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Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 538.9	$ 379.6	$ 245.3
Contract assets	5.8	3.0
Credit cards
Disaggregation of Revenue [Line Items]
Revenue	210.3	123.8	78.2
Loans
Disaggregation of Revenue [Line Items]
Revenue	109.1	126.4	81.3
Other verticals
Disaggregation of Revenue [Line Items]
Revenue	$ 219.5	$ 129.4	$ 85.8

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