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Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2017

Cash, Cash Equivalents And Marketable Securities [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:

	As of December 31,
	2017				2016
	(In thousands)
Cash	$	135,092			$	39,183
Time deposits	3,682				4,632
Money market funds (Level 1)	116,068				134,790
Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies (Level 1)	2,169,172				1,626,764
Equity securities of public companies (Level 1)	25				2,174
Total	$	2,424,039			$	1,807,543
Included in Cash and cash equivalents	$	465,851			$	231,945
Included in Marketable securities	1,948,900				1,565,962
Included in Other assets (Restricted cash)	9,288				9,636
Total	$	2,424,039			$	1,807,543

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- Definition

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

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- Definition

Cash, Cash Equivalents, And Marketable Securities [Abstract]

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No definition available.

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