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Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Summary of Marketable Securities

Marketable securities classified as available-for-sale on March 31, 2022 and December 31, 2021, consisted of the following (in thousands):

			March 31, 2022
			Maturity			Amortized Cost			Unrealized Gains			Unrealized Losses			Fair Value
U.S. Treasury bills			Less than one year			$	318,419		$	—		$	(373)		$	318,047

			December 31, 2021
			Maturity			Amortized Cost			Unrealized Gains			Unrealized Losses			Fair Value
U.S. Treasury bills			Less than one year			$	416,559		$	—		$	(50)		$	416,509

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- 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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- References

No definition available.

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