Summary of Significant Accounting Policies - Property, equipment and software (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2022 | |
| Computer equipment | Minimum | |
| Property, equipment and software | |
| Estimated useful life | 1 year |
| Computer equipment | Maximum | |
| Property, equipment and software | |
| Estimated useful life | 3 years |
| Office equipment | |
| Property, equipment and software | |
| Estimated useful life | 3 years |
| Purchased software | Minimum | |
| Property, equipment and software | |
| Estimated useful life | 3 years |
| Purchased software | Maximum | |
| Property, equipment and software | |
| Estimated useful life | 5 years |