v3.25.3
Debt (Narrative) (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2025
USD ($)
Apr. 03, 2025
USD ($)
Jul. 19, 2024
USD ($)
extension
May 09, 2024
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Feb. 27, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 11, 2024
Dec. 10, 2024
Debt Instrument [Line Items]                        
Net Value $ 3,096,762,000       $ 3,096,762,000   $ 3,096,762,000     $ 3,727,860,000    
SENIOR UNSECURED NOTES, net of debt issuance costs, discount and premium 3,100,000,000       3,100,000,000   3,100,000,000     3,500,000,000    
Loss on extinguishment of debt         0 $ 0 (9,779,000) $ (1,429,000)        
Repayment of senior unsecured notes             $ 414,370,000 $ 339,310,000        
Senior Notes | Guarantor Subsidiary | Genesis Energy, LLC | Genesis Finance Corporation                        
Debt Instrument [Line Items]                        
Percentage of equity interest             100.00%          
Senior Secured Credit Facility | Credit Facility                        
Debt Instrument [Line Items]                        
Credit facility extension period     1 year                  
Credit facility, number of extensions | extension     2                  
Debt Instrument, Covenant Compliance, Consolidated Leverage Ratio, Maximum Cash Netting                 $ 25,000,000      
Senior Secured Credit Facility | Credit Facility | Maximum | Debt Covenant Period One                        
Debt Instrument [Line Items]                        
Maximum consolidated leverage ratio                     5.75 5.50
Senior Secured Credit Facility | Credit Facility | Maximum | Debt Covenant Period Two                        
Debt Instrument [Line Items]                        
Maximum consolidated leverage ratio                     5.50  
Senior Secured Credit Facility | Credit Facility | Minimum | Debt Covenant Period One                        
Debt Instrument [Line Items]                        
Minimum consolidated interest coverage ratio                     2.00 2.40
Senior Secured Credit Facility | Credit Facility | Minimum | Debt Covenant Period Two                        
Debt Instrument [Line Items]                        
Minimum consolidated interest coverage ratio                     2.25  
Senior Secured Credit Facility | Credit Facility | Minimum | Debt Covenant Period Three                        
Debt Instrument [Line Items]                        
Minimum consolidated interest coverage ratio                     2.50  
7.750% senior unsecured notes due 2028 | Senior Notes                        
Debt Instrument [Line Items]                        
Net Value $ 675,862,000   $ 150,000,000   $ 675,862,000   $ 675,862,000     674,738,000    
Interest rate 7.75%   7.75%   7.75%   7.75%          
8.000% senior unsecured notes due 2027 | Senior Notes                        
Debt Instrument [Line Items]                        
Net Value $ 0       $ 0   $ 0     405,312,000    
Interest rate 8.00% 8.00%     8.00%   8.00%          
Loss on extinguishment of debt   $ 8,900,000                    
Repayment of senior unsecured notes   $ 406,200,000                    
Six point two five percentage senior unsecured notes | Senior Notes                        
Debt Instrument [Line Items]                        
Interest rate           6.25%   6.25%        
Repayment of senior unsecured notes       $ 339,300,000                
Senior Notes | 2032 Notes                        
Debt Instrument [Line Items]                        
Net Value $ 689,691,000       $ 689,691,000   $ 689,691,000     688,524,000    
Interest rate 7.875%     7.875% 7.875%   7.875%          
Revolving Credit Facility | Revolving Loan | Credit Facility                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity     $ 900,000,000           $ 800,000,000      
Net Value $ 58,600,000       $ 58,600,000   $ 58,600,000     $ 291,000,000    
Line of credit, unused capacity commitment fee percentage 0.50%                      
Credit facility, additional borrowing capacity $ 150,000,000       150,000,000   150,000,000          
Credit facility, amount borrowed 58,600,000       58,600,000   58,600,000          
Letters of credit, outstanding amount 4,500,000       4,500,000   4,500,000          
Remaining borrowing capacity 736,900,000       736,900,000   736,900,000          
Revolving Credit Facility | Revolving Loan | Credit Facility | Petroleum Products                        
Debt Instrument [Line Items]                        
Credit facility, amount borrowed 28,000,000.0       28,000,000.0   $ 28,000,000.0          
Revolving Credit Facility | Revolving Loan | Credit Facility | Maximum                        
Debt Instrument [Line Items]                        
Line of credit, unused capacity commitment fee percentage             0.50%          
Letters of credit, outstanding amount $ 50,000,000       50,000,000   $ 50,000,000          
Revolving Credit Facility | Revolving Loan | Credit Facility | Minimum                        
Debt Instrument [Line Items]                        
Line of credit, unused capacity commitment fee percentage             0.30%          
Revolving Credit Facility | Revolving Loan | Credit Facility | Federal Funds Effective Rate                        
Debt Instrument [Line Items]                        
Debt instrument, basis spread on variable rate             0.50%          
Revolving Credit Facility | Revolving Loan | Credit Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate                        
Debt Instrument [Line Items]                        
Debt instrument, basis spread on variable rate 350.00%                      
Revolving Credit Facility | Revolving Loan | Credit Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Maximum                        
Debt Instrument [Line Items]                        
Debt instrument, basis spread on variable rate             3.50%          
Revolving Credit Facility | Revolving Loan | Credit Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum                        
Debt Instrument [Line Items]                        
Debt instrument, basis spread on variable rate             2.25%          
Revolving Credit Facility | Revolving Loan | Credit Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | One-month Tenor | Maximum                        
Debt Instrument [Line Items]                        
Debt instrument, basis spread on variable rate             1.00%          
Revolving Credit Facility | Revolving Loan | Credit Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Term SOFR Adjustment | Maximum                        
Debt Instrument [Line Items]                        
Debt instrument, basis spread on variable rate             0.10%          
Revolving Credit Facility | Revolving Loan | Credit Facility | Alternate Base Rate                        
Debt Instrument [Line Items]                        
Debt instrument, basis spread on variable rate 2.50%                      
Revolving Credit Facility | Revolving Loan | Credit Facility | Alternate Base Rate | Maximum                        
Debt Instrument [Line Items]                        
Debt instrument, basis spread on variable rate             2.50%          
Revolving Credit Facility | Revolving Loan | Credit Facility | Alternate Base Rate | Minimum                        
Debt Instrument [Line Items]                        
Debt instrument, basis spread on variable rate             1.25%          
Revolving Credit Facility | Senior Secured Credit Facility | Credit Facility                        
Debt Instrument [Line Items]                        
Letter of credit, fee percentage 3.50%                      
Revolving Credit Facility | Senior Secured Credit Facility | Credit Facility | Maximum                        
Debt Instrument [Line Items]                        
Letter of credit, fee percentage             3.50%          
Revolving Credit Facility | Senior Secured Credit Facility | Credit Facility | Minimum                        
Debt Instrument [Line Items]                        
Letter of credit, fee percentage             2.25%          
Bridge Loan | Revolving Loan | Credit Facility | Petroleum Products                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity $ 200,000,000       $ 200,000,000   $ 200,000,000