Document And Entity Information Debt Instrument, Name [Domain] Statistical Measurement [Axis] Note To Financial Statement Details Textual us-gaap_ManagementFeeExpense Management Fee Expense Significant Accounting Policies Note 5 - Asset Retirement Obligations us-gaap_DebtInstrumentInterestRateStatedPercentage Debt Instrument, Interest Rate, Stated Percentage ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] Note 6 - Fair Value of Financial Instruments Settlement loss on matured derivatives ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Note 7 - Derivative Instruments Trading Arrangements, by Individual [Table] Note 5 - Asset Retirement Obligations - Schedule of Asset Retirement Obligations (Details) Material Terms of Trading Arrangement [Text Block] Note 6 - Fair Value of Financial Instruments - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) Related and Nonrelated Parties [Axis] Note 7 - Derivative Instruments - Summary of Derivative Instruments, Gain and Loss (Details) Note 7 - Derivative Instruments - Schedule of Derivative Instruments (Details) Notes To Financial Statements Notes To Financial Statements [Abstract] Minimum [Member] Statistical Measurement [Domain] Maximum [Member] Schedule of Long-Term Debt Instruments [Table] Debt Instrument [Axis] us-gaap_IncreaseDecreaseInAccountsReceivable Accounts receivable and other current assets Accounts payable and accrued expenses us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities Schedule of Investments [Table] us-gaap_DerivativePremiumPaid Derivative, Premium Paid eres_PolicyTable Gain on mark-to-market of derivatives Gain on mark-to-market derivatives, net Cash flow from operating activities: Derivative, Nonmonetary Notional Amount, Volume (Barrel of Oil) Cash flow from investing activities: us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash flow provided by operating activities Cash flow from financing activities: us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash flow used in investing activities us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash flow used in financing activities Counterparty Name [Axis] The 12 New Wells Elected to Participate in October and November 2025 [Member] Represents the 12 new wells elected to participate in October and November 2025. Accounting Policies [Abstract] us-gaap_DeferredFinanceCostsGross Debt Issuance Costs, Gross Accounts Receivable [Policy Text Block] Distributions declared to common units, per unit (in dollars per share) Counterparty Name [Domain] Income Statement [Abstract] us-gaap_DistributionMadeToLimitedPartnerCashDistributionsPaid Distribution Made to Limited Partner, Cash Distributions Paid Distributions declared to common units us-gaap_NumberOfReportableSegments Number of Reportable Segments us-gaap_DistributionMadeToLimitedPartnerDistributionsPaidPerUnit Distribution Made to Limited Partner, Distributions Paid, Per Unit (in dollars per share) Net loss Net income (loss) Adjustments to reconcile net income to cash from operating activities: us-gaap_Liabilities Total Liabilities Liabilities us-gaap_LiabilitiesAndStockholdersEquity Total Liabilities and Partners’ Equity Project [Axis] us-gaap_CostsAndExpenses Total operating costs and expenses McKenzie, Dunn, McLean and Mountrail counties of North Dakota [Member] Relating to McKenzie, Dunn, McLean and Mountrail counties of North Dakota. Oil and Gas, Property and Equipment [Text Block] Changes in operating assets and liabilities: Accounting Standards Update and Change in Accounting Principle [Table] Income Tax, Policy [Policy Text Block] Costless Collar Derivative Contracts [Member] Represents costless collar derivative contracts. Operator Benchmark [Member] Relating to operator benchmark. eres_DebtInstrumentCovenantNetPresentValueDiscountPercentage Debt Instrument, Covenant, Net Present Value, Discount Percentage Represents the discount percentage for net present value of a debt instrument covenant. Fair Value, by Balance Sheet Grouping [Table] eres_DebtInstrumentCovenantPercentageOfNetPresentValue Debt Instrument, Covenant, Percentage of Net Present Value Represents the percentage of net present value required as part of a debt instrument covenant. eres_DebtInstrumentCovenantNetPresentValueUtilizationPercentage Debt