Supplemental Balance Sheet and Income Statement Information - Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Accrued liabilities
Accrued compensation	$ 60,965	$ 64,926
Deferred revenue	31,511	37,808
Other taxes payable	35,263	39,621
Workers' compensation liabilities	6,588	6,588
Interest payable	41,887	69,174
Litigation reserves	26,979	18,681
Other accrued liabilities	9,781	10,777
Total accrued liabilities	$ 212,974	$ 247,575