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Assets and liabilities held for sale - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Feb. 28, 2023
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Loss on the sale of business classified as held for sale (refer to Note 8)   $ (802) $ 0  
The Business        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Percentage of issued and outstanding shares (in percent)       100.00%
Contingent consideration, asset       $ 10,600
Net consideration transferred   2,091    
Loss on the sale of business classified as held for sale (refer to Note 8)   $ (802)    
Impairment charge on assets classified as held-for-sale       $ 32,575
The Business | Fixed Rate Unsecured Loan Note        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Interest rate on senior notes (in percentage)       1.50%
Debt instrument, face amount       $ 18,001
Payment for debt extinguishment $ 18,001