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Long-Term Investments - Summary of Investment (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Cash and Cash Equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value	$ 192,897	$ 190,611
Other Long-term Investment [Member]
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value	2,631	2,622
Auction Rate Securities [Member] | Other Long-term Investment [Member]
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value	2,631	2,622
Estimate of Fair Value Measurement [Member] | Cash and Cash Equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value	144,725	143,274
Estimate of Fair Value Measurement [Member] | Other Long-term Investment [Member]
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value	2,631	2,622
Estimate of Fair Value Measurement [Member] | Auction Rate Securities [Member] | Other Long-term Investment [Member]
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value	2,631	2,622
Estimate of Fair Value Measurement [Member] | Money market funds [Member] | Cash and Cash Equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value	144,725	143,274
Portion at Other than Fair Value Measurement [Member] | Cash [Member] | Cash and Cash Equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value	$ 48,172	$ 47,337

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