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Financial Instruments - Disclosure of changes in financial liabilities, level 3 fair value - subsidiary preferred shares and convertible notes (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of financial liabilities [line items]      
Balance at beginning of period $ 192,808    
Balance at end of period 35,664 $ 192,808  
Subsidiary preferred shares      
Disclosure of financial liabilities [line items]      
Balance at beginning of period 174,017    
Change in fair value (130,825) (8,362)  
Deconsolidation (15,853)    
Balance at end of period 27,339 174,017  
Subsidiary preferred shares | At fair value      
Disclosure of financial liabilities [line items]      
Balance at beginning of period 174,017 118,972 $ 100,989
Value at issuance 0 37,610 13,750
Change in fair value (130,825) (8,362) 4,233
Accrued interest – contractual 0 0  
Conversion to subsidiary preferred shares   25,797  
Deconsolidation (15,853)    
Balance at end of period 27,339 174,017 118,972
Subsidiary convertible notes      
Disclosure of financial liabilities [line items]      
Change in fair value 502 175  
Conversion to subsidiary preferred shares   (25,797)  
Subsidiary convertible notes | At fair value      
Disclosure of financial liabilities [line items]      
Balance at beginning of period 2,461 25,000 0
Value at issuance 393 2,215 25,000
Change in fair value 502 175 0
Accrued interest – contractual 48 867  
Conversion to subsidiary preferred shares   (25,797)  
Deconsolidation (3,403)    
Balance at end of period $ 0 $ 2,461 $ 25,000