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Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2019

Financial Instruments, Owned, at Fair Value [Abstract]

Cash, Cash Equivalents, And Marketable Securities

The following table summarizes the Company’s cash, cash equivalents, and marketable securities and the fair value categorization of the financial instruments measured at fair value on a recurring basis:

	September 30,				December 31,
	2019				2018
	(In thousands)
Cash	$	28,119			$	37,190
Time deposits	4,884				3,810
Money market funds (Level 1)	85,676				120,832
Debt securities issued by the U.S. Treasury (Level 1)	1,120,723				1,117,175
Total	$	1,239,402			$	1,279,007
Cash and cash equivalents	$	109,288			$	357,415
Restricted cash (included in Other long-term assets)	9,391				9,338
Total Cash, cash equivalents, and restricted cash	118,679				366,753
Marketable securities	1,120,723				912,254
Total	$	1,239,402			$	1,279,007

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

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