Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Marketable securities

The following table summarizes the Company's investments in marketable securities:

	March 31, 2022
	Maturity	Gross Amortized Cost		Total Unrealized Gains		Total Unrealized Losses		Fair Value
Short-term marketable securities
Commercial paper	Within one year	$	109,247	$	—	$	(228)	$	109,019
Corporate bonds	Within one year	224,119		2		(897)		223,224
Municipal bonds	Within one year	10,392		—		(63)		10,329
Total		$	343,758	$	2	$	(1,188)	$	342,572
Long-term marketable securities
Corporate bonds	Within one - five years	$	103,953	$	—	$	(1,293)	$	102,660
Municipal bonds	Within one - five years	1,500		—		(29)		1,471
Total		$	105,453	$	—	$	(1,322)	$	104,131

	December 31, 2021
	Maturity	Gross Amortized Cost		Total Unrealized Gains		Total Unrealized Losses		Fair Value
Short-term marketable securities
Commercial paper	Within one year	$	116,937	$	1	$	(36)	$	116,902
Corporate bonds	Within one year	166,311		2		(170)		166,143
Municipal bonds	Within one year	7,781		—		(8)		7,773
Total		$	291,029	$	3	$	(214)	$	290,818
Long-term marketable securities
Corporate bonds	Within one - five years	$	164,071	$	—	$	(437)	$	163,634
Municipal bonds	Within one - five years	4,162		—		(29)		4,133
Total		$	168,233	$	—	$	(466)	$	167,767