Document And Entity Information Note To Financial Statement Details Textual Significant Accounting Policies Terminal Service Release For Midstream Texas Ingleside LLC. [Member] The Terminal Service Release For Midstream Texas Ingleside LLC. Note 2 - Principles of Consolidation and Significant Accounting Policies us-gaap_IncomeTaxExpenseBenefit Income tax benefit (expense) Total provision for income taxes ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] Note 3 - Related-party Transactions ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Note 4 - Revenue and Segment Information Trading Arrangements, by Individual [Table] Note 5 - Prepaid Expenses and Other Current Assets Material Terms of Trading Arrangement [Text Block] Note 6 - Inventory Note 7 - Property, Plant and Equipment, Net Note 8 - Accrued Expenses and Other Current Liabilities Note 9 - Third-party Long-term Debt Note 10 - AROs Supplemental Pipeline Bonds [Member] Represents supplemental pipeline bonds. Note 11 - Lease Obligations General Compliance Area-wide Bond [Member] Represents general compliance area-wide bond. Note 12 - Income Taxes Note 13 - Earnings and Dividends Per Share Note 2 - Principles of Consolidation and Significant Accounting Policies - Cash, Cash Equivalents, and Restricted Cash (Details) Note 3 - Related-party Transactions - Related Party Debt Agreements (Details) Note 3 - Related-party Transactions - Related Party Debt Agreements (Details) (Parentheticals) Asset retirement obligations Litigation Case [Domain] Note 3 - Related-party Transactions - Consolidated Balance Sheets (Details) us-gaap_IncreaseDecreaseInAccountsReceivable Accounts receivable Note 3 - Related-party Transactions - Related Party Long-term Debt Outstanding (Details) Note 3 - Related-party Transactions - Consolidated Statements of Operations (Details) Accounts payable, accrued expenses and other liabilities Note 4 - Revenue and Segment Information - Contract Balances (Details) Note 4 - Revenue and Segment Information - Segment Information (Details) Note 4 - Revenue and Segment Information - Capital Expenditures (Details) Note 4 - Revenue and Segment Information - Identifiable Assets (Details) Note 5 - Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) Note 6 - Inventory - Schedule of Inventory (Details) Note 7 - Property, Plant and Equipment, Net - Property, Plant and Equipment, Net (Details) Basis of Presentation and Significant Accounting Policies [Text Block] Note 8 - Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Details) Note 9 - Third-party Long-term Debt - Loan Agreements Summary (Details) Note 9 - Third-party Long-term Debt - Outstanding Debt (Details) Note 9 - Third-party Long-term Debt - Unamortized Debt Issuance Costs (Details) Note 9 - Third-party Long-term Debt - Accrued Interest (Details) Note 10 - AROs - ARO Liability (Details) Note 11 - Lease Obligations - Lease-related Assets and Liabilities (Details) Note 11 - Lease Obligations - Weighted Average Remaining Lease Term and Discount Rate (Details) Note 11 - Lease Obligations - Lease Costs (Details) Counterparty Name [Axis] Note 11 - Lease Obligations - Supplemental Cash Flow Information (Details) Note 11 - Lease Obligations - Maturities of Lease Liabilities (Details) Note 12 - Income Taxes - Provision for Income Tax Benefit (Expense) (Details) Note 12 - Income Taxes - Deferred Income Taxes (Details) Note 12 - Income Taxes - NOL Carryforwards (Details) Note 13 - Earnings and Dividends Per Share - Reconciliation Between Basic and Diluted Income Per Share (Details) Notes To Financial Statements Notes To Financial Statements [Abstract] us-gaap_InterestAndOtherIncome Interest and other income Interest, net us-gaap_InterestIncomeExpenseNonoperatingNet Third Amended and Restated Master Services Agreement [Member] The Third Amended and Restated Master Services Agreement. Land Litigation Case [Axis] Counterparty Name [Domain] us-gaap_IncreaseDecreaseInInventories Inventory us-gaap_SharesOutstanding Balance (in shares) Balance (in shares) Segment Reporting [Table Text Block] Adjustments to reconcile net income to net cash used in operating activities: us-gaap_Liabilities TOTAL LIABILITIES Segment Reporting, Reconciliation of Asset by Segment to Consolidated [Table Text Block] Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Litigation Status [Axis] Litigation Status [Domain] Consolidation Items [Axis] us-gaap_LiabilitiesAndStockholdersEquity TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Segment Reporting [Table] us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets Prepaid expenses and other current assets Consolidation Items [Domain] Lessee, Lease, Description [Table] Lease