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Revenue and Accounts Receivable - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 33 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2024
Nov. 30, 2023
Disaggregation of Revenue [Line Items]        
Percent of customers excluded 89.00%      
Reduction to bad debt expense $ (8,623) $ (6,750)    
Recovery of uncollectible accounts, not yet been written off   $ 4,192    
Mississippi Public Service Commission        
Disaggregation of Revenue [Line Items]        
Recovery of uncollectible accounts, term   2 years   1 year
Reduction to bad debt expense   $ 13,900    
Recovery of uncollectible accounts, previously written off but not yet recovered through rates     $ 9,700  
Recovery of uncollectible accounts, not yet been written off   $ 4,200    
Pipeline and storage segment        
Disaggregation of Revenue [Line Items]        
Regulatory mechanism threshold 75.00%