Investments in Marketable Securities - Summary of Investments Classified As Available-For-Sale Securities (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 173,887	$ 176,277
Gross Unrealized Gains	2	1
Gross Unrealized Losses	(1,444)	(546)
Aggregate Estimated Fair Value	172,445	175,732
Certificates of deposit [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	504	504
Aggregate Estimated Fair Value	504	504
Commercial paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	35,450	32,032
Aggregate Estimated Fair Value	35,450	32,032
Corporate debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	137,933	143,741
Gross Unrealized Gains	2	1
Gross Unrealized Losses	(1,444)	(546)
Aggregate Estimated Fair Value	$ 136,491	$ 143,196

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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-Section 50
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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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-Publisher FASB
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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
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-Publisher FASB
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

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-Name Accounting Standards Codification
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