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Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Schedule of Financial Assets Measured at Fair Value on Recurring Basis

The following tables present information about the Company’s financial assets measured at fair value on a recurring basis and indicate the fair value hierarchy classification of such fair values as of December 31, 2021 and 2020 (in thousands):

		Fair Value Measurements at
		December 31, 2021
		Total				Level 1				Level 2				Level 3
Cash and cash equivalents:
Cash		$	405,648			$	405,648			$	—			$	—
Money market funds			507,386				507,386				—				—
Corporate debt securities			—				—				—				—
Certificates of deposit			—				—				—				—
Commercial paper			9,997				—				9,997				—
Marketable securities:
U.S. Treasury securities			16,192				—				16,192				—
Corporate debt securities			1,168,766				—				1,168,766				—
Certificates of deposit			45,164				—				45,164				—
Government-sponsored enterprise securities			13,257				—				13,257				—
Commercial paper			212,719				—				212,719				—
Other non-current assets			2,212				—				—				2,212
Total		$	2,381,341			$	913,034			$	1,466,095			$	2,212

		Fair Value Measurements at
		December 31, 2020
		Total				Level 1				Level 2				Level 3
Cash and cash equivalents:
Cash		$	395,083			$	395,083			$	—			$	—
Money market funds			742,958				742,958				—				—
Corporate debt securities			2,503				—				2,503				—
Certificates of deposit			12,527				—				12,527				—
Commercial paper			15,549				—				15,549				—
Marketable securities:
U.S. Treasury securities			47,979				—				47,979				—
Corporate debt securities			324,456				—				324,456				—
Certificates of deposit			25,162				—				25,162				—
Government-sponsored enterprise securities			33,741				—				33,741				—
Commercial paper			90,375				—				90,375				—
Other non-current assets			600				—				—				600
Total		$	1,690,933			$	1,138,041			$	552,292			$	600

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- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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