans receivable	$ 377.0
Total Past Due
Financing Receivable, Past Due [Line Items]
Total auto loans receivable	19.7
31-60 Days
Financing Receivable, Past Due [Line Items]
Total auto loans receivable	13.0
61-90 Days
Financing Receivable, Past Due [Line Items]
Total auto loans receivable	4.1
Greater than 90 Days
Financing Receivable, Past Due [Line Items]
Total auto loans receivable	2.6
Current
Financing Receivable, Past Due [Line Items]
Total auto loans receivable	$ 357.3