Statement of Cash Flows (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash paid during the period for:
Interest	$ 69,007	$ 44,287
Income taxes	40,925	88,339
Non-cash investing activities:
Leasehold improvements paid by lessor	0	91
Vehicles transferred to property and equipment from inventory	945	829
Capital expenditures in accounts payable and accrued liabilities	12,834	10,347
Non-cash financing activities:
Par value of Class A common stock issued in exchange for common units in CWGS, LLC	1	42
Cost of treasury stock issued for vested restricted stock units	$ 26,165	$ 22,917