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Fair Value of Financial Instruments - Additional Information (Detail) - USD ($)		12 Months Ended			24 Months Ended
	Nov. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2021
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other assets		$ 29,244,000	$ 13,893,000		$ 29,244,000
Debt securities, available-for-sale, realized gain					11,700,000
Impairment charges	$ 0	0	0	$ 0
Strategic Investments [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other assets		17,800,000	6,700,000		17,800,000
Impairment charges			$ 250,000
2022 Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Fair value of notes		135,000.0			135,000.0
2025 Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Fair value of notes		$ 1,100,000,000			$ 1,100,000,000