Contractual Term [Axis] bdco_FinancialAssuranceIncreaseDecreaseForPipeline Financial Assurance Increase (decrease) For Pipeline The increase (decrease) in the financial assurance related to the pipeline. Lease Contractual Term [Domain] Changes in operating assets and liabilities Preferred stock, shares issued (in shares) Preferred stock, shares outstanding (in shares) Preferred stock, shares authorized (in shares) Crude Supplier [Member] Crude Supplier Preferred stock, par value (in dollars per share) Restricted cash, current Restricted Cash, Current bdco_RestrictedCashNoncurrentMinimumRequiredAmount Restricted Cash Noncurrent, Minimum Required Amount The amount of restricted cash noncurrent that is required. us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Net change in cash, cash equivalents, and restricted cash bdco_CashFeePercentageOfOutstandingPrincipalBalance Cash Fee, Percentage of Outstanding Principal Balance Represents the cash fee equal to a percentage of the outstanding principal balance of the debt instrument. us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Affiliate Revolving Credit Agreement [Member] Affiliate Revolving Credit Agreement Supplier Payable Dispute [Member] Supplier Payable Dispute Blue Dolphin Term Loan Due 2051 [Member] The Blue Dolphin Term Loan Due 2051. New Accounting Pronouncements, Policy [Policy Text Block] bdco_SubleaseMonthlyRent Sublease, Monthly Rent Represents the monthly rent as part of the office sub-lease agreement. us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT BEGINNING OF PERIOD CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT END OF PERIOD Statement [Table] Reclassification, Comparability Adjustment [Policy Text Block] Line of credit, related party Less: Line of credit, related party us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties Accounts receivable, related party Credit Facility [Axis] Prepaid insurance Operating cash flows for operating lease Credit Facility [Domain] Revolving Credit Facility [Member] Interest rate, variable Interest rate, variable Second Amended and Restated Affiliate Revolving Credit Agreement Line of Credit Facility, Lender [Domain] Lender Name [Axis] us-gaap_EscrowDeposit Escrow Deposit Surety Bond [Member] Product and Service [Domain] Other property and equipment Accrued expenses and other current liabilities Accrued Liabilities and Other Liabilities, Current Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Product and Service [Axis] us-gaap_LineOfCredit Line of credit, related party us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue Lessee, Operating Lease, Liability, to be Paid Refinery Operations [Member] Refinery Operations Operating lease, Weighted average discount rate Tolling and Terminaling [Member] Tolling and Terminaling Naphtha [Member] Represents Naphtha. Crude Oil and Condensate [Member] Represents crude oil and condensate. us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths 2027 Chemicals [Member] Represents chemicals. AGO [Member] Represents AGO. HOBM [Member] Represents HOBM. us-gaap_ProceedsFromIssuanceOfDebt Proceeds from Issuance of Debt us-gaap_OperatingLeaseExpense Operating Lease, Expense Board of director fees payable Amount of payable for board of directors fees. Schedule of Asset Retirement Obligations [Table Text Block] Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Contracts With Customers [Member] Represents contracts with customers. bdco_PropertyPlantAndEquipmentGrossExcludingConstructionInProgress Property, Plant and Equipment, Gross, Excluding Construction in Progress Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale, excluding construction in progress. Commitments and Contingencies Disclosure [Text Block] us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo 2028 LPG Mix [Member] Represents LPG mix. Statement [Line Items] Accrued fines and penalties Amount of accrued fines and penalties. Business interest expense bdco_PropertyPlantAndEquipmentNetExcludingConstructionInProgress Property, Plant and Equipment, Net, Excluding Construction in Progress Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale, excluding construction in progress. Common stock, shares issued (in shares) Pre-Ownership Change [Member] Represents pre-ownership change. Common stock, shares outstanding (in shares) Schedule of Deferred Tax Assets and Liabilities [Table Text Block] bdco_OperatingLossCarryforwardsUsedAndExpired Net operating losses used and expired Amount of operating loss carryforward used and expired during the period. Common stock, shares authorized (in shares) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Post-ownership change [Member] Represents post-ownership change. Customer Deposits [Member] Represents customer deposits. Start-up costs (crude oil and condensate processing facility) Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from start-up costs. Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Other operating expenses The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. Prepaid Expenses and Other Current Assets [Text Block] The entire disclosure for prepaid expenses and other current assets. Common stock ($0.01 par value, 20,000,000 shares authorized; 14,921,968 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively) (1) Compensating Balance Arrangement [Table] Fair Value of Financial Instruments, Policy [Policy Text Block] Segment, Reconciliation of Capital Expenditures from Segments to Consolidated [Table Text Block] Tabular disclosure of reconciliation of capital expenditures from reportable segments to their consolidated amount. Office Lease of Corporate Headquarters in Houston, Texas [Member] Represents the office lease of corporate headquarters in Houston, Texas. Schedule of Inventory, Current [Table Text Block] Revenues and Segment Reporting Disclosure [Text Block] The entire disclosure for revenue from contract with customer to transfer good or service and to transfer nonfinancial asset and reporting segments including data and tables. Tax Period [Domain] us-gaap_InterestPayableCurrentAndNoncurrent Interest payable Schedule of Cash and Cash Equivalents [Table Text Block] Tax Period [Axis] Accounts payable Accounts Payable, Current Lessee, Operating Lease, Weighted average Remaining Lease Term and Discount Rate [Table Text Block] Tabular disclosure for weighted average remaining lease term and discount rate for operating lease of the lessee. bdco_OperatingLeaseRightofuseAssetGross Operating lease ROU assets Amount of lessee's right to use underlying asset under operating lease before accumulated amortization. us-gaap_LoansPayable Amended and Restated BDPL-LEH Loan Agreement Supplemental Cash Flow Information Related to Leases [Table Text Block] Tabular disclosure of supplemental cash flow information related to leases. us-gaap_PolicyTextBlockAbstract Accounting Policies Lazarus Energy Holdings (LEH) [Member] Represents Lazarus Energy Holdings (LEH). us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements bdco_OperatingLeaseRightofuseAssetAccumulatedAmortization Less: Accumulated amortization on operating lease assets Amount of accumulated amortization on lessee's right to use underlying asset under operating lease. us-gaap_TableTextBlock Notes Tables Lessee, Operating Lease, Assets and Liabilities [Table Text Block] Tabular disclosure of assets and liabilities of operating lease of the lessee. bdco_OperatingLossCarryforwardsEstimateOfExpiringUnused Operating Loss Carryforwards, Estimate of Expiring Unused Amount of operating loss carryforward that are likely to expired unused. bdco_OperatingLossCarryforwardsEstimateOfAnnualUseLimitation Operating Loss Carryforwards, Estimate of Annual Use Limitation Amount of estimate of annual use limitation on operating loss carryforward. Long-term debt, related party, current portion Less: Long-term debt, related party, current portion NPS Term Loan Due 2031 [Member] Represents NPS Term Loan Due 2031. Capital expenditures us-gaap_SegmentExpenditureAdditionToLongLivedAssets LRM Term Loan Due 2034 [Member] Represents LRM Term Loan Due 2034. LE Term Loan Due 2034 [Member] Represents LE Term Loan Due 2034. Insurance Nonrelated Party [Member] Veritex Community Bank [Member] Represents Veritex Community Bank. Small Business Administration SBA [Member] Represents the Small Business Administration SBA. Greater Nevada Credit Union (GNCU) [Member] Represents the Greater Nevada Credit Union (GNCU). Related Party [Member] LE Term Loan Due 2050 [Member] Represents LE Term Loan Due 2050. BDEC Term Loan Due 2051 [Member] Represents BDEC Term Loan Due 2051. Equipment Loan Due 2025 [Member] Represents Equipment Loan Due 2025. NPS Term Loan Due 2050 [Member] Represents NPS Term Loan Due 2050. NPS Term Loan Due 2053 [Member] Represents NPS Term Loan Due 2053. Long-term interest payable, net of current portion Long-term interest payable, related party, net of current portion Amount of interest payable on debt, including, but not limited to, trade payables, classified as noncurrent. us-gaap_OperatingLeaseLiabilityNoncurrent Operating lease, noncurrent Schedule of Related Party Transactions [Table Text Block] Other payable us-gaap_OperatingLeaseLiability Total lease liabilities Proceeds from related-party debt Current portion of lease liabilities Operating lease, current Schedule of Unamortized