Balance Sheet Information - Additional Information (Detail) - USD ($)	1 Months Ended		3 Months Ended
	Sep. 30, 2021	Jul. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Feb. 28, 2022	Feb. 28, 2021
Condensed Balance Sheet Statements Captions [Line Items]
Depreciation expense			$ 14,400,000	$ 20,500,000
Estimated initial equity warrant asset value						$ 16,400,000
Estimated initial warrant asset value					$ 3,200,000
Net losses on investments in equity securities			1,700,000	6,500,000
Aggregate carrying amount of investments in equity securities			13,400,000
Investments without readily determinable fair value			9,000,000.0
Heart Aerospace Incorporated [Member] | Forward Purchase Contract [Member] | Preferred Stock [Member]
Condensed Balance Sheet Statements Captions [Line Items]
Purchase of preferred stock		$ 5,000,000.0
Initial investment in preferred stock measured at cost		$ 5,000,000.0
Class A [Member] | Archer Aviation, Inc. [Member]
Condensed Balance Sheet Statements Captions [Line Items]
Stock issued during period, Shares	500,000
Stock issued during period, Value	$ 5,000,000.0
Total grant date value, Additional warrant to purchase shares	$ 5,600,000
CRJ-900 [Member]
Condensed Balance Sheet Statements Captions [Line Items]
Impairment of intangible asset			$ 3,700,000
Long-lived Assets [Member] | CRJ-900 [Member]
Condensed Balance Sheet Statements Captions [Line Items]
Asset impairment				$ 0