Fair Value Measurements - Schedule of Available-for-sale Investments (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Gross Amortized Cost	$ 91,051	$ 105,788
Gross Unrealized Losses	(709)	(213)
Market Value	90,342	105,575
Short-term Investments \| Commercial Paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross Amortized Cost	26,972	36,956
Gross Unrealized Losses	(144)	(35)
Market Value	26,828	36,921
Short-term Investments \| Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross Amortized Cost	12,927	12,973
Gross Unrealized Losses	(84)	(32)
Market Value	12,843	12,941
Short-term Investments \| Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross Amortized Cost	51,152	55,859
Gross Unrealized Losses	(481)	(146)
Market Value	$ 50,671	$ 55,713

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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