v3.22.4
Equity - Narrative (Details)
 1 Months Ended 12 Months Ended
Feb. 23, 2021
USD ($)
$ / shares
shares
Nov. 30, 2021
USD ($)
tranche
$ / shares
shares
Dec. 31, 2022
USD ($)
shares
plan
$ / shares
Dec. 31, 2021
USD ($)
shares
Mar. 31, 2021
USD ($)
Dec. 31, 2020
shares
Disclosure of classes of share capital [line items]            
Total purchase consideration | $     $ 1,782,000      
Number of shares issued (in shares)     112,451      
Deferred finance cost | $     $ 20,000      
Number of tranches | tranche   3        
Shares issued (in shares)     298,394,203 297,700,295    
Compensation expense | $     $ 9,408,000 $ 9,669,000    
Options exercised (in shares)     304,635 549,281    
Proceeds from exercise of options | $     $ 916,000 $ 2,415,000    
Options granted (in shares)     1,263,685 540,116    
Weighted average fair value, share options granted (usd per share) | $     $ 4.92 $ 10.76    
Options outstanding (in shares)     4,807,620 4,041,567   4,149,639
Shares to be issued (in shares)     18,844,127 19,540,514    
Share-based compensation | $     $ 9,408,000 $ 9,669,000    
Ballard Motive Solutions            
Disclosure of classes of share capital [line items]            
Total purchase consideration | $   $ 39,917,000        
Number of shares issued (in shares)   337,353        
Price per share (usd per share) | $ / shares   $ 18.30        
Net proceeds | $   $ 4,851,000        
Bought Deal Offering            
Disclosure of classes of share capital [line items]            
Number of shares issued (in shares) 14,870,000   14,870,000      
Price per share (usd per share) | $ / shares $ 37.00   $ 37.00      
Net proceeds | $ $ 527,291,000   $ 527,291,000      
Gross proceeds from offering | $ $ 550,190,000   $ 550,190,000      
Prospectus            
Disclosure of classes of share capital [line items]            
Sale of stock authorized amount | $         $ 1,500,000,000  
Common shares            
Disclosure of classes of share capital [line items]            
Options exercised (in shares)     304,635 549,281    
Proceeds from exercise of options | $     $ 916,000 $ 2,415,000    
Stock Option            
Disclosure of classes of share capital [line items]            
Award term (years)     7 years      
Award vesting percentage     33.33%      
Compensation expense | $     $ 6,101,000 6,093,000    
Award vesting period (years)     3 years      
DSUs            
Disclosure of classes of share capital [line items]            
Compensation expense | $     $ 529,000 $ 672,000    
Number of common shares each unit is redeemable for (in shares)     1      
Number of shares granted (in shares)     80,319 35,953    
Exercised (in shares)     126,862 99,761    
Common shares issued (in shares)     58,990 46,388    
Share-based compensation | $     $ 753,000 $ 1,290,000    
Outstanding (in shares)     709,680 756,223   820,031
Granted (in shares)     80,319 35,953    
RSUs            
Disclosure of classes of share capital [line items]            
Compensation expense | $     $ 2,778,000 $ 2,904,000    
Options exercised (in shares)     217,832 156,449    
Number of common shares each unit is redeemable for (in shares)     1      
Exercised (in shares)     460,681 325,863    
Share-based compensation | $     $ 2,466,000 $ 4,357,000    
Outstanding (in shares)     1,002,080 966,220   1,129,946
Number of plans | plan     2      
Granted (in shares)     567,693 195,838