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Shareholders Equity (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jul. 19, 2021
USD ($)
shares
Jun. 11, 2021
shares
Jun. 30, 2022
USD ($)
$ / shares
shares
Jun. 30, 2022
USD ($)
D
$ / shares
shares
Mar. 21, 2022
Dec. 31, 2021
Jun. 30, 2021
May 27, 2021
USD ($)
item
shares
Jan. 31, 2017
Shareholders' Equity                  
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%  
Conversion price percentage     95.00% 95.00%          
Loss recognized from increase in liability | $     $ (21,981) $ (93,733)          
Proceeds from issuance of common shares, net of issuance costs | $       $ 3,767          
5.10% senior notes due September 2023                  
Shareholders' Equity                  
Interest rate (as a percent)     5.10% 5.10%   5.10%      
0.75% senior exchangeable notes due January 2024                  
Shareholders' Equity                  
Interest rate (as a percent)     0.75% 0.75% 0.75% 0.75% 0.75%   0.75%
5.75% senior notes due February 2025                  
Shareholders' Equity                  
Interest rate (as a percent)     5.75% 5.75%   5.75% 5.75%    
7.25% senior notes due January 2026                  
Shareholders' Equity                  
Interest rate (as a percent)     7.25% 7.25%          
Common Stock Warrants                  
Shareholders' Equity                  
Number of warrants received per common share held               0.40  
Number of warrants issued   3,200,000              
Number of business day notice period | D       20          
Fair value of outstanding warrants | $     $ 78,700 $ 78,700       $ 2,700  
Loss recognized from increase in liability | $     $ (23,800) $ (97,000)          
Warrants outstanding     2,500,000 2,500,000          
Common Stock                  
Shareholders' Equity                  
Shares issued in connection with acquisition of certain development stage technologies in the energy transition space 147,974                
Value of shares issued in connection with acquisition of certain development stage technologies in the energy transition space | $ $ 12,900                
Number of shares which may be forfeited under certain conditions 71,280                
Forfeiture period 2 years                
Aggregate number of shares issued from the exercise of warrants     1,100,000 1,100,000          
Number of shares which may be purchased by each right     1 1          
Exercise price (in dollars per share) | $ / shares     $ 166.66667 $ 166.66667          
Number of additional securities which may be issued due to the incentive share component     0.333 0.333