Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2022

Marketable Securities [Abstract]

Summary of Available-for-Sale Debt Securities

The following tables summarize the available-for-sale debt securities held at June 30, 2022 and December 31, 2021 (in thousands):

Description	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
June 30, 2022
US treasury securities	$	129,398	$	41	$	(737	)	$	128,702
US government agencies		89,572		—		(1,477	)		88,095
Corporate securities		190,582		2		(1,804	)		188,780
Total	$	409,552	$	43	$	(4,018	)	$	405,577

Description	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
December 31, 2021
US treasury securities	$	186,700	$	—	$	(45	)	$	186,655
US government agencies		79,657		—		(125	)		79,532
Corporate securities		253,929		1		(488	)		253,442
Total	$	520,286	$	1	$	(658	)	$	519,629