Leases Finance and Operating Lease Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Finance Leases
remainder of 2020	$ 381
2021	753
2022	725
2023	349
2024	98
2025 and thereafter	0
Total minimum lease payments	2,306
Less amount representing interest	192
Present value of minimum lease payments	2,114
Less current portion	658
Long-term portion	1,456
Operating Leases
Less current portion	128,536	$ 120,662
Long-term portion	1,269,670	$ 1,218,014
Total Operating and Finance Lease Obligations
remainder of 2020	104,923
2021	209,458
2022	210,218
2023	196,195
2024	173,344
2025 and thereafter	1,210,055
Total minimum lease payments	2,104,193
Less amount representing interest	703,873
Present value of minimum lease payments	1,400,320
Less current portion	129,194
Long-term portion	1,271,126
Aircraft and Spare Engine Leases
Operating Leases
remainder of 2020	102,077
2021	204,153
2022	205,231
2023	192,586
2024	170,524
2025 and thereafter	1,065,928
Total minimum lease payments	1,940,499
Less amount representing interest	568,343
Present value of minimum lease payments	1,372,156
Less current portion	125,219
Long-term portion	1,246,937
Property Facility Leases
Operating Leases
remainder of 2020	2,237
2021	4,552
2022	4,262
2023	3,260
2024	2,722
2025 and thereafter	144,127
Total minimum lease payments	161,160
Less amount representing interest	135,335
Present value of minimum lease payments	25,825
Less current portion	3,092
Long-term portion	22,733
Other
Operating Leases
remainder of 2020	228
2021	0
2022	0
2023	0
2024	0
2025 and thereafter	0
Total minimum lease payments	228
Less amount representing interest	3
Present value of minimum lease payments	225
Less current portion	225
Long-term portion	$ 0

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