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Available-for-Sale Investments - Summary of Available-for-Sale Securities Held (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 76,323	$ 120,236
Gross unrealized gains		8
Gross unrealized losses	(433)	(53)
Fair Value	75,890	120,191
Commercial Paper
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	56,852	106,298
Gross unrealized gains		8
Gross unrealized losses	(238)	(29)
Fair Value	56,614	106,277
Corporate Debt Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized cost		5,876
Gross unrealized losses		(3)
Fair Value		5,873
U.S. Government Agency Securities and Treasuries
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	19,471	8,062
Gross unrealized losses	(195)	(21)
Fair Value	$ 19,276	$ 8,041

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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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