Commitments and Contingent Liabilities - Capital Commitments and Operating Expenditures (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($) aircraft order purchase_right
Total Committed Expenditures
Remaining in 2020	$ 195,685
2021	392,099
2022	499,751
2023	309,189
2024	396,401
Thereafter	237,288
Total	2,030,413
Aircraft and aircraft related
Total Committed Expenditures
Remaining in 2020	133,444
2021	308,784
2022	426,537
2023	243,683
2024	338,951
Thereafter	106,022
Total	$ 1,557,421
Aircraft and aircraft related \| B787-9 spare engines
Long-term Purchase Commitment [Line Items]
Number of aircraft, firm orders \| order	2
Number of aircraft purchase rights \| purchase_right	2
Aircraft and aircraft related \| A-321-Neo
Long-term Purchase Commitment [Line Items]
Number of aircraft, firm orders \| aircraft	1
Number of aircraft purchase rights \| aircraft	9
Aircraft and aircraft related \| B787-9 aircraft
Long-term Purchase Commitment [Line Items]
Number of aircraft, firm orders \| aircraft	10
Number of aircraft purchase rights \| aircraft	10
Other
Total Committed Expenditures
Remaining in 2020	$ 62,241
2021	83,315
2022	73,214
2023	65,506
2024	57,450
Thereafter	131,266
Total	$ 472,992

Number Of Aircraft, Firm Order

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Number Of Aircraft, Purchase Rights

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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

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Amount of contractual obligation due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of contractual obligation maturing in the remainder of the fiscal year following the latest fiscal year ended.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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