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Related Party Transactions and Balances - Schedule of Loan From Non-controlling Shareholder (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Related Party Transactions [Abstract]    
Loan - current $ 6,155 $ 6,607
Loan - non - current 6,130 1,436
Due to related parties $ 12,285 $ 8,043