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Share Capital and Share Premium - Authorised share capital (Details) - USD ($)
$ / shares in Units, $ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Disclosure of classes of share capital [line items]    
Value of shares authorised $ 2,200 $ 2,200
Common Shares [member]    
Disclosure of classes of share capital [line items]    
Number of shares authorised 500,000,000 500,000,000
Par value per share $ 0.004 $ 0.004
Value of shares authorised $ 2,000 $ 2,000
Class B Common Shares [member]    
Disclosure of classes of share capital [line items]    
Number of shares authorised 100,000,000 100,000,000
Par value per share $ 0.001 $ 0.001
Value of shares authorised $ 100 $ 100
Preferred shares [member]    
Disclosure of classes of share capital [line items]    
Number of shares authorised 100,000,000 100,000,000
Par value per share $ 0.001 $ 0.001
Value of shares authorised $ 100 $ 100