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Shareholders Equity (Details)
$ / shares in Units, $ in Thousands
3 Months Ended
Jul. 19, 2021
USD ($)
shares
Jun. 11, 2021
shares
Mar. 31, 2022
USD ($)
D
$ / shares
shares
Mar. 31, 2021
$ / shares
Dec. 31, 2021
$ / shares
shares
May 27, 2021
USD ($)
item
$ / shares
shares
Common Shares            
Common shares, shares authorized     32,000,000   32,000,000  
Common shares, par value (in dollars per share) | $ / shares     $ 0.05   $ 0.05  
Shares issued in connection with acquisition of carbon capture and hydrogen technologies 147,974          
Value of shares issued in connection with acquisition of carbon capture and hydrogen technologies | $ $ 12,900          
Number of shares that are forfeitable if certain milestones are not achieved over the next two years 71,280          
Proceeds from issuance of common shares, net of issuance costs | $     $ 257      
Preferred Stock, Dividends Per Share, Declared | $ / shares       $ 0.75    
Number of right share for each outstanding common share           1
Number of warrants received per common share held   0.40        
Number of warrants issued   3,200,000        
Warrants outstanding     2,500,000      
Number of common shares issued as a result of exercise of warrants     1,000,000.0      
Exercise price (in dollars per share) | $ / shares           $ 166.66667
Number of additional securities           0.333
Multiplying factor for exercise of warrants | item           3
Percentage volume weighted average price of stock times factor must exceed sum of volume weighted average prices of second, third and fourth days before exercise           6.00%
Interest rate (as a percent)     5.50%   5.10%  
Conversion price percentage           95.00%
Number of business day notice period | D     20      
Fair value of the Warrants | $     $ 57,200     $ 2,700
Loss on fair value adjustment for warrants | $     $ 73,202      
5.10% senior notes due September 2023            
Common Shares            
Interest rate (as a percent)     5.10%   5.10%  
0.75% senior exchangeable notes due January 2024            
Common Shares            
Interest rate (as a percent)     0.75%   0.75%  
5.75% senior notes due February 2025            
Common Shares            
Interest rate (as a percent)     5.75%   5.75%  
7.25% senior notes due January 2026            
Common Shares            
Interest rate (as a percent)     7.25%