Concentration Risks and Significant Customers	9 Months Ended
Sep. 30, 2024
Risks and Uncertainties [Abstract]
Concentration Risks and Significant Customers	Concentration Risks and Significant Customers Financial instruments that potentially expose the Company to concentration of credit risk consist of cash and cash equivalents, short-term investments, and accounts receivable. Cash on deposit with financial institutions may exceed federally insured limits. As of September 30, 2024 and December 31, 2023, short-term investments were $217.6 million and $268.7 million, respectively, and there was no concentration of securities of the same issuer with an aggregate fair value greater than 5% of the total balance, except for U.S. treasury securities, which amounted to $207.0 million, or 95% of the short-term investment balance at September 30, 2024 and $255.2 million, or 95% of the short-term investment balance at December 31, 2023, respectively. As of September 30, 2024 and December 31, 2023, all debt securities within the Company's portfolio are investment grade. A significant portion of the Company's payment transactions are settled through one Issuing Bank, Sutton Bank. For the three months ended September 30, 2024 and 2023, 69% and 75% of Total Processing Volume, which is the total dollar amount of payments processed through the Company’s platform, net of returns and chargebacks, was settled through Sutton Bank, respectively. For the nine months ended September 30, 2024 and 2023, 72% and 77% of Total Processing Volume was settled through Sutton Bank, respectively. A significant portion of the Company's revenue is derived from one customer. For the three months ended September 30, 2024 and 2023, this customer accounted for 47% and 50% of the Company’s net revenue, respectively. For the nine months ended September 30, 2024 and 2023, this customer accounted for 48% and 72% of the Company’s net revenue, respectively. As of September 30, 2024, three separate customers accounted for 16%, 13% and 10% of the Company’s accounts receivable balance.

Financial instruments that potentially expose the Company to concentration of credit risk consist of cash and cash equivalents, short-term investments, and accounts receivable. Cash on deposit with financial institutions may exceed federally insured limits.

As of September 30, 2024 and December 31, 2023, short-term investments were $217.6 million and $268.7 million, respectively, and there was no concentration of securities of the same issuer with an aggregate fair value greater than 5% of the total balance, except for U.S. treasury securities, which amounted to $207.0 million, or 95% of the short-term investment balance at September 30, 2024 and $255.2 million, or 95% of the short-term investment balance at December 31, 2023, respectively. As of September 30, 2024 and December 31, 2023, all debt securities within the Company's portfolio are investment grade.

A significant portion of the Company's payment transactions are settled through one Issuing Bank, Sutton Bank. For the three months ended September 30, 2024 and 2023, 69% and 75% of Total Processing Volume, which is the total dollar amount of payments processed through the Company’s platform, net of returns and chargebacks, was settled through Sutton Bank, respectively. For the nine months ended September 30, 2024 and 2023, 72% and 77% of Total Processing Volume was settled through Sutton Bank, respectively.

A significant portion of the Company's revenue is derived from one customer. For the three months ended September 30, 2024 and 2023, this customer accounted for 47% and 50% of the Company’s net revenue, respectively. For the nine months ended September 30, 2024 and 2023, this customer accounted for 48% and 72% of the Company’s net revenue, respectively. As of September 30, 2024, three separate customers accounted for 16%, 13% and 10% of the Company’s accounts receivable balance.