Cryptocurrencies (Summary of Additional Information About Cryptocurrencies) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Indefinite-lived Intangible Assets (Excluding Goodwill) [Abstract] | ||
| Cryptocurrencies, beginning balance | $ 3,839 | $ 707 |
| Revenue recognized from cryptocurrencies mined | 11,984 | 6,741 |
| Mining pool operating fees | (146) | (135) |
| Proceeds from sale of cryptocurrencies | (8,298) | (3,196) |
| Purchase of miner equipment with cryptocurrencies | (99) | |
| Realized gain on sale/exchange of cryptocurrencies | 5,184 | 665 |
| Impairment of cryptocurrencies | (989) | (844) |
| Cryptocurrencies received from sale of equipment | 52 | |
| Cryptocurrencies, ending balance | $ 11,626 | $ 3,839 |
| X | ||||||||||
- Definition Cryptocurrencies classified as current. No definition available.
|
| X | ||||||||||
- Definition Cryptocurrencies received from sale of equipment. No definition available.
|
| X | ||||||||||
- Definition Impairment of cryptocurrencies. No definition available.
|
| X | ||||||||||
- Definition Mining pool operating fees. No definition available.
|
| X | ||||||||||
- Definition Realized gain on sale of cryptocurrencies. No definition available.
|
| X | ||||||||||
- Definition Revenue recognized from cryptocurrencies mined. No definition available.
|
| X | ||||||||||
- Definition Sale of cryptocurrencies. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition. No definition available.
|