Cash Equivalents and Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2023

Cash and Cash Equivalents [Abstract]

Estimated Fair Value of Cash Equivalents and Marketable Securities and the Gross Unrealized Gains and Losses

The following tables summarize the estimated fair value of the Company’s cash equivalents and marketable securities and the gross unrealized gains and losses (in thousands):

	December 31, 2023
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Cash equivalents:
Money market funds	$	150,648	$	—	$	—		$	150,648
Commercial paper		24,950		5		—			24,955
U.S. government treasury securities		10,965		1		—			10,966
Total cash equivalents		186,563		6		—			186,569
Marketable securities:
Commercial paper		79,124		62		—			79,186
Corporate bonds		32,984		81		(1	)		33,064
U.S. government treasury securities		21,846		31		—			21,877
U.S. government agency securities		16,147		110		—			16,257
Total marketable securities	$	150,101	$	284	$	(1	)	$	150,384

	December 31, 2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Cash equivalents:
Money market funds	$	15,250	$	—	$	—		$	15,250
Commercial paper		7,021		1		(2	)		7,020
U.S. government agency securities		3,736		—		(1	)		3,735
Total cash equivalents	$	26,007	$	1	$	(3	)	$	26,005
Marketable securities:
Commercial paper	$	16,644	$	2	$	(25	)	$	16,621
Corporate bonds		3,738		—		(6	)		3,732
U.S. government agency securities		495		—		—			495
Total marketable securities	$	20,877	$	2	$	(31	)	$	20,848

Available-for-Sale Securities in an Unrealized Loss Position

The following table summarizes the available-for-sale securities in an unrealized loss position for which an allowance for credit losses has not been recorded as of December 31, 2023 and 2022, aggregated by major security type and length of time in a continuous unrealized loss position:

	December 31, 2023
	Less Than 12 Months					12 Months or Longer				Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Commercial paper	$	—	$	—		$	—	$	—	$	—	$	—
Corporate bonds		9,907		(1	)		—		—		9,907		(1	)
U.S. government treasury securities		4,831		—			—		—		4,831		—
Total marketable securities	$	14,738	$	(1	)	$	—	$	—	$	14,738	$	(1	)

	December 31, 2022
	Less Than 12 Months					12 Months or Longer				Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Commercial paper	$	17,699	$	(27	)	$	—	$	—	$	17,699	$	(27	)
Corporate bonds		3,732		(6	)		—		—		3,732		(6	)
U.S. government agency securities		3,735		(1	)		—		—		3,735		(1	)
Total marketable securities	$	25,166	$	(34	)	$	—	$	—	$	25,166	$	(34	)

Contractual Maturities of Marketable Securities at Estimated Fair Value

The following table summarizes the contractual maturities of the Company’s marketable securities at estimated fair value (in thousands):

	December 31,
	2023		2022
Due in one year or less	$	115,784	$	20,848
Due in 1 – 2 years		34,600		—
Total marketable securities	$	150,384	$	20,848