Debt Issuance Costs [Table Text Block] Tabular disclosure of unamortized debt issuance costs. Texas First Rentals, LLC [Member] Represents the Texas First Rentals, LLC. Schedule of Accrued Interest on Long-term Debt [Table Text Block] Tabular disclosure of accrued interest on long-term debt. Interest payable Less: Interest payable, related party - current portion Less: Accrued interest payable, current portion Long-term debt less unamortized debt issue costs, current portion (in default) Less: Long-term debt, net, current portion Schedule of Related Party Transactions, Consolidated Balance Sheets [Table Text Block] Schedule of consolidated balance sheets pertaining to related party transactions. Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Taxes payable Long-Term Debt, Excluding Current Maturities Long-term debt, net of current portion Construction in progress Long-term debt us-gaap_LongTermDebt LEH Total Offsetting Assets [Table] Schedule of Outstanding Long-term Debt to Related Parties [Table Text Block] Tabular disclosure of amounts outstanding on long-term debt to related parties. Ingleside Crude, LLC [Member] Represents Ingleside Crude, LLC. Statement of Stockholders' Equity [Abstract] Blue Dolphin Pipe Line Company (BDPL) [Member] Represents the Blue Dolphin Pipe Line Company (BDPL). Loss Contingency Nature [Axis] BDPL-LEH Loan Agreement [Member] Represents the BDPL-LEH Loan Agreement. Statement of Cash Flows [Abstract] Jonathan Carroll [Member] Represents Jonathan Carroll. STOCKHOLDERS' EQUITY us-gaap_LossContingencyEstimateOfPossibleLoss Loss Contingency, Estimate of Possible Loss Equity Components [Axis] Jet Fuel [Member] Represents jet fuel. Equity Component [Domain] Offsetting Liabilities [Table] Terminal Services Agreement With Nixon [Member] Represents the terminal services agreement with Nixon. Summary of Operating Loss Carryforwards [Table Text Block] Additional Paid-in Capital [Member] Retained Earnings [Member] Loss Contingency, Nature [Domain] us-gaap_InventoryWriteDown Inventory Write-down Total property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Financing of capital expenditures via long-term note Capital Expenditures Incurred but Not yet Paid us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization Depreciation and amortization COSTS AND EXPENSES Deferred tax assets, net Other conversion costs Total costs of goods sold Total cost of goods sold Bureau of Ocean Energy Management (BOEM) [Member] Represents Bureau of Ocean Energy Management (BOEM). bdco_FinancialAssuranceForDecommissioningOfPipelineInFederalWaters Financial Assurance for Decommissioning of Pipeline in Federal Waters Amount of financial assurance for decommissioning of pipeline in federal waters. TCEQ Proposed Agreed Order [Member] Represents TCEQ Proposed Agreed Order. Surety bonds Amount of surety bonds. State us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefit bdco_OwnershipPercentage Ownership Percentage Percentage of ownership. bdco_VolumeOfStorageTankCapacity Volume of Storage Tank Capacity (Barrel of Oil) The volume of the storage tank capacity. Deferred tax liability, net bdco_DistillationTowerVolumePerDay Distillation Tower, Volume Per Day (Barrel of Oil) The volume per day of the distillation tower. Supplemental Information: us-gaap_AccountsReceivableNet Accounts receivable (including related-party), beginning January 1st, of period Accounts receivable (including related-party), balance CURRENT LIABILITIES us-gaap_LiabilitiesCurrent Total current liabilities Federal us-gaap_CurrentFederalTaxExpenseBenefit Variable rate Accounts receivable Accounts receivable, related party us-gaap_LongTermDebtFairValue Long-Term Debt, Fair Value bdco_PolicyTable Lease, Cost [Table Text Block] us-gaap_GainLossRelatedToLitigationSettlement Gain on regulatory settlement Long-Term Debt [Text Block] Other Commitments [Table] us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment Less: Accumulated depreciation and amortization Jet Fuel Sales Agreement [Member] Represents Jet Fuel Sales Agreement. General and administrative expenses Income (loss) before income taxes Income (loss) before income taxes Additional paid-in capital LE Amended and Restated Guaranty Fee Agreement [Member] Represents LE Amended and Restated Guaranty Fee Agreement. Use of Estimates, Policy [Policy Text Block] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current bdco_PercentageOfRevenues Percentage of revenues from operations Percentage of revenues. Second Amended and Restated Affiliate Revolving Credit Agreement [Member] Represents the second amended and restated affiliate revolving credit agreement. Schedule of Related Party