Fair Value Measurements (Narrative) (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
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| Fair value disclosure [Abstract] | ||
| Change in fair value | $ 357 | $ 36 |
| X | ||||||||||
- Definition Fair value disclosure [Abstract] No definition available.
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| X | ||||||||||
- Definition Amount of unrealized gain (loss) recognized in income for derivative asset (liability) after deduction of derivative liability (asset), measured at fair value using unobservable input (level 3) and still held. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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