Other Non-current Assets (Tables)
 12 Months Ended
Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Other Non-current Assets
Other
non-current
assets consisted of the following:
 
 
  
As of December 31,
 
 
  
2020
 
 
  
 
  
2021
 
 
  
 
 
 
 
 
  
 
 
 
  
(US$ thousand)
 
Deferred
financing costs
    $ —                $ 2,289  
Long-term deposits
      1,024                1,136  
Equipment in-transit

      470                273  
Others
      110                221  
    
 
 
             
 
 
  
     $ 1,604              $ 3,919