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CASH, CASH EQUIVALENTS AND INVESTMENTS (Tables) | 9 Months Ended
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Sep. 30, 2015
Cash and Cash Equivalents [Abstract] |
Cash, cash equivalents and investments | Investments as of September 30, 2015 and December 31, 2014 consisted of the following (in thousands):
|  | Amortized |  | Unrealized |  | Aggregate Fair
Investment Classification |  | Cost |  | Gains |  | (Losses) |  | Market Value
September 30, 2015 |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 11,323 |  |  | $ | 10 |  |  | $ | (6 | ) |  | $ | 11,327 |
Corporate bonds |  | 259,883 |  |  | 18 |  |  | (71 | ) |  | 259,830 |
U.S. Government bonds |  | 3,462 |  |  | — |  |  | (2 | ) |  | 3,460 |
|  | $ | 274,668 |  |  | $ | 28 |  |  | $ | (79 | ) |  | $ | 274,617 |
December 31, 2014 |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 11,373 |  |  | $ | 4 |  |  | $ | (13 | ) |  | $ | 11,364 |
Corporate bonds |  | 228,799 |  |  | 14 |  |  | (41 | ) |  | 228,772 |
U.S. Government bonds |  | 5,999 |  |  | — |  |  | — |  |  | 5,999 |
|  | $ | 246,171 |  |  | $ | 18 |  |  | $ | (54 | ) |  | $ | 246,135 |

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- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
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