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Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2021

Marketable Securities [Abstract]

Summary of Marketable Securities

Marketable securities consisted of the following as of the periods presented (in thousands):

						December 31, 2021
						Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value
Marketable Securities
U.S. Treasury securities						$	157,681					$	—					$	(404)					$	157,277
Certificates of deposit						6,495						—						(5)						6,490
Corporate debt securities						36,422						—						(95)						36,327
Commercial paper						11,624						2						(6)						11,620
Asset-backed securities						5,901						1						(7)						5,895
Total marketable securities						$	218,123					$	3					$	(517)					$	217,609

    

						December 31, 2020
						Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value
Marketable Securities
Certificates of deposit						$	3,000					$	—					$	—					$	3,000
Total marketable securities						$	3,000					$	—					$	—					$	3,000

Summary of Marketable Securities in an Unrealized Loss Position

Marketable securities in an unrealized loss position for less than 12 months consisted of the following as of December 31, 2021 ((in thousands):

						Fair Value						Gross Unrealized Loss
U.S. Treasury securities						$	143,590					$	(404)
Certificates of deposit						6,490						(5)
Corporate debt securities						36,327						(95)
Commercial paper						6,984						(6)
Asset-backed securities						4,967						(7)
Total						$	198,358					$	(517)

Summary of Remaining Contractual Maturities of Marketable Securities

The following summarizes the remaining contractual maturities of the Company’s marketable securities as of December 31, 2021:

			Fair Value
One year or less			$	119,795
Over one year through five years			97,814
Total marketable securities			$	217,609

X

- Definition

Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-URI http://asc.fasb.org/topic&trid=2196928

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Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455

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Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.

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