Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2023

Marketable Securities [Abstract]

Summary of Available-for-Sale Debt Securities

The following tables summarize the available-for-sale debt securities held at March 31, 2023 and December 31, 2022 (in thousands):

Description	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
March 31, 2023
US treasury securities	$	73,589	$	4	$	(683	)	$	72,910
US government agencies		201,161		84		(1,359	)		199,886
Corporate securities		194,027		89		(1,170	)		192,946
Total	$	468,777	$	177	$	(3,212	)	$	465,742

Description	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
December 31, 2022
US treasury securities	$	94,958	$	3	$	(1,111	)	$	93,850
US government agencies		180,967		25		(1,873	)		179,119
Corporate securities		220,119		25		(2,014	)		218,130
Total	$	496,044	$	53	$	(4,998	)	$	491,099