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Other Current Assets - Schedule of Other Current Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Other Current Assets [Line Items]    
Prepaid expenses $ 3,319 $ 2,760
Investment in listed equity securities (notes 8 and 12) 0 224,788
Other receivables 4,166 3,925
Other current assets 72,662 315,234
Commodity contract    
Other Current Assets [Line Items]    
Derivative asset 44,628 73,583
Receivable from TTF linked commodity swap derivatives 7,581 4,638
Interest rate swap    
Other Current Assets [Line Items]    
Derivative asset 5,557 0
Interest Receivable 2,461 1,923
Money market    
Other Current Assets [Line Items]    
Interest Receivable $ 4,950 $ 3,617