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Investment in Laramie Energy - Change in Equity Investment (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Equity losses from Laramie Energy $ (336) $ 0 $ 2,867 $ 10,706
Dividends received     (10,160) (1,528)
Laramie Energy Company        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Beginning balance 15,997 0 14,279 0
Equity losses from Laramie Energy (1,950) 0 (1,976) 0
Accretion of basis difference 1,614 0 4,843 0
Dividends received 0 0 (1,485) 0
Ending balance $ 15,661 $ 0 $ 15,661 $ 0