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Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 191.3	$ 152.8	$ 503.8	$ 465.7
Credit cards
Disaggregation of Revenue [Line Items]
Revenue	45.3	54.0	141.4	166.5
Loans
Disaggregation of Revenue [Line Items]
Revenue	23.8	32.9	66.9	78.0
SMB products
Disaggregation of Revenue [Line Items]
Revenue	27.8	24.7	84.3	73.6
Emerging verticals
Disaggregation of Revenue [Line Items]
Revenue	$ 94.4	$ 41.2	$ 211.2	$ 147.6

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