Instrument, Covenant, Net Present Value, Utilization Percentage Represents the utilization percentage of net present value of a debt instrument covenant. eres_DebtInstrumentCovenantHedgePercentage Debt Instrument, Covenant, Hedge Percentage Represents the hedge percentage of a debt instrument covenant. Bakken Asset Acquisition [Member] Represents the Bakken acquisition. us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Increase (decrease) in cash and cash equivalents Asset Retirement Obligation Disclosure [Text Block] us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Related and Nonrelated Parties [Domain] us-gaap_AssetRetirementObligation Balance Balance us-gaap_DeferredFinanceCostsNet Debt Issuance Costs, Net Common units, outstanding (in shares) Related Party Transaction [Table] Asset retirement obligations Well additions Common units, issued (in shares) Related Party Transactions Disclosure [Text Block] New Accounting Pronouncements, Policy [Policy Text Block] Accretion Statement [Table] Revolving credit facility us-gaap_LinesOfCreditCurrent Scenario, Plan [Member] us-gaap_AssetRetirementObligationRevisionOfEstimate Revisions Limited partners' interest (11,031,579 common units issued and outstanding, respectively) us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity Line of Credit Facility, Current Borrowing Capacity Fair Value Hierarchy and NAV [Domain] us-gaap_LineOfCreditFacilityCommitmentFeeAmount Line of Credit Facility, Commitment Fee Amount Measurement Frequency [Domain] us-gaap_WeightedAverageNumerDilutedLimitedPartnershipUnitsOutstandingAdjustment Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment (in shares) us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 Debt Instrument, Basis Spread on Variable Rate Statement of Financial Position [Abstract] us-gaap_NonoperatingIncomeExpense Total other expense, net Oil and natural gas properties, accumulated depreciation Product and Service [Domain] Product and Service [Axis] Revolving credit facility Fair Value, Recurring [Member] Other assets, net Document Type Operating costs and expenses Document Information [Line Items] Document Quarterly Report us-gaap_ConcentrationRiskPercentage1 Concentration Risk, Percentage Document Information [Table] Entity Interactive Data Current Schedule of Asset Retirement Obligations [Table Text Block] Assets Measurement Frequency [Axis] Document Transition Report Statement [Line Items] us-gaap_FairValueNetAssetLiability Total Fair Value Hierarchy and NAV [Axis] Derivative Instrument [Axis] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Tax Year 2022 [Member] BancFirst Loan Agreement [Member] Represents the loan agreement with BancFirst. Project [Domain] Tax Period [Domain] Earnings Per Share, Policy [Policy Text Block] Tax Period [Axis] us-gaap_AccountsPayableCurrent Accounts Payable, Current Accounts payable and accrued expenses srt_DevelopmentWellsDrilledNetProductive Oil and Gas, Development Well Drilled, Net Productive, Number us-gaap_PolicyTextBlockAbstract Accounting Policies eres_DebtInstrumentVariableRateFloorRate Debt Instrument, Variable Rate, Floor Rate Represents the floor rate for a variable rate on a debt instrument. Tax Year 2023 [Member] us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements eres_DebtInstrumentCovenantCurrentRatio Debt Instrument, Covenant, Current Ratio Represents the current ratio of a debt instrument ratio. us-gaap_TableTextBlock Notes Tables eres_DebtInstrumentCovenantDebtServiceCoverageRatio Debt Instrument, Covenant, Debt Service Coverage Ratio Represents debt service coverage ratio of a debt instrument covenant. Document Fiscal Period Focus Document Fiscal Year Focus Amendment Flag Concentration Risk Type [Axis] Document Period End Date General Partner [Member] Proceeds from revolving credit facility Limited Partner [Member] Derivative, Cap Price (in USD per Per Share) Weighted average common units outstanding - basic and diluted (in shares) Legal Entity [Axis] Significant Accounting Policies [Text Block] Oil and natural gas properties, successful efforts method, net of accumulated depreciation, depletion and amortization of $122,179,859 and $116,770,894, respectively Entity File Number Entity Tax Identification Number Supplemental non-cash information: