Leases - Cash Flow and Supplemental Information (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Leases [Abstract] | |||
| Operating cash flows used in operating leases | $ 232 | $ 114 | $ 151 |
| Operating cash flows used in short-term leases | $ 35 | $ 68 | $ 72 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cash outflow for short-term lease payment excluded from lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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