Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Marketable Securities

The following table summarizes the Company's investments in marketable securities for the year ended December 31, 2021 and 2020:

	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

	December 31, 2020
	Maturity	Gross Amortized Cost		Total Unrealized Gains		Total Unrealized Losses		Fair Value
Short-term marketable securities
Commercial paper	Within one year	$	48,685	$	31	$	(2)	$	48,714
Corporate bonds	Within one year	78,282		45		(18)		78,309
U.S. Treasury bills	Within one year	19,995		2		—		19,997
Municipal bonds	Within one year	2,500		1		—		2,501
Total		$	149,462	$	79	$	(20)	$	149,521
Long-term marketable securities
Corporate bonds	within one - five years	$	91,694	$	35	$	(40)	$	91,689
U.S. Treasury bills	within one - five years	25,000		1		(5)		24,996
Municipal bonds	within one - five years	3,335		2		—		3,337
Total		$	120,029	$	38	$	(45)	$	120,022