Entity [Domain] Entity Central Index Key Entity Registrant Name Entity Current Reporting Status us-gaap_DerivativeGainLossOnDerivativeNet Gain on derivatives, net Entity Incorporation, State or Country Code Current Fiscal Year End Date Concentration Risk Type [Domain] Derivative, Floor Price (in USD per Per Share) Capitalization, Equity [Table] Entity Filer Category Entity Shell Company Entity Emerging Growth Company Entity Small Business us-gaap_OperatingIncomeLoss Operating income (loss) Commodity derivatives - current assets Derivative Asset Derivative asset Derivative Instruments and Hedging Activities Disclosure [Text Block] Reimbursement of General and Administrative Expenses [Member] Relating to the reimbursement of general and administrative expenses. Total revenue Revenues Entity Address, State or Province Entity Address, City or Town us-gaap_InterestExpenseNonoperating Interest expense, net Statement of Partners' Capital [Abstract] Record Holders of Incentive Distribution Rights [Member] Relating to record holders of incentive distribution rights. Entity Address, Address Line One Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Dealer Manager Incentive Fees [Member] relating to the Dealer Manager Incentive Fees. Statement of Cash Flows [Abstract] City Area Code Local Phone Number Entity Address, Postal Zip Code Derivative [Table] Tax Year 2021 [Member] srt_OilAndGasProductiveWellGrossNumber Oil and Gas, Productive Well, Gross, Number Equity Components [Axis] Amended BancFirst Loan Agreement [Member] Represents the amended BancFirst Loan Agreement. Class of Stock [Axis] Equity Component [Domain] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Revenue [Policy Text Block] Related Party Transaction [Domain] Fair Value, Inputs, Level 1 [Member] Entity Common Stock, Shares Outstanding Related Party Transaction [Axis] Production expenses Asset Acquisition [Domain] Asset Acquisition [Axis] Accrued capital expenditures related to additions to oil and natural gas properties us-gaap_AssetAcquisitionConsiderationTransferred Asset Acquisition, Consideration Transferred Scenario [Axis] Scenario [Domain] Forecast [Member] Derivative Instruments, Gain (Loss) [Table Text Block] us-gaap_CostsIncurredDevelopmentCosts Oil and Gas, Cost Incurred, Development Cost Derivative Instruments, Gain (Loss) [Table] Basis of Accounting, Policy [Policy Text Block] Production taxes Oil [Member] Represents oil. Derivative Contract [Domain] Natural Gas Liquids (NGL) [Member] Type of Reserve [Domain] Petroleum Reserves [Axis] eres_DistributionWithholdingTaxToLimitedPartnerPerCommonUnit Distribution Withholding Tax to Limited Partner Per Common Unit (in dollars per share) eres_PaymentsRelatedToStateTaxWithholdingTaxesOnBehalfOfLimitedPartners Payments Related to State Tax Withholding Taxes on Behalf of Limited Partners Payments for state withholding taxes on behalf of limited partners Amount of cash outflow to satisfy the Partnership's state tax withholding payments made on behalf of its limited partners. us-gaap_Assets Total Assets eres_StateTaxWithholdingPaymentsMadeOnBehalfOfLimitedPartners State tax withholding payments made on behalf of limited partners Represents the amount of state tax withholding payments made on behalf of limited partners. Cash and Cash Equivalents, Policy [Policy Text Block] Natural Gas [Member] Represents Natural Gas. eres_GasAndOilAreaDevelopedNet1 Gas and Oil Area Developed Net 1 Fractional interest owned based on working interests or other economic arrangements of area spaced or assigned to productive wells. Cash and cash equivalents Reversal of estimated state tax withholding for limited partners Reversal of estimated state tax withholding the Partnership accrued to pay on behalf of limited partners. eres_DebtInstrumentSecurityCollateralPercentage Debt Instrument, Security Collateral Percentage Represents security collateral percentage of debt instrument. Geographical [Domain] Geographical [Axis] Fair Value Disclosures [Text Block] eres_WellsParticipatingToBeDrilled Wells Participating to be Drilled Number of wells in which the partnership has elected to participate in the drilling and completion. Gain on derivatives, net Tax Year 2024 [Member] eres_ManagingDealerSellingCommissionsPercentage Managing Dealer