The number of shares acquired on equity method investment.

No definition available.

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- Definition

Non-binding letter of intent to purchase number of aircraft.

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- Definition

Amount of payments to acquire additional interest in Joint venture.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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- Definition

This element represents the aggregate cost of investments accounted for under the equity method of accounting.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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- Definition

Amount of unrealized gain (loss) recognized in income for derivative asset (liability) after deduction of derivative liability (asset), measured at fair value using unobservable input (level 3) and still held.

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- Definition

Amount of purchases of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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- Definition

Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Indicates line item in statement in which net income is reported that includes unrealized gain (loss) from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value using unobservable input (level 3) and still held.

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- Definition

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The maximum number of shares that could be issued to net share settle a contract, if applicable. If a contract does not have a fixed or determinable maximum number of shares that may be required to be issued, disclose the fact that a potentially infinite number of shares could be issued to settle the contract.

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The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

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- Definition

Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

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Investments in Other Companies (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) aircraft	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Warrants to purchase shares \| shares	785,226
Eve UAM, LLC \| Strategic partnership \| Electric vertical takeoff and landing ("eVTOL") aircraft
Non-binding letter of intent to purchase number of aircraft \| aircraft		100
Aero Engines, LLC. ("Aero Engines")
Payments to acquire interest in joint venture				$ 22,300
Investment ownership (as a percent)	75.00%			75.00%
Additional interest in Joint venture	$ 3,300		$ 1,000
Long-term debt	0
Investment balance in other companies	26,600
Aero Engines, LLC. ("Aero Engines") \| Other Nonoperating Income.
Company's portion of loss generated by other companies	$ 1,400
Eve Holdings, Inc. ("Eve")
Warrants to purchase shares \| shares	1,500,000
Warrants exercise price (in dollars per share) \| $ / shares	$ 0.01
Initial investment	$ 10,000
Eve Holdings, Inc. ("Eve") \| Level 3
Beginning balance
Purchases	6,551
Unrealized gains	$ 7,629
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)
Ending balance	$ 14,180
Eve Holdings, Inc. ("Eve") \| Level 3 \| Black Scholes Option Pricing Model \| Volatility
Measurement input	0.49
Eve Holdings, Inc. ("Eve") \| Put option
Shares obtained \| shares	1,000,000
Eve Holdings, Inc. ("Eve") \| Other Assets
Investment balance in other companies	$ 21,400
Eve Holdings, Inc. ("Eve") \| Other Nonoperating Income.
Company's portion of loss generated by other companies	$ 11,400
Eve Holdings, Inc. ("Eve") \| Class A common stock
Number of shares acquired \| shares	1,000,000