v3.22.4
Provisions and other liabilities - Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Jan. 01, 2022
Nov. 30, 2021
Nov. 11, 2021
Disclosure of other provisions [line items]          
Provisions made during year $ 12,219 $ 30,900      
Upward adjustments / increase in provision 0        
Expenditures 17,611 4,030      
Downward adjustments / provision eliminated 10,140 1,112      
Effect of movements in exchange rates (105) (5)      
Onerous contracts provision (notes 4 & 18) 4,400 1,200 $ 1,200    
Contingent consideration $ 2,078        
Numerous milestone objective period 3 years        
Payment of contingent consideration liability $ 14,900        
Top of range          
Disclosure of other provisions [line items]          
Payment of contingent consideration liability 27,000        
Arcola Energy Limited          
Disclosure of other provisions [line items]          
Liabilities incurred         $ 26,258
Arcola Energy Limited | Top of range          
Disclosure of other provisions [line items]          
Contingent consideration         $ 27,000
Ballard Services Inc.          
Disclosure of other provisions [line items]          
Contingent consideration       $ 27,000  
Liabilities incurred       $ 26,258  
Contingent consideration liability 9,891        
Cumulative Effect, Period of Adoption, Adjustment | Onerous Contracts-Cost of Fulfilling Contract          
Disclosure of other provisions [line items]          
Onerous contracts provision (notes 4 & 18)     $ 1,200    
Warranty provision          
Disclosure of other provisions [line items]          
Provisions made during year 5,851 4,102      
New additions to provision 4,580 2,711      
Upward adjustments / increase in provision 1,271 1,391      
Expenditures 2,391 3,894      
Downward adjustments / provision eliminated 860 1,112      
Effect of movements in exchange rates 15 (9)      
Decommissioning liabilities          
Disclosure of other provisions [line items]          
Provisions made during year 45 109      
New additions to provision 44 44      
Upward adjustments / increase in provision   65      
Expenditures 0 0      
Downward adjustments / provision eliminated 0 0      
Effect of movements in exchange rates $ (117) $ 4      
Estimated future cash flows discounted percentage 3.41% 1.25%      
Undiscounted amount of the estimated cash flows $ 1,805 $ 1,877      
Legal provision          
Disclosure of other provisions [line items]          
Provisions made during year 2,968 0      
Expenditures 0 0      
Downward adjustments / provision eliminated 0 0      
Effect of movements in exchange rates 0 $ 0      
Contract termination $ 2,968