XML 28 R17.htm IDEA: XBRL DOCUMENT v3.19.2

Financial Instruments (Tables)

6 Months Ended

Jun. 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:

	June 30,				December 31,
	2019				2018
	(In thousands)
Cash	$	26,451			$	37,190
Time deposits	4,134				3,810
Money market funds (Level 1)	104,275				120,832
Debt securities issued by the U.S. Treasury (Level 1)	1,099,456				1,117,175
Total	$	1,234,316			$	1,279,007
Cash and cash equivalents	$	751,580			$	357,415
Restricted cash (included in Other long-term assets)	9,374				9,338
Total Cash, cash equivalents, and restricted cash	760,954				366,753
Marketable securities	473,362				912,254
Total	$	1,234,316			$	1,279,007

X

- References

No definition available.

+ Details

Name:	us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfCashCashEquivalentsAndShortTermInvestmentsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration