Summary of Significant Accounting Policies - Property and Equipment, Net (Details) |
Dec. 31, 2023 |
|---|---|
| Equipment for merchants | |
| Property, Plant and Equipment [Line Items] | |
| Useful life of property and equipment | 2 years |
| Computer equipment and software | |
| Property, Plant and Equipment [Line Items] | |
| Useful life of property and equipment | 2 years |
| Office equipment | |
| Property, Plant and Equipment [Line Items] | |
| Useful life of property and equipment | 5 years |
| Capitalized software and website development costs | |
| Property, Plant and Equipment [Line Items] | |
| Useful life of property and equipment | 2 years |