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Marketable Securities (Tables) | 12 Months Ended
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Dec. 31, 2019
Investments, Debt and Equity Securities [Abstract] |
Available-For-Sale Securities | Available-for-sale marketable securities as of December 31, 2019 and 2018 were as follows (in thousands):
| December 31, 2019 |  |  |  |  |  |
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Government-sponsored enterprises | $ | 13,216 |  |  | $ | 6 |  |  | $ | — |  |  | $ | 13,222 |
Corporate debt securities | 76,052 |  |  | 20 |  |  | (10) |  |  | 76,062 |
Total | $ | 89,268 |  |  | $ | 26 |  |  | $ | (10) |  |  | $ | 89,284 |
| December 31, 2018 |  |  |  |  |  |
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Corporate debt securities | $ | 12,738 |  |  | $ | — |  |  | $ | (3) |  |  | $ | 12,735 |
All of the Company's available-for-sale securities held at December 31, 2019 and 2018 had maturity dates of less than one year.

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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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