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Related Party Transactions	12 Months Ended
Related Party Transactions	Dec. 31, 2021
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions The Company may enter into transactions with related parties. Prior to the completion of the IPO, DFS Services LLC, a holder of more than 5% of the Company's outstanding capital stock, was a related party. During the years ended December 31, 2020 and 2019, the Company incurred $30.4 million and $14.4 million in Card Network fees, net, recorded within costs of revenue, to PULSE Network LLC, an entity affiliated with DFS Services LLC. The Company has an equity method investment in a private company, which is a related party. During the year ended December 31, 2021, the Company earned net revenue of $2.8 million from the private company and had $4.1 million in revenue share payable to this private company as of December 31, 2021.