Current Developments (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended	6 Months Ended
	Mar. 26, 2024	Mar. 01, 2024	Jun. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Feb. 29, 2024	Jan. 31, 2024	Dec. 31, 2023	Nov. 30, 2023	Oct. 31, 2023	Sep. 30, 2023	Aug. 31, 2023	Jul. 31, 2023	Jun. 30, 2023	May 31, 2023	Apr. 30, 2023	Mar. 31, 2023	Feb. 28, 2023	Jan. 31, 2023	Oct. 26, 2022	Apr. 30, 2021	May 12, 2020
PW1100 GTF Engine
Business Acquisition [Line Items]
Vendor consideration credit, expense offset, total amount to be received	$ 93,900
Vendor consideration credit, recognized			$ 57,100	$ 75,000
Vendor consideration credit, expense offset, asset basis reduction				67,800
Vendor consideration credit, depreciation and amortization, asset basis reduction			1,500	1,500
Aircraft Maintenance, Materials, and Repairs | PW1100 GTF Engine
Business Acquisition [Line Items]
Vendor consideration credit, expense offset			$ 5,500	$ 7,100
PSP 1
Business Acquisition [Line Items]
Strike price (in dollars per share)			$ 11.393	$ 11.393
Number of warrants (in shares)			643,625.2	643,625.2
PSP 2
Business Acquisition [Line Items]
Strike price (in dollars per share)			$ 19.761	$ 19.761
Number of warrants (in shares)			170,230.67	170,230.67
PSP 3
Business Acquisition [Line Items]
Strike price (in dollars per share)			$ 29.496	$ 29.496
Number of warrants (in shares)			99,526.95	99,526.95
Convertible notes due 2025 | Convertible Notes
Business Acquisition [Line Items]
Shares conversion rate per portion of principal amount (in shares)			97.5929	97.5929
Principal amount portion for trading price threshold			$ 1	$ 1																		$ 1
1.00% convertible notes due 2026 | Convertible Notes
Business Acquisition [Line Items]
Shares conversion rate per portion of principal amount (in shares)			25.3578	25.3578																	20.3791
Principal amount portion for trading price threshold			$ 1	$ 1																	$ 1
JetBlue Merger Agreement
Business Acquisition [Line Items]
Approval prepayment amount price per share (in dollars per share)																				$ 2.50
Additional approval prepayment per share amount paid (in dollars per share)					$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10
Proceeds received from merger termination		$ 69,000
JetBlue Merger Agreement | Accounts Receivable
Business Acquisition [Line Items]
Proceeds received from merger termination		2,300
JetBlue Merger Agreement | Other Operating Income (Expense)
Business Acquisition [Line Items]
Proceeds received from merger termination		$ 66,700