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Related Party Transactions - Additional Information (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 18, 2022
Feb. 28, 2023
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Nov. 30, 2021
Sep. 30, 2021
Nov. 30, 2018
Related Party Transaction [Line Items]                  
Interest on finance lease liabilities - related party     $ 0 $ 0 $ 0 $ 7,006      
Drawing expenses     0   0        
Expiration date Apr. 30, 2025                
2021 Kaiser Letters Of Credit Obtained                  
Related Party Transaction [Line Items]                  
Long-Term Line of Credit     $ 27,300   27,300        
EELP                  
Related Party Transaction [Line Items]                  
Interest on finance lease liabilities - related party       $ 7,000   $ 14,700      
KFMC-ENE Onshore Note                  
Related Party Transaction [Line Items]                  
Long-Term Line of Credit             $ 25,000    
AGT LOC [Member]                  
Related Party Transaction [Line Items]                  
Payments for annual fees   $ 1,000     $ 1,200        
Kaiser Note Payable                  
Related Party Transaction [Line Items]                  
Total related party debt               $ 16,500  
KFMC Promissory Note                  
Related Party Transaction [Line Items]                  
Long-Term Line of Credit                 $ 250,000
Expiration date         Dec. 31, 2023        
Total related party debt               $ 57,200  
KFMC Promissory Note | London Interbank Offered Rate LIBOR [Member]                  
Related Party Transaction [Line Items]                  
Interest rate         1.55%