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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Statement of Stockholders' Equity [Abstract] |  |  |  |
Marketable Securities, Gain (Loss) | $ 2 | $ 3 |  | $ 3
Offering cost |  |  | $ 2,365 |

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- Definition Offering cost. + References No definition available. + Details
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- Definition Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI). + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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