Investments

3 Months Ended

Mar. 31, 2022

Investments Debt And Equity Securities [Abstract]

Investments

4. Investments

The amortized cost, unrealized gain and loss, and fair value of the Company’s investments in marketable securities by major security type are as follows (in thousands):

	March 31, 2022
	Amortized Cost		Unrealized Gain		Unrealized Loss			Fair Value
Money market funds	$	53,239	$	—	$	—		$	53,239
US treasuries		67,934		4		(217	)		67,721
Government treasury and agency securities		6,044		—		(24	)		6,020
Corporate securities and commercial paper		176,725		—		(903	)		175,822
Total financial assets	$	303,942	$	4	$	(1,144	)	$	302,802

	December 31, 2021
	Amortized Cost		Unrealized Gain		Unrealized Loss			Fair Value
Money market funds	$	115,410	$	—	$	—		$	115,410
US treasuries		24,056		1		(4	)		24,053
Government treasury and agency securities		7,606		—		(6	)		7,600
Corporate securities and commercial paper		171,891		3		(52	)		171,842
Total financial assets	$	318,963	$	4	$	(62	)	$	318,905

As of March 31, 2022, the fair value of the Company’s marketable debt securities, by maturity date, were as follows (in thousands):

	Amount
Due within one year	$	204,757
Due in one to five years		44,806
Total marketable securities	$	249,563