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Marketable Securities and Long-Term Investments (Tables)

6 Months Ended

Jun. 30, 2021

Investments Debt And Equity Securities [Abstract]

Summary of Marketable Securities and Long-Term Investments Held

The following table summarizes the Company’s marketable securities and long-term investments held at June 30, 2021 (in thousands):

		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
Commercial paper		$	375,665			$	41			$	(7	)		$	375,699
Corporate notes			27,568				—				(3	)			27,565
Total		$	403,233			$	41			$	(10	)		$	403,264

The following table summarizes the Company’s marketable securities held at December 31, 2020 (in thousands):

		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
Commercial paper		$	113,628			$	11			$	(17	)		$	113,622
Corporate notes			7,839				2				(5	)			7,836
U.S Treasury securities			11,009				—				—				11,009
Government securities			5,033				—				—				5,033
Total		$	137,509			$	13			$	(22	)		$	137,500

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Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.

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