Fair Value Measurements - Schedule of Available-for-sale Investments (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Schedule of Available-for-sale Securities [Line Items]
Gross Amortized Cost	$ 105,788	$ 14,730
Gross Unrealized Gains		7
Gross Unrealized Losses	(213)
Aggregate value of investment securities	105,575	14,737
Short-term Investments \| Commercial Paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross Amortized Cost	36,956	5,491
Gross Unrealized Gains		3
Gross Unrealized Losses	(35)
Aggregate value of investment securities	36,921	5,494
Short-term Investments \| Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross Amortized Cost	12,973
Gross Unrealized Losses	(32)
Aggregate value of investment securities	12,941
Short-term Investments \| Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross Amortized Cost	55,859	7,021
Gross Unrealized Gains		3
Gross Unrealized Losses	(146)
Aggregate value of investment securities	$ 55,713	7,024
Short-term Investments \| Asset-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross Amortized Cost		2,218
Gross Unrealized Gains		1
Aggregate value of investment securities		$ 2,219

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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Amortized cost 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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