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Assets and liabilities held for sale - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Impairment charge on assets classified as held for sale $ 32,575 $ 0 $ 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%    
Assets held for sale before impairment $ 29,803    
Disposal group, liabilities, current 1,288    
Contingent consideration, asset 10,600    
Net consideration transferred 2,114    
Consideration received 17,769    
Purchase consideration $ 19,883    
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    
Finite-lived intangible assets      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Impairment charge on assets classified as held for sale 26,171    
Property, plant and equipment      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Impairment charge on assets classified as held for sale 22    
Goodwill      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Impairment charge on assets classified as held for sale 1,625    
Prepaid expenses and other current assets      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Impairment charge on assets classified as held for sale 4,662    
Receivables      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Impairment charge on assets classified as held for sale 95    
Disposal group, held-for-sale, not discontinued operations      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Assets held for sale before impairment 7,198    
Disposal group, liabilities, current $ 5,252