Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of Fair Value and Amortized Cost of Marketable Securities

The following tables summarize the fair values of the Company’s marketable securities (in thousands):

	June 30, 2022
	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
U.S. treasury securities	$	1,163,041	$	45	$	(5,355	)	$	1,157,731
Corporate notes and bonds		137,334		10		(2,210	)		135,134
U.S. agency obligations		100,262		12		(1,794	)		98,480
Commercial paper		36,715		4		(205	)		36,514
Total marketable securities	$	1,437,352	$	71	$	(9,564	)	$	1,427,859

	December 31, 2021
	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
U.S. treasury securities	$	446,878	$	-	$	(443	)	$	446,435
Corporate notes and bonds		125,845		5		(246	)		125,604
U.S. agency obligations		54,122		-		(115	)		54,007
Commercial paper		10,995		-		-			10,995
Municipal bonds		3,045		-		(1	)		3,044
Total marketable securities	$	640,885	$	5	$	(805	)	$	640,085

Schedule of Fair Value and Amortized Cost of Contractual Maturities

The following table summarizes the contractual maturities of the Company’s marketable securities (in thousands):

	June 30, 2022
	Amortized Cost		Fair Value
Due within one year	$	1,235,817	$	1,229,767
Due after one year through five years		201,535		198,092
Total	$	1,437,352	$	1,427,859