Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Accounts Payable and Accrued Liabilities
Retention amounts included in accounts payable	$ 17,200	$ 15,200
Accrued liabilities
Payroll and related employee benefits	123,412	77,887
Current operating lease liability	65,428	61,587
Casualty insurance reserves	20,004	7,107
Corporate income taxes and other taxes	34,658	7,967
Other	25,992	20,273
Total accrued liabilities	$ 269,494	$ 174,821