v3.26.1
Fair Value of Financial Instruments - Derivative Contract Positions (Details)
bbl in Thousands, $ in Thousands
Mar. 31, 2026
USD ($)
bbl
Mar. 31, 2025
USD ($)
bbl
Derivative contract information    
Fair Value of Net Assets (Liabilities) $ (41,948) $ (9,688)
Net cash collateral provided (held) 14,018 3,104
Net derivative (liability) asset (27,930) (6,584)
Fixed-price contract | Crude oil    
Derivative contract information    
Fair Value of Net Assets (Liabilities) (23,656) (6,492)
Fixed-price contract | Propane    
Derivative contract information    
Fair Value of Net Assets (Liabilities) 153  
Fixed-price contract | Butane    
Derivative contract information    
Fair Value of Net Assets (Liabilities) $ (12,003) $ (482)
Fixed-price contract | Long | Crude oil    
Derivative contract information    
Net Long (Short) Notional Units (in barrels) | bbl   59
Fixed-price contract | Short | Crude oil    
Derivative contract information    
Net Long (Short) Notional Units (in barrels) | bbl (580)  
Fixed-price contract | Short | Propane    
Derivative contract information    
Net Long (Short) Notional Units (in barrels) | bbl (163)  
Fixed-price contract | Short | Butane    
Derivative contract information    
Net Long (Short) Notional Units (in barrels) | bbl (1,277) (1,148)
Interest rate swaps    
Derivative contract information    
Fair Value of Net Assets (Liabilities) $ (1,169) $ (2,539)
Other    
Derivative contract information    
Fair Value of Net Assets (Liabilities) $ (5,273) $ (175)