Summary of Significant Accounting Policies	6 Months Ended
Summary of Significant Accounting Policies	Jun. 30, 2022
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies The Company’s significant accounting policies are discussed in “Consolidated Financial Statements—Note 2. Summary of Significant Accounting Policies” in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2021. There have been no significant changes to these policies during the three and six months ended June 30, 2022. Segment Information The Company operates as a single operating segment. The Company's chief operating decision maker is its Chief Executive Officer, who reviews financial information presented on a consolidated basis for purposes of making operating decisions, assessing financial performance, allocating resources, and evaluating the Company's financial performance. For the three and six months ended June 30, 2022 and 2021, revenue outside of the United States, based on the billing address of the Customer, was not material. As of June 30, 2022 and December 31, 2021, long-lived assets located outside of the United States were not material. Restricted Cash Restricted cash consists of deposits with financial institutions that issue payment cards (credit, debit, or prepaid) either on their own behalf or on behalf of businesses that issue customized card products to their end users, or Issuing Banks, to provide the Issuing Bank collateral in the event that Customers’ funds are not deposited at the Issuing Banks in time to settle Customers’ transactions with the networks that provide the infrastructure for settlement and card payment information flows, or Card Networks. Restricted cash also includes cash used to secure a letter of credit for the Company’s lease of its office headquarters in Oakland, California. New Accounting Standards Not Yet Adopted As an emerging growth company, the Jumpstart Our Business Startups Act, or the JOBS Act, allows the Company to delay adoption of new or revised accounting pronouncements applicable to public companies until such pronouncements are made applicable to private companies. The Company has elected to use this extended transition period under the JOBS Act. The adoption date discussed below reflects this election. The Company will no longer qualify as an emerging growth company as of December 31, 2022. In June 2016, the FASB issued Accounting Standards Update (ASU) No. 2016-13, Financial instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. ASU 2016-13 replaces the incurred loss model with the current expected credit loss, or CECL, model to estimate credit losses for financial assets measured at amortized cost and certain off-balance sheet credit exposures. It also eliminates the concept of other-than-temporary impairment and requires credit losses related to available-for-sale debt securities to be recorded through an allowance for credit losses rather than as a reduction in the amortized cost basis of the securities. The CECL model requires a company to estimate credit losses expected over the life of the financial assets based on historical experience, current conditions, and reasonable and supportable forecasts. The guidance will be effective for the Company beginning December 31, 2022. The amendment requires a modified retrospective approach by recording a cumulative-effect adjustment to retained earnings as of the beginning of the period of adoption. Early adoption is permitted. Based on its preliminary assessment, the Company does not expect the impact of this ASU to be material on its condensed consolidated financial statements.