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Taxation (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 01, 2008
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Taxation (Details) [Line Items]        
Unified corporate income tax rate 25.00%      
Preferential tax rate 15.00%      
Preferential tax rate extension period 3 years      
Net operating loss carryforwards (in Dollars)   $ 134,896 $ 100,986 $ 61,257
Minimum [Member]        
Taxation (Details) [Line Items]        
Statutory income tax rate     15.00%  
Carry-over period   5 years    
Net operating loss carryforwards expiration year   2027    
Maximum [Member]        
Taxation (Details) [Line Items]        
Statutory income tax rate     25.00%  
Carry-over period   10 years    
Net operating loss carryforwards expiration year   2031    
HONG KONG        
Taxation (Details) [Line Items]        
Statutory income tax rate   16.50%    
Shenzhen Ucloudlink Technology Limited [Member]        
Taxation (Details) [Line Items]        
Preferential tax rate   15.00%   15.00%
Preferential tax rate extension period       3 years