Leases - Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Leases
Facility operating expense	$ 7,105	$ 6,329	$ 12,606
Facility lease expense	202,410	165,294	174,358
Operating lease expense	209,515	171,623	186,964
Operating lease expense adjustment	45,739	34,896	23,280
Changes in operating lease assets and liabilities for lessor capital expenditure reimbursements	(9,844)	(13,718)	(30,965)
Operating net cash outflows from operating leases	245,410	192,801	179,279
Financing Leases
Depreciation and amortization	16,444	38,126	37,921
Interest expense: financing lease obligations	21,950	48,061	46,282
Financing lease expense	38,394	86,187	84,203
Operating cash outflows from financing leases	21,950	48,061	46,282
Financing cash outflows from financing leases	8,473	22,221	19,874
Changes in financing lease assets and liabilities for lessor capital expenditure reimbursement	(475)	(11,932)	(11,135)
Total net cash outflows from financing leases	$ 29,948	$ 58,350	$ 55,021