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CASH, CASH EQUIVALENTS AND INVESTMENTS (Tables) | 12 Months Ended
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Dec. 31, 2020
Cash And Cash Equivalents [Abstract] |
Schedule of Cash, Cash Equivalents | The following table provides details regarding the Company’s portfolio of cash and cash equivalents (in thousands):
|  | Amortized |  |  | Unrealized |  |  | Aggregate Fair |
Cash and Cash Equivalents Classification |  | Cost |  |  | Gains |  |  | (Losses) |  |  | Market Value |
December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash accounts in banking institutions |  | $ | 163,779 |  |  | $ | — |  |  | $ | — |  |  | $ | 163,779 |
Money market accounts |  |  | 17,261 |  |  |  | — |  |  |  | — |  |  |  | 17,261 |
U.S. Government bonds |  |  | 448,970 |  |  |  | 6 |  |  |  | (4 | ) |  |  | 448,972 |
|  | $ | 630,010 |  |  | $ | 6 |  |  | $ | (4 | ) |  | $ | 630,012 |
December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash accounts in banking institutions |  | $ | 119,272 |  |  | $ | — |  |  | $ | — |  |  | $ | 119,272 |
Money market accounts |  |  | 12,355 |  |  |  | — |  |  |  | — |  |  |  | 12,355 |
|  | $ | 131,627 |  |  | $ | — |  |  | $ | — |  |  | $ | 131,627 |
Schedule of Short-Term Investments | The following table provides details regarding the Company’s portfolio of short-term investments (in thousands):
|  | Amortized |  |  | Unrealized |  |  | Aggregate Fair |
Short-term Investments Classification |  | Cost |  |  | Gains |  |  | (Losses) |  |  | Market Value |
December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government bonds |  | $ | 99,929 |  |  | $ | 67 |  |  | $ | — |  |  | $ | 99,996 |
|  | $ | 99,929 |  |  | $ | 67 |  |  | $ | — |  |  | $ | 99,996 |
December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 700 |  |  | $ | — |  |  | $ | — |  |  | $ | 700 |
U.S. Government bonds |  |  | 513,577 |  |  |  | 190 |  |  |  | (6 | ) |  |  | 513,761 |
|  | $ | 514,277 |  |  | $ | 190 |  |  | $ | (6 | ) |  | $ | 514,461 |

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- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Tabular disclosure of the components of cash and cash equivalents. + References No definition available. + Details
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