Summary of Significant Accounting Policies - Property and equipment (Details) |
Dec. 31, 2024 |
|---|---|
| Computer hardware | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 5 years |
| Office equipment | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 5 years |
| Furniture and fixtures | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 7 years |
| Building | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 40 years |
| Purchased computer software | Minimum | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 3 years |
| Purchased computer software | Maximum | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 5 years |
| Leasehold improvements | |
| Property, Plant and Equipment [Line Items] | |
| Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration] | us-gaap:UsefulLifeShorterOfTermOfLeaseOrAssetUtilityMember |