Transactions, Consolidated Statements of Operations [Table Text Block] Schedule of consolidated statements of operations pertaining to related party transactions. bdco_RelatedPartyTransactionWrittenNoticePeriod Related Party Transaction, Written Notice Period (Year) The period for written notice on related party transaction. us-gaap_PaymentsToAcquirePropertyPlantAndEquipment Capital expenditures Lessee, Operating Leases [Text Block] Master Services Agreement [Member] Represents Master Services Agreement. bdco_AgreementTerm Agreement Term (Year) Term of the agreement. Original Principal Debt Instrument, Face Amount bdco_GroundLeaseMonthlyRent Ground Lease, Monthly Rent The cost of monthly rent for the ground lease. CURRENT ASSETS bdco_ManagementFeePercentage Management Fee Percentage Percentage of management fee. Ground Lease For Nixon facility [Member] Represents the ground lease for the Nixon facility. Schedule of Debt [Table Text Block] BDEC Guaranty Fee Agreement [Member] Represents the BDEC Guaranty Fee Agreement. us-gaap_AssetsCurrent Total current assets bdco_MonthlyTankRentalFee Monthly Tank Rental Fee Amount of monthly tank rental fee. Debt Instrument, Name [Domain] LEH operating fee, related party Management Fee Expense Maturity date Related and Nonrelated Parties [Axis] Monthly payment Monthly principal and interest payment Schedule of Long-Term Debt Instruments [Table] Tolling and terminaling costs The cost related to the tolling and terminaling. Debt Instrument [Axis] OPERATING ACTIVITIES INVESTING ACTIVITIES us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash provided by (used) in operating activities FINANCING ACTIVITIES us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used in investing activities us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash provided by (used in) financing activities Fourth Amended and Restated Operating Agreement [Member] Represents the Fourth Amended and Restated Operating Agreement. Surety bonds, current portion Relates to current portion surety bonds. Short-term lease expense, related party Operating Segments [Member] Accounting Policies [Abstract] Segments [Domain] Unamortized debt issue costs, gross us-gaap_AccumulatedAmortizationDeferredFinanceCosts Less: Accumulated amortization Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] us-gaap_UnamortizedDebtIssuanceExpense Less: Unamortized debt issue costs Accounts Receivable [Policy Text Block] Segments [Axis] Total costs and expenses Total costs of sales and operating expenses for the period. Income Statement [Abstract] Federal us-gaap_UnrecognizedTaxBenefits Unrecognized Tax Benefits us-gaap_NumberOfOperatingSegments Number of Operating Segments us-gaap_NumberOfReportableSegments Number of Reportable Segments Deferred income tax Net income (loss) Net income Net income (loss) Amortization of debt issue costs Amortization of Debt Issuance Costs us-gaap_AreaOfLand Area of Land (Acre) us-gaap_LitigationSettlementGain Gain on regulatory settlement us-gaap_CostsAndExpenses Total cost of operations us-gaap_DeferredTaxAssetsGross Total deferred tax assets Income Tax Disclosure [Text Block] ARO liability/deferred revenue NOL and capital loss carryforwards Accounting Standards Update and Change in Accounting Principle [Table] Deferred tax asset (liability), net us-gaap_DeferredTaxAssetsLiabilitiesNet Other us-gaap_DeferredTaxAssetsOther Asset retirement obligations, current portion Less: AROs, current portion Asset Retirement Obligation Disclosure [Text Block] Related and Nonrelated Parties [Domain] Inventory [Domain] Inventory [Axis] us-gaap_AssetRetirementObligation Asset Retirement Obligation AROs, Balance AROs, Balance us-gaap_DeferredFinanceCostsNet Debt Issuance Costs, Net Related Party Transaction [Table] us-gaap_AssetRetirementObligationsNoncurrent AROs balance Related Party Transactions Disclosure [Text Block] us-gaap_AssetRetirementObligationLiabilitiesSettled Asset Retirement Obligation, Liabilities Settled Liabilities settled Propane [Member] us-gaap_AssetRetirementObligationPeriodIncreaseDecrease Asset Retirement Obligation, Period Increase (Decrease) Changes in estimate Asset Retirement Obligation, Revision of Estimate us-gaap_RepaymentsOfLongTermDebt Payments on debt principal OTHER INCOME (EXPENSE) Statement of Financial Position [Abstract] us-gaap_DeferredTaxAssetsValuationAllowance Deferred Tax Assets, Valuation Allowance us-gaap_NonoperatingIncomeExpense Total other expense us-gaap_LiabilitiesNoncurrent Total long-term liabilities us-gaap_AssetsNoncurrent Total long-term assets LONG-TERM ASSETS us-gaap_DeferredTaxLiabilities Deferred tax asset (liability), net us-gaap_RepaymentsOfRelatedPartyDebt