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Investment in Laramie Energy - Change in Equity Investment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Equity earnings from Laramie Energy, LLC $ 4,563 $ 10,706
Laramie Energy Company    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Beginning balance 14,279  
Equity earnings from Laramie Energy, LLC 2,949  
Accretion of basis difference 1,614  
Ending balance $ 18,842