Investments in Marketable Securities - Schedule of Marketable Securities (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Marketable Securities [Line Items]
Amortized Cost	$ 9,033	$ 54,631
Gross Unrealized Gains	0
Gross Unrealized Losses	(65)	(29)
Fair Value	8,968	54,602
U.S. Treasury Securities [Member]
Marketable Securities [Line Items]
Amortized Cost	5,016	15,272
Gross Unrealized Gains	0
Gross Unrealized Losses	(48)	(15)
Fair Value	4,968	15,257
Commercial Paper [Member]
Marketable Securities [Line Items]
Amortized Cost		28,980
Fair Value		28,980
Asset Backed Securities [Member]
Marketable Securities [Line Items]
Amortized Cost	4,017	10,379
Gross Unrealized Losses	(17)	(14)
Fair Value	$ 4,000	$ 10,365

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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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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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

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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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