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Revenue from contracts with customers - Significant Customers (Details) - Customer concentration risk
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Revenue | Customer A    
Concentration Risk [Line Items]    
Concentration risk, percentage (more than for accounts receivable) 15.00% 14.00%
Revenue | Customer B    
Concentration Risk [Line Items]    
Concentration risk, percentage (more than for accounts receivable) 13.00% 13.00%
Accounts Receivable | Three customers    
Concentration Risk [Line Items]    
Concentration risk, percentage (more than for accounts receivable) 10.00%  
Accounts Receivable | One customer    
Concentration Risk [Line Items]    
Concentration risk, percentage (more than for accounts receivable)   10.00%