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Deferred Tax - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Reconciliation Of Changes In Deferred Tax Assets and Liabilities [Line Items]    
Deferred tax carry forward period 5 years 5 years
Hong Kong    
Reconciliation Of Changes In Deferred Tax Assets and Liabilities [Line Items]    
Tax losses $ 1,900,000 $ 38,000
China    
Reconciliation Of Changes In Deferred Tax Assets and Liabilities [Line Items]    
Tax losses $ 90,900,000 91,800,000
Withholding tax percentage 10.00%  
Income tax rate 10.00%  
China | Subsidiaries    
Reconciliation Of Changes In Deferred Tax Assets and Liabilities [Line Items]    
Reserves/(deficits) $ 0 0
Ireland    
Reconciliation Of Changes In Deferred Tax Assets and Liabilities [Line Items]    
Tax losses $ 118,600,000 $ 82,900,000
Deferred tax carry back period 1 year 1 year
United States of America    
Reconciliation Of Changes In Deferred Tax Assets and Liabilities [Line Items]    
Tax losses $ 149,900,000 $ 226,600,000
Withholding tax percentage 30.00%  
Income tax rate 5.00%  
United States of America | Subsidiaries    
Reconciliation Of Changes In Deferred Tax Assets and Liabilities [Line Items]    
Reserves/(deficits) $ 0 $ 0