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CASH, CASH EQUIVALENTS AND INVESTMENTS (Tables) | 9 Months Ended
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Sep. 30, 2016
Cash And Cash Equivalents [Abstract] |
Schedule of Cash, Cash Equivalents and Investments | Investments as of September 30, 2016 and December 31, 2015 consisted of the following (in thousands):
|  | Amortized |  |  | Unrealized |  |  | Aggregate Fair |
Investment Classification |  | Cost |  |  | Gains |  |  | (Losses) |  |  | Market Value |
September 30, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 6,855 |  |  | $ | 7 |  |  | $ | (2 | ) |  | $ | 6,860 |
Corporate bonds |  |  | 224,376 |  |  |  | — |  |  |  | (247 | ) |  |  | 224,129 |
U.S. Government bonds |  |  | 15,999 |  |  |  | — |  |  |  | (319 | ) |  |  | 15,680 |
|  | $ | 247,230 |  |  | $ | 7 |  |  | $ | (568 | ) |  | $ | 246,669 |
December 31, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 11,532 |  |  | $ | 3 |  |  | $ | (14 | ) |  | $ | 11,521 |
Corporate bonds |  |  | 233,848 |  |  |  | — |  |  |  | (139 | ) |  |  | 233,709 |
U.S. Government bonds |  |  | 54,953 |  |  |  | 1 |  |  |  | (16 | ) |  |  | 54,938 |
|  | $ | 300,333 |  |  | $ | 4 |  |  | $ | (169 | ) |  | $ | 300,168 |

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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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