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Cash, Cash Equivalents, And Marketable Securities | 12 Months Ended
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Dec. 31, 2016
Cash, Cash Equivalents And Marketable Securities [Abstract] |
Cash, Cash Equivalents, and Marketable Securities [Text Block] | Cash, Cash Equivalents, and Marketable Securities The following table summarizes the Company’s cash, cash equivalents, and marketable securities:
| As of December 31,
| 2016 |  | 2015
| (In thousands)
Cash | $ | 39,183 |  |  | $ | 99,027 |
Money market funds | 134,790 |  |  | 137,593 |
Time deposits | 4,632 |  |  | 4,007 |
Debt securities issued by the U.S. Treasury | 1,626,764 |  |  | 1,685,882 |
Equity securities of public companies | 2,174 |  |  | 890 |
Total | $ | 1,807,543 |  |  | $ | 1,927,399 |
Included in Cash and cash equivalents | $ | 231,945 |  |  | $ | 228,659 |
Included in Marketable securities | $ | 1,565,962 |  |  | $ | 1,686,771 |
Included in Other long-term assets (Restricted cash) | $ | 9,636 |  |  | $ | 11,969 |
The fair value of the debt securities held as of December 31, 2016 was $1.6 billion, including less than $1.0 million of gross and net unrealized losses. All of the debt securities held as of December 31, 2016 have contractual maturities of less than one year.

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- Definition The entire disclosure of cash, cash equivalents, and debt and equity securities, including any unrealized or realized gain (loss). + References No definition available. + Details
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- Definition Cash, Cash Equivalents, And Marketable Securities [Abstract] + References No definition available. + Details
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