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REVENUE AND CERTAIN STATEMENT OF OPERATIONS COMPONENTS - Narratives (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue
Cashback rewards	$ 2,500	$ 2,000	$ 4,800	$ 4,000
Revenue	35,764	33,288	71,838	66,823
Volume-based incentives income	800		1,000
Consideration from a vendor, net		3,100		6,300
Interchange
Disaggregation of Revenue
Revenue	$ 5,300	$ 500	$ 10,300	$ 500

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