Investments (Tables)

3 Months Ended

Mar. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of Short-Term Investments

The following tables summarize the Company’s short-term investments (in thousands):

		As of March 31, 2022
	Maturity	Amortized cost		Gross unrealized gains		Gross unrealized losses		Estimated fair value
Corporate debt securities	2 years or less	$	191,505	$	2	$	(1,416)	$	190,091
Commercial paper	1 year or less	548,407		—		(1,623)		546,784
U.S. Agency bonds	1 years or less	21,000		—		(6)		20,994
U.S. Treasury bills	2 years or less	266,120		—		(2,211)		263,909
		$	1,027,032	$	2	$	(5,256)	$	1,021,778

		As of December 31, 2021
	Maturity	Amortized cost		Gross unrealized gains		Gross unrealized losses		Estimated fair value
Corporate debt securities	2 years or less	$	236,170	$	36	$	(248)	$	235,958
Commercial paper	1 year or less	621,947		127		(95)		621,979
U.S. Agency bonds	1 years or less	58,092		—		—		58,092
U.S. Treasury bills	2 years or less	162,500		—		(272)		162,228
		$	1,078,709	$	163	$	(615)	$	1,078,257