XML 179 R123.htm IDEA: XBRL DOCUMENT v3.22.1
Share capital - Additional information (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended 27 Months Ended
Mar. 30, 2021
USD ($)
shares
Mar. 30, 2021
CAD ($)
shares
Sep. 30, 2020
USD ($)
shares
Sep. 30, 2020
CAD ($)
shares
Jun. 25, 2020
USD ($)
shares
Jun. 25, 2020
CAD ($)
shares
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2021
USD ($)
shares
Mar. 30, 2021
$ / shares
Sep. 30, 2020
$ / shares
Jun. 25, 2020
$ / shares
Dec. 31, 2019
USD ($)
Disclosure of classes of share capital [line items]                          
Issuance of common shares, net of issuance costs | $             $ 14,552,000 $ 95,992,000          
ATM Program                          
Disclosure of classes of share capital [line items]                          
Maximum issuance of common shares from treasury, value | $                         $ 125,000,000
Number of shares issued during period (in shares) | shares               8,353,042 14,458,000        
Issuance of common shares, net of issuance costs | $                 $ 121,540,000        
Private Placement                          
Disclosure of classes of share capital [line items]                          
Number of shares issued during period (in shares) | shares 1,100,000 1,100,000     384,616 384,616              
Issuance of common shares, net of issuance costs $ 13,930,000 $ 17,600     $ 3,664,000 $ 5,000              
Value of shares issued during period (per share)                   $ 16.00   $ 13.00  
Premium value (in dollars per share)                   $ 2.82   $ 0.45  
Premium value | $ $ 2,456,000   $ 1,056,000   $ 127,000                
Private Placement 1                          
Disclosure of classes of share capital [line items]                          
Number of shares issued during period (in shares) | shares     435,324 435,324                  
Issuance of common shares, net of issuance costs     $ 5,248,000 $ 7,000                  
Value of shares issued during period (per share)                     $ 16.08    
Premium value (in dollars per share)                     2.03    
Private Placement 2                          
Disclosure of classes of share capital [line items]                          
Number of shares issued during period (in shares) | shares     176,160 176,160                  
Issuance of common shares, net of issuance costs     $ 2,249,000 $ 3,000                  
Value of shares issued during period (per share)                     17.03    
Premium value (in dollars per share)                     $ 2.98