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Segment and Geographic Information - Information Regarding Long-Lived Assets in Geographic Areas (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Long-lived assets: |  |
Total long-lived assets | $ 860,357 | $ 688,771
EMEA |  |
Long-lived assets: |  |
Total long-lived assets | 425,185 | 346,198
Americas |  |
Long-lived assets: |  |
Total long-lived assets | 334,110 | 261,297
APAC |  |
Long-lived assets: |  |
Total long-lived assets | 101,062 | 81,276
UNITED KINGDOM |  |
Long-lived assets: |  |
Total long-lived assets | $ 293,800 | $ 251,900
UNITED KINGDOM | Long-Lived Assets Benchmark | Geographic Concentration Risk |  |
Long-lived assets: |  |
Concentration risk | 10.00% | 10.00%
UNITED STATES |  |
Long-lived assets: |  |
Total long-lived assets | $ 325,900 | $ 255,500
UNITED STATES | Long-Lived Assets Benchmark | Geographic Concentration Risk |  |
Long-lived assets: |  |
Concentration risk | 10.00% | 10.00%

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