Statement of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash paid during the period for:
Interest	$ 72,458	$ 105,776	$ 94,591
Income taxes	52,938	5,900	17,683
Non-cash investing activities:
Derecognized property and equipment for leases that qualified as operating leases after completion of construction			(4,628)
Leasehold improvements paid by lessor	37	21,749	27,022
Vehicles transferred to property and equipment from inventory	70	827	919
Derecognition of non-tenant improvements			8,134
Capital expenditures in accounts payable and accrued liabilities	3,738	3,158	8,441
Non-cash financing activities:
Par value of Class A common stock issued in exchange for common units in CWGS, LLC	48		3
Par value of Class A common stock issued for vested restricted stock units	$ 3	4	3
Par value of Class A common stock repurchased for withholding taxes on vested RSUs		$ (1)	$ (1)