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Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2020

Investments Debt And Equity Securities [Abstract]

Summary of Cash Equivalents and Marketable Securities Recorded at Fair Value

A summary of the Company’s cash equivalents and marketable securities, which are recorded at fair value (and excludes $395.1 million of cash at December 31, 2020) is shown below (in thousands):

		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
Cash equivalents:
Money market funds		$	742,958			$	—			$	—			$	742,958
Corporate debt securities			2,526				1				(24	)			2,503
Certificates of deposit			12,527				—				—				12,527
Commercial paper			15,549				—				—				15,549
Total cash equivalents			773,560				1				(24	)			773,537
Marketable securities:
U.S. Treasury securities			47,976				3				—				47,979
Corporate debt securities			324,569				43				(156	)			324,456
Certificates of deposit			25,162				—				—				25,162
Government-sponsored enterprise securities			33,738				5				(2	)			33,741
Commercial paper			90,375				—				—				90,375
Total marketable securities			521,820				51				(158	)			521,713
Total cash equivalents and marketable securities		$	1,295,380			$	52			$	(182	)		$	1,295,250

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Tabular disclosure of the components of cash, cash equivalents, and investments.

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