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Long-term financial investments (Tables)
 12 Months Ended
Dec. 31, 2023
Long-term Financial Investments [Abstract]  
Schedule of Equity- Accounted Investments
In addition to the above equity-accounted investments, the Corporation has also acquired ownership interest in various other investments.
Net carrying valueDecember 31, 2022Contributions (Proceeds)Change in Fair ValueDecember 31, 2023
Long-term investment - Forsee Power$18,470 $— $(3,501)$14,969 
Long-term investment - Wisdom Motor10,000 (1,000)(4,900)4,100 
Long-term investment - Quantron AG5,333 3,304 (4,237)4,400 
Long-term investment - HyCap Fund7,963 4,624 214 12,801 
Long-term investment - Clean H2 Fund565 3,983 (473)4,075 
$42,331 $10,911 $(12,897)$40,345 
Net carrying valueDecember 31, 2021Contributions (Proceeds)Change in Fair ValueDecember 31, 2022
Long-term investment - Forsee Power$33,335 $— $(14,865)$18,470 
Long-term investment - Wisdom Motor— 10,000 — 10,000 
Long-term investment - Quantron AG— 5,183 150 5,333 
Long-term investment - HyCap Fund7,636 1,924 (1,597)7,963 
Long-term investment - Clean H2 Fund339 806 (580)565 
$41,310 $17,913 $(16,892)$42,331