Available-for-Sale Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2023

Available-for-Sale Marketable Securities

Summary of Available-for-Sale Marketable Securities by Major Type of Security

As of March 31, 2023

			Gross Unrealized				Estimated Fair
Type of Security	Amortized Cost		Gains		Losses		Value
U.S. government agency obligations	$	9,500	$	—	$	(483)	$	9,017
Corporate bonds		35,704		—		(403)		35,301
Commercial paper		15,943		1		(1)		15,943
Municipal bonds		15,920		—		(215)		15,705
Total available-for-sale marketable securities	$	77,067	$	1	$	(1,102)	$	75,966

As of December 31, 2022

			Gross Unrealized				Estimated Fair
Type of Security	Amortized Cost		Gains		Losses		Value
U.S. government agency obligations	$	9,500	$	—	$	(623)	$	8,877
Corporate bonds		35,828		—		(643)		35,185
Commercial paper		26,879		2		(6)		26,875
Municipal bonds		22,473		—		(402)		22,071
Total available-for-sale marketable securities	$	94,680	$	2	$	(1,674)	$	93,008

Schedule of Fair Values and Continuous Unrealized Loss Positions of Available-for-Sale Marketable Securities

As of March 31, 2023

	Less than 12 Months				12 Months or Greater				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
U.S. government agency obligations	$	—	$	—	$	9,017	$	(483)	$	9,017	$	(483)
Corporate bonds		4,000		(4)		31,301		(399)		35,301		(403)
Commercial paper		4,975		(1)		—		—		4,975		(1)
Municipal bonds		—		—		15,705		(215)		15,705		(215)
Total	$	8,975	$	(5)	$	56,023	$	(1,097)	$	64,998	$	(1,102)

As of December 31, 2022

	Less than 12 Months				12 Months or Greater				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
U.S. government agency obligations	$	—	$	—	$	8,877	$	(623)	$	8,877	$	(623)
Corporate bonds		1,470		(26)		33,715		(617)		35,185		(643)
Commercial paper		15,906		(6)		—		—		15,906		(6)
Municipal bonds		982		(16)		19,589		(386)		20,571		(402)
Total	$	18,358	$	(48)	$	62,181	$	(1,626)	$	80,539	$	(1,674)

Schedule of Amortized Cost and Fair Values of Marketable Debt Securities by Contractual Maturity

	As of March 31, 2023				As of December 31, 2022
Contractual maturity	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Less than one year	$	67,565	$	66,892	$	82,678	$	81,658
One year to two years		9,502		9,074		12,002		11,350
Total	$	77,067	$	75,966	$	94,680	$	93,008