Business Segment Information - Long-lived assets by geographic area (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2025 |
Dec. 31, 2024 |
|
| Segment Reporting Information [Line Items] | ||
| Total Long-Lived Assets | $ 493,583 | $ 428,728 |
| US | ||
| Segment Reporting Information [Line Items] | ||
| Total Long-Lived Assets | 372,714 | 332,162 |
| GB | ||
| Segment Reporting Information [Line Items] | ||
| Total Long-Lived Assets | 28,300 | 27,003 |
| CN | ||
| Segment Reporting Information [Line Items] | ||
| Total Long-Lived Assets | 36,614 | 36,315 |
| Other | ||
| Segment Reporting Information [Line Items] | ||
| Total Long-Lived Assets | $ 55,955 | $ 33,248 |