Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Summary of Marketable Securities

The Company’s marketable securities, which consist of highly liquid marketable debt securities, are classified as available-for-sale and are stated at fair value. The following tables summarize the Company’s marketable securities (in thousands):

As of December 31, 2022	Maturity (in years)	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
U.S. Treasury securities	1 or less	$	230,349	$	1	$	(2,283)	$	228,067
U.S. Government agency securities	1 or less	5,000		—		(34)		4,966
Negotiable certificates of deposit	1 or less	3,911		1		(57)		3,855
Corporate debt securities	1 or less	16,360		—		(286)		16,074
U.S. Treasury securities	1 - 2	16,919		—		(41)		16,878
Negotiable certificates of deposit	1 - 2	490		1		—		491
Total		$	273,029	$	3	$	(2,701)	$	270,331

As of December 31, 2021	Maturity (in years)	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
U.S. Treasury securities	1 or less	$	2,492	$	—	$	(1)	$	2,491
Negotiable certificates of deposit	1 or less	1,190		—		(1)		1,189
U.S. Treasury securities	1 - 2	63,034		—		(153)		62,881
Negotiable certificates of deposit	1 - 2	2,687		—		(3)		2,684
Corporate debt securities	1 - 2	15,879		—		(29)		15,850
Total		$	85,282	$	—	$	(187)	$	85,095