Short-Term Investments (Tables)

12 Months Ended

Dec. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of Estimated Fair Value of Short-Term Investments

The following represents a summary of the estimated fair value of short-term investments at December 31, 2022 and December 31, 2021 (in thousands):

At December 31, 2022	Amortized Cost		Gross Unrealized Gain		Gross Unrealized Loss		Estimated Fair Value
Available-for-sale securities:
U.S. Treasury securities	$	213,105	$	3	$	(1,947)	$	211,161
Commercial paper	112,812		6		(208)		112,610
U.S. Government-sponsored enterprises	100,602		21		(615)		100,008
Corporate debt securities	18,218		—		(104)		18,114
Supranational bonds	2,504		—		(13)		2,491
Total	$	447,241	$	30	$	(2,887)	$	444,384

At December 31, 2021	Amortized Cost		Gross Unrealized Gain		Gross Unrealized Loss		Estimated Fair Value
Available-for-sale securities:
U.S. Treasury securities	$	222,206	$	—	$	(482)	$	221,724
Commercial paper	218,391		14		(24)		218,381
U.S. Government-sponsored enterprises	50,773		1		(88)		50,686
Corporate debt securities	58,881		—		(45)		58,836
Supranational bonds	3,003		—		—		3,003
Total	$	553,254	$	15	$	(639)	$	552,630

Schedule of Contractual Maturities of Available -For-Sale Debt Securities

The contractual maturities of available-for-sale debt securities as of December 31, 2022, were as follows (in thousands):

	Years to Maturity
At December 31, 2022	Within One Year		One to Two Years		Estimated Fair Value
U.S. Treasury securities	$	202,855	$	8,306	$	211,161
Commercial paper	112,610		—		112,610
U.S. Government-sponsored enterprises	73,292		26,716		100,008
Corporate debt securities	13,190		4,924		18,114
Supranational bonds	2,491		—		2,491
Total	$	404,438	$	39,946	$	444,384