Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Summary of Amortized Cost and Estimated Fair Value of Marketable Securities by Contractual Maturity

The amortized cost and estimated fair value of marketable securities, by contractual maturity are as follows:

	December 31, 2023
(in thousands)	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses			Fair Value
Maturing in one year or less
U.S. Treasury Bill	$	8,806	$	6	$	—		$	8,812
U.S. Treasuries		97,086		12		(95	)		97,003
Total	$	105,892	$	18	$	(95	)	$	105,815

	December 31, 2022
(in thousands)	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses			Fair Value
Maturing in one year or less
Corporate Bonds	$	5,001	$	—	$	(56	)	$	4,945
U.S. Treasuries		116,432		—		(617	)		115,815
Maturing after one year through five years
U.S. Treasuries		51,876		—		(97	)		51,779
Total	$	173,309	$	—	$	(770	)	$	172,539

Summary of Fair Value and Gross Unrealized Losses of Marketable Securities

The following table summarizes the fair value and gross unrealized losses aggregated by category and the length of time that individual securities have been in an unrealized loss position:

	December 31, 2023
	Greater than twelve months					Total
(in thousands)	Fair value		Unrealized loss			Fair value		Unrealized loss
U.S. Treasuries	$	53,447	$	(95	)	$	53,447	$	(95	)
Total	$	53,447	$	(95	)	$	53,447	$	(95	)

	December 31, 2022
	Greater than twelve months					Total
(in thousands)	Fair value		Unrealized loss			Fair value		Unrealized loss
Corporate Bonds	$	4,945	$	(57	)	$	4,945	$	(57	)
U.S. Treasuries		162,601		(713	)		162,601		(713	)
Total	$	167,546	$	(770	)	$	167,546	$	(770	)