v3.25.4
Fair Value of Financial Instruments - Derivative Contract Positions (Details)
bbl in Thousands, $ in Thousands
Dec. 31, 2025
USD ($)
bbl
Mar. 31, 2025
USD ($)
bbl
Derivative contract information    
Fair Value of Net Assets (Liabilities) $ (430) $ (9,688)
Net cash collateral provided 0 3,104
Net derivative liability (430) (6,584)
Prepaid expenses and other current assets    
Derivative contract information    
Net derivative liability 3,984 1,549
Other noncurrent assets    
Derivative contract information    
Net derivative liability 624 0
Fixed-price contract | Crude oil    
Derivative contract information    
Fair Value of Net Assets (Liabilities) 2,675 (6,492)
Fixed-price contract | Propane    
Derivative contract information    
Fair Value of Net Assets (Liabilities) (1,864)  
Fixed-price contract | Butane    
Derivative contract information    
Fair Value of Net Assets (Liabilities) $ 1,283 $ (482)
Fixed-price contract | Long | Crude oil    
Derivative contract information    
Net Long (Short) Notional Units (in barrels) | bbl   59
Fixed-price contract | Long | Propane    
Derivative contract information    
Net Long (Short) Notional Units (in barrels) | bbl 636  
Fixed-price contract | Short | Crude oil    
Derivative contract information    
Net Long (Short) Notional Units (in barrels) | bbl (540)  
Fixed-price contract | Short | Butane    
Derivative contract information    
Net Long (Short) Notional Units (in barrels) | bbl (213) (1,148)
Interest rate swaps    
Derivative contract information    
Fair Value of Net Assets (Liabilities) $ (2,982) $ (2,539)
Other    
Derivative contract information    
Fair Value of Net Assets (Liabilities) $ 458 $ (175)