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Investments in Associates - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Jan. 13, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
May 25, 2022
Jan. 14, 2022
Dec. 30, 2021
Disclosure of associates [Line Items]              
Gain on dilution of ownership interest in associate   $ 28,220 $ 0 $ 0      
Impairment of investment in associate   (8,390) 0 0      
Investment in associates - equity method   9,147 0 0      
Capstar              
Disclosure of associates [Line Items]              
SPAC exchange, PIPE transaction, amount             $ 15,000
Stock committed to acquire during period (in dollars per share)             $ 10
Business combination, number of additional shares received at no additional cost (in shares) 1,322,500            
Business combination, additional shares to be received at no additional cost, fair value   11,200          
Business combination, additional shares to be received at no additional cost, transaction cost   0          
Business combination, number of shares received for additional cost (in shares) 496,145            
Business combination, investment in common share $ 5,000            
Capstar | Derivative Asset, Backstop Agreement              
Disclosure of associates [Line Items]              
Gains (losses) arising from difference between fair value and transaction price of derivative assets through profit or loss   10,400 800        
Gains (losses) on change in fair value of derivatives   (2,800)          
Gain (loss) on derivative assets recognized through profit or loss   7,600          
Derivative financial assets $ 8,400            
Gelesis Holdings Inc.              
Disclosure of associates [Line Items]              
Number of shares in entity held by entity or by its subsidiaries or associates (in shares)           16,727,582  
Percentage of voting equity interests acquired           23.20%  
Gelesis              
Disclosure of associates [Line Items]              
Investments in associates accounted for using equity method       $ 0      
Unrecognized equity method losses   $ 0 38,101        
Unrecognised share of losses of associates, other comprehensive loss     $ (700)        
Percentage ownership interest   22.50% 42.00% 47.90%      
Percentage of voting equity interests acquired 22.80%   42.00%        
Gain on dilution of ownership interest in associate $ 28,300            
Investment in associates - equity method   $ 4,910 $ 0        
Sonde              
Disclosure of associates [Line Items]              
Investments in associates accounted for using equity method         $ 7,680    
Percentage of voting equity interests acquired   40.17%     48.20%    
Ownership percentage of associate's equity   93.60%          
Share of profit (loss) of associates accounted for using equity method   $ 3,400          
Sonde | Preferred A-1 Shares              
Disclosure of associates [Line Items]              
Investments in associates accounted for using equity method         $ 7,700