Supplemental Balance Sheet and Income Statement Information - Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accrued liabilities
Accrued compensation	$ 67,219	$ 51,993
Deferred revenue and proceeds on insurance and asset sales	27,525	59,816
Other taxes payable	32,665	34,333
Workers' compensation liabilities	6,588	6,588
Interest payable	70,333	71,814
Litigation reserves	16,432	14,939
Other accrued liabilities	12,041	7,688
Total accrued liabilities	$ 232,803	$ 247,171