Payments on related-party debt LONG-TERM LIABILITIES Document Type Other operating costs (gain) Document Information [Line Items] Document Quarterly Report us-gaap_LesseeOperatingLeaseTermOfContract Lessee, Operating Lease, Term of Contract (Month) Operating lease, Weighted average remaining lease term in years (Year) Document Information [Table] us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment Weighted Average Number of Shares Outstanding, Diluted, Adjustment (in shares) Entity Interactive Data Current Document Transition Report us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding Diluted (in shares) Income per common share: us-gaap_LossContingencyDamagesSoughtValue Loss Contingency, Damages Sought, Value Crude oil, fuel use, and chemicals Basic and diluted shares used in computing earnings per share (in shares) us-gaap_WeightedAverageNumberOfSharesOutstandingBasic Basic (in shares) Basic and diluted earnings (loss) per share (in dollars per share) Basic (in dollars per share) Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Effective Income Tax Rate Reconciliation [Table] Earnings Per Share, Policy [Policy Text Block] Refinery and facilities Document Fiscal Period Focus Document Fiscal Year Focus Depreciation and amortization Depreciation and amortization Amendment Flag us-gaap_SubleaseIncome Sublease Income Common Stock [Member] us-gaap_DebtInstrumentCollateralAmount Debt Instrument, Collateral Amount Document Period End Date Property, Plant, and Equipment [Text Block] Legal Entity [Axis] Operating lease costs us-gaap_LeaseCost Total lease cost Entity File Number us-gaap_RevenueRemainingPerformanceObligation Revenue, Remaining Performance Obligation, Amount Entity Tax Identification Number Disaggregation of Revenue [Table] Entity [Domain] Entity Central Index Key Entity Registrant Name Entity Current Reporting Status Entity Incorporation, State or Country Code Current Fiscal Year End Date Entity Filer Category Entity Shell Company Entity Emerging Growth Company Entity Small Business us-gaap_OperatingIncomeLoss Income (loss) from operations us-gaap_OperatingLossCarryforwards Operating Loss Carryforwards Balance Balance Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] us-gaap_InterestExpense Interest expense, related party REVENUE FROM OPERATIONS Entity Address, State or Province Entity Address, City or Town Inventory, Current [Table] us-gaap_InterestExpenseNonoperating Interest and other expense Retained earnings (deficit) Entity Address, Address Line One Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] City Area Code Local Phone Number Entity Address, Postal Zip Code Class of Stock [Axis] Consolidation, Eliminations [Member] Prime Rate [Member] Variable Rate [Domain] Revenue [Policy Text Block] Related Party Transaction [Domain] Title of 12(g) Security Entity Common Stock, Shares Outstanding Related Party Transaction [Axis] Earnings Per Share [Text Block] Deposits Guarantor Obligations, Nature [Domain] Fifth Amended and Restated Operating Agreement [Member] Fifth Amended and Restated Operating Agreement us-gaap_GuaranteeObligationsCurrentCarryingValue Guarantor Obligations, Current Carrying Value Guarantor Obligations, Nature [Axis] Weighted average number of common shares outstanding: Income taxes payable Property, Plant, and Equipment [Table] Common stock, par value (in dollars per share) Basis of Accounting, Policy [Policy Text Block] Identifiable assets us-gaap_Assets TOTAL ASSETS Cash and Cash Equivalents, Policy [Policy Text Block] Cash and cash equivalents Cash and cash equivalents Other prepaids us-gaap_AllowanceForDoubtfulAccountsReceivable Accounts Receivable, Allowance for Credit Loss Diluted (in dollars per share) us-gaap_ContractWithCustomerLiability Unearned revenue, beginning January 1st, of period Unearned revenue, balance Unearned revenue from contracts Depreciation and amortization us-gaap_DepreciationDepletionAndAmortization Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Interest paid Inventory Disclosure [Text Block] Settled Litigation [Member] Schedule of Long-Term Debt Instruments [Table Text Block] Inventory Inventory us-gaap_StockholdersEquity TOTAL STOCKHOLDERS' EQUITY Balance Balance Operating lease right-of-use assets, net Total lease assets ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] Property, Plant, and Equipment [Table Text Block] Total revenue from operations Revenue from operations us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment Basis differences in property and equipment ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] Inventory, Policy [Policy Text Block] Commitments and contingencies (Note 14)