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Available-for-Sale Securities - Schedule of Fair Value of Available-for-Sale Securities by Type of Security (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 20,855	$ 58,406
Gross Unrealized Gain	5
Gross Unrealized Loss		(68)
Fair Value	20,860	58,338
Treasury Bills [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	19,989	34,780
Gross Unrealized Gain	5
Gross Unrealized Loss		(30)
Fair Value	19,994	34,750
Corporate Bond Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	866	23,626
Gross Unrealized Loss		(38)
Fair Value	$ 866	$ 23,588

X

- Definition

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).

+ References

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