Condensed Consolidated Statement of Stockholders' Equity (Unaudited) (Parenthetical) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
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| Statement of Stockholders' Equity [Abstract] | |||
| Marketable debt securities, net realized losses | $ 33 | $ 4 | $ 133 |
| X | ||||||||||
- Definition Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI). No definition available.
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| X | ||||||||||
- References No definition available.
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