Summary of Cash, Cash Equivalents and Short-Term and Long-Term Investments by Significant Investment Category |
The following tables show the Company’s cash, cash equivalents, short-term and long-term investments by significant investment category as of June 30, 2018 and December 31, 2017 (in thousands):
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|
June 30, 2018
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|
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Adjusted Cost
|
|
|
|
|
Unrealized Gains
|
|
|
|
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Unrealized Losses
|
|
|
|
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Fair
Value
|
|
|
|
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Cash and Cash Equivalents
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|
|
|
|
Short-Term Investments
|
|
|
|
|
Long-Term Investments
|
|
Cash
|
|
$
|
741,964
|
|
|
|
|
$
|
-
|
|
|
|
|
$
|
-
|
|
|
|
|
$
|
741,964
|
|
|
|
|
$
|
741,964
|
|
|
|
|
$
|
-
|
|
|
|
|
$
|
-
|
|
Level 1:
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Money market funds
|
|
|
102,883
|
|
|
|
|
-
|
|
|
|
|
-
|
|
|
|
|
|
102,883
|
|
|
|
|
|
102,883
|
|
|
|
|
-
|
|
|
|
|
-
|
|
Mutual funds
|
|
|
19,822
|
|
|
|
|
-
|
|
|
|
|
-
|
|
|
|
|
|
19,822
|
|
|
|
|
-
|
|
|
|
|
-
|
|
|
|
|
|
19,822
|
|
Total level 1
|
|
|
122,705
|
|
|
|
|
|
-
|
|
|
|
|
|
-
|
|
|
|
|
|
122,705
|
|
|
|
|
|
102,883
|
|
|
|
|
|
-
|
|
|
|
|
|
19,822
|
|
Level 2:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate notes and bonds
|
|
|
47,027
|
|
|
|
|
|
-
|
|
|
|
|
|
-
|
|
|
|
|
|
47,027
|
|
|
|
|
|
-
|
|
|
|
|
|
42,895
|
|
|
|
|
|
4,132
|
|
TOTAL
|
|
$
|
911,696
|
|
|
|
|
$
|
-
|
|
|
|
|
$
|
-
|
|
|
|
|
$
|
911,696
|
|
|
|
|
$
|
844,847
|
|
|
|
|
$
|
42,895
|
|
|
|
|
$
|
23,954
|
|
|
|
December 31, 2017
|
|
|
|
Adjusted Cost
|
|
|
Unrealized Gains
|
|
|
Unrealized Losses
|
|
|
Fair
Value
|
|
|
Cash and Cash Equivalents
|
|
|
Short-Term Investments
|
|
|
Long-Term Investments
|
|
Cash
|
|
$
|
736,431
|
|
|
$
|
-
|
|
|
$
|
-
|
|
|
$
|
736,431
|
|
|
$
|
736,431
|
|
|
$
|
-
|
|
|
$
|
-
|
|
Level 1:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Mutual funds
|
|
|
17,396
|
|
|
|
-
|
|
|
|
-
|
|
|
|
17,396
|
|
|
|
-
|
|
|
|
-
|
|
|
|
17,396
|
|
TOTAL
|
|
$
|
753,827
|
|
|
$
|
-
|
|
|
$
|
-
|
|
|
$
|
753,827
|
|
|
$
|
736,431
|
|
|
$
|
-
|
|
|
$
|
17,396
|
|
|