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CASH, CASH EQUIVALENTS AND INVESTMENTS (Tables) | 6 Months Ended
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Jun. 30, 2014
Cash and Cash Equivalents [Abstract] |
Cash, cash equivalents and investments | Investments as of June 30, 2014 and December 31, 2013 consisted of the following (in thousands):
|  | Amortized |  | Unrealized |  | Aggregate Fair
Investment Classification |  | Cost |  | Gains |  | (Losses) |  | Market Value
June 30, 2014 |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 10,985 |  |  | $ | 7 |  |  | $ | (11 | ) |  | $ | 10,981 |
Corporate bonds |  | 203,841 |  |  | 40 |  |  | (6 | ) |  | 203,875 |
U.S. Government bonds |  | 2,998 |  |  | — |  |  | (1 | ) |  | 2,997 |
Convertible notes |  | — |  |  | — |  |  | — |  |  | — |
|  | $ | 217,824 |  |  | $ | 47 |  |  | $ | (18 | ) |  | $ | 217,853 |
December 31, 2013 |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 11,358 |  |  | $ | 2 |  |  | $ | (16 | ) |  | $ | 11,344 |
Corporate bonds |  | 190,738 |  |  | 33 |  |  | (48 | ) |  | 190,723 |
U.S. Government bonds |  | 3,074 |  |  | — |  |  | — |  |  | 3,074 |
Convertible notes |  | 4,300 |  |  | — |  |  | — |  |  | 4,300 |
|  | $ | 209,470 |  |  | $ | 35 |  |  | $ | (64 | ) |  | $ | 209,441 |

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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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