Investments - Summary of Investments, Classified as Available-for-Sale (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 77,361	$ 38,161
Gross Unrealized Gains	1	4
Total Unrealized Loss	(332)	(9)
Aggregate Fair Value	77,030	38,156
Corporate Debt Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	31,788	24,272
Aggregate Fair Value	31,541	24,269
Commercial Paper [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	25,855	12,998
Aggregate Fair Value	25,790	12,995
U.S. government and agency securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	19,718	891
Aggregate Fair Value	19,699	892
Short-term [Member] \| Corporate Debt Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Gross Unrealized Gains	0	3
Total Unrealized Loss	(247)	(6)
Short-term [Member] \| Commercial Paper [Member]
Debt Securities, Available-for-sale [Line Items]
Gross Unrealized Gains	0	0
Total Unrealized Loss	(65)	(3)
Short-term [Member] \| U.S. government and agency securities [Member]
Debt Securities, Available-for-sale [Line Items]
Gross Unrealized Gains	1	1
Total Unrealized Loss	$ (20)	$ 0

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of unrealized gain 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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Amount of 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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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