Finance Receivables - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Length of economic forecast	2 years
Length of mean reversion process	3 years
Receivables past due and accruing interest	$ 67,480	$ 61,950
Retail
Accounts, Notes, Loans and Financing Receivable [Line Items]
Approved but unfunded retail loans	$ 223,200	189,100
Threshold period past due to be charged-off	120 days
Reversal of accrued interest against interest income	$ 27,500	19,100
Receivables past due and accruing interest	67,300	62,000
Wholesale
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unused lines of credit, wholesale	1,340,000	$ 1,440,000
Reversal of accrued interest against interest income	$ 0
Texas | Finance receivables | Geographic Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk (as a percent)	11.00%
California | Finance receivables | Geographic Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk (as a percent)	10.00%