Leases - Schedule of Future Minimum Lease Payments Under Finance and Operating Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Finance Leases
2024	$ 251
2025	154
2026	76
2027	27
2028	1
2029 and thereafter	0
Total minimum lease payments	509
Less amount representing interest	29
Present value of minimum lease payments	480
Less current portion	236
Long-term portion	244
Operating Leases
Less current portion	224,865	$ 188,296
Long-term portion	3,298,871	$ 2,455,619
Total Operating and Finance Lease Obligations
2024	453,382
2025	435,140
2026	408,599
2027	391,762
2028	369,558
2029 and thereafter	3,682,756
Total minimum lease payments	5,741,197
Less amount representing interest	2,216,981
Present value of minimum lease payments	3,524,216
Less current portion	225,101
Long-term portion	$ 3,299,115
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Long-Term Debt and Lease Obligation, Including Current Maturities
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Current maturities of long-term debt, net, and finance leases
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Long-term debt and finance leases, less current maturities
Aircraft and Spare Engine Leases
Operating Leases
2024	$ 446,331
2025	430,843
2026	404,529
2027	388,569
2028	367,803
2029 and thereafter	3,539,416
Total minimum lease payments	5,577,491
Less amount representing interest	2,083,159
Present value of minimum lease payments	3,494,332
Less current portion	219,852
Long-term portion	3,274,480
Property Facility Leases
Operating Leases
2024	6,623
2025	4,143
2026	3,994
2027	3,166
2028	1,754
2029 and thereafter	143,340
Total minimum lease payments	163,020
Less amount representing interest	133,791
Present value of minimum lease payments	29,229
Less current portion	4,838
Long-term portion	24,391
Other
Operating Leases
2024	177
2025	0
2026	0
2027	0
2028	0
2029 and thereafter	0
Total minimum lease payments	177
Less amount representing interest	2
Present value of minimum lease payments	175
Less current portion	175
Long-term portion	$ 0

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