Cryptocurrencies (Summary of Additional Information About Cryptocurrencies) (Details) - USD ($) $ in Thousands |
9 Months Ended | |
|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
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| Indefinite-lived Intangible Assets (Excluding Goodwill) [Abstract] | ||
| Beginning balance, January 1,2020 | $ 3,839 | |
| Revenue recognized from cryptocurrencies mined | 6,717 | |
| Mining pool operating fees | (94) | |
| Proceeds from sale of cryptocurrencies | (1,029) | |
| Realized gain on sale/exchange of cryptocurrencies | 491 | |
| Impairment of cryptocurrencies | (989) | |
| Cryptocurrencies received from sale of equipment | 52 | |
| Ending balance, September 30, 2020 | $ 8,987 | |
| X | ||||||||||
- Definition Cryptocurrencies classified as current. No definition available.
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| X | ||||||||||
- Definition Cryptocurrencies received from sale of equipment. No definition available.
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| X | ||||||||||
- Definition Impairment of cryptocurrencies. No definition available.
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| X | ||||||||||
- Definition Mining pool operating fees. No definition available.
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| X | ||||||||||
- Definition Realized gain on sale and exchange of cryptocurrencies. No definition available.
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| X | ||||||||||
- Definition Revenue recognized from cryptocurrencies mined. No definition available.
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| X | ||||||||||
- Definition Proceeds from sale of cryptocurrencies. No definition available.
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| X | ||||||||||
- References No definition available.
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