Revenue Recognition - Additional Information (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Disaggregation Of Revenue [Line Items]
Reserve for chargebacks	$ 7.0	$ 8.2
Cumulative profit sharing payment recognized	$ 21.4	22.5
Revenue, practical expedient, incremental cost of obtaining contract	true
Accrued Expenses
Disaggregation Of Revenue [Line Items]
Reserve for chargebacks	$ 3.7	4.4
Residual Interest, 2022-1 Securitization
Disaggregation Of Revenue [Line Items]
Percentage of servicing fees earned on outstanding principal balance of finance receivable	4.00%
Residual Interest, 2022-2 and 2023-1 Securitization
Disaggregation Of Revenue [Line Items]
Percentage of servicing fees earned on outstanding principal balance of finance receivable	3.25%
Other Long-term Liabilities
Disaggregation Of Revenue [Line Items]
Reserve for chargebacks	$ 3.3	3.8
Prepaid Expenses and Other Current Assets
Disaggregation Of Revenue [Line Items]
Cumulative profit sharing payment recognized	2.0	1.6
Other Assets
Disaggregation Of Revenue [Line Items]
Cumulative profit sharing payment recognized	$ 19.4	$ 20.9