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Other income (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]      
Other Income $ 7,171 $ 12,306 $ 3,342
Income from payments received from European authorities 5,600 5,300 1,900
Employee retention income 0 2,600 $ 0
VectorY B.V      
Schedule of Equity Method Investments [Line Items]      
Settlement Income $ 300 $ 3,000  
Number of shares acquired in conjunction with settlement agreement   69,899