Revenue Recognition - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Disaggregation Of Revenue [Line Items]
Reserve for chargebacks	$ 10.2	$ 9.6
Cumulative profit sharing payment recognized	$ 19.7	17.9
Percentage of servicing fees earned on outstanding principal balance of finance receivable	4.00%
Revenue, practical expedient, incremental cost of obtaining contract	true
Accrued Expenses
Disaggregation Of Revenue [Line Items]
Reserve for chargebacks	$ 5.7	5.5
Other Long-term Liabilities
Disaggregation Of Revenue [Line Items]
Reserve for chargebacks	4.5	4.1
Prepaid Expenses and Other Current Assets
Disaggregation Of Revenue [Line Items]
Cumulative profit sharing payment recognized	1.1	0.9
Other Assets
Disaggregation Of Revenue [Line Items]
Cumulative profit sharing payment recognized	$ 18.6	$ 17.0