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Supplemental Balance Sheet and Income Statement Information - Accrued liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Accrued liabilities |  |
Accrued compensation | $ 68,950 | $ 68,776
Deferred revenue | 59,917 | 30,902
Other taxes payable | 34,380 | 33,446
Workers' compensation liabilities | 8,148 | 6,588
Interest payable | 62,699 | 66,300
Litigation reserves | 11,782 | 10,493
Accrued professional fees | 4,451 | 2,490
Other accrued liabilities | 23,884 | 4,764
Total accrued liabilities | $ 274,211 | $ 223,759

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