Summary of Significant Accounting Policies - Non-Current Assets by Geographical Area (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Non-current assets | $ 142,511 | $ 136,473 |
| UNITED STATES | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Non-current assets | 8,830 | 7,209 |
| UNITED KINGDOM | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Non-current assets | 26,092 | 28,419 |
| EUROPEAN UNION | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Non-current assets | $ 107,589 | $ 100,845 |