v3.26.1
Derivative Instruments - Derivative Assets and Liabilities (Details)
$ in Millions
Jun. 30, 2026
USD ($)
Jun. 30, 2026
bbl
Jun. 30, 2026
MMBTU
Jun. 30, 2026
rIN
Dec. 31, 2025
USD ($)
Dec. 31, 2025
bbl
Dec. 31, 2025
MMBTU
Dec. 31, 2025
rIN
Derivatives, Fair Value [Line Items]                
Assets $ 89.4       $ 15.0      
Less: Counterparty netting and cash collateral, assets 81.1       14.3      
Total net fair value of derivative assets 8.3       0.7      
Liabilities (172.5)       (21.7)      
Less: Counterparty netting and cash collateral, liabilities (83.6)       (16.7)      
Total net fair value of derivative liabilities (88.9)       (5.0)      
Cash collateral 2.5       2.4      
Commodity derivatives                
Derivatives, Fair Value [Line Items]                
Open derivative positions   22,536,000 0     8,950,000 0  
Commodity derivatives | Derivatives not designated as hedging instruments: | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent                
Derivatives, Fair Value [Line Items]                
Assets 84.3       15.0      
Liabilities (83.6)       (16.7)      
Commodity derivatives | Derivatives not designated as hedging instruments: | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent                
Derivatives, Fair Value [Line Items]                
Assets 0.0       0.0      
Liabilities (5.0)       0.0      
RINs commitment contracts | Derivatives not designated as hedging instruments:                
Derivatives, Fair Value [Line Items]                
Open derivative positions | rIN       15,460,000       112,250,000
RINs commitment contracts | Derivatives not designated as hedging instruments: | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent                
Derivatives, Fair Value [Line Items]                
Assets 0.7       0.0      
Liabilities 0.0       0.0      
RINs commitment contracts | Derivatives not designated as hedging instruments: | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesCurrent                
Derivatives, Fair Value [Line Items]                
Assets 0.0       0.0      
Liabilities 0.0       (2.7)      
Interest Rate Swap | Derivatives not designated as hedging instruments: | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent                
Derivatives, Fair Value [Line Items]                
Assets 4.4       0.0      
Liabilities 0.0       0.0      
Interest Rate Swap | Derivatives not designated as hedging instruments: | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent                
Derivatives, Fair Value [Line Items]                
Assets 0.0       0.0      
Liabilities (3.9)       (2.3)      
Crude exchange contract | Derivatives not designated as hedging instruments: | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent                
Derivatives, Fair Value [Line Items]                
Assets 0.0       0.0      
Liabilities $ (80.0)       $ 0.0