Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) - USD ($) $ in Thousands  | 
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
Sep. 30, 2020  | 
Sep. 30, 2021  | 
Sep. 30, 2020  | 
|
| Statement of Stockholders' Equity [Abstract] | |||
| Marketable Securities, Gain (Loss) | $ 4 | $ 4 | |
| Offering cost | $ 2,365 | ||
| X | ||||||||||
- Definition Offering cost. No definition available. 
  | 
| X | ||||||||||
- Definition Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI). No definition available. 
  | 
| X | ||||||||||
- References No definition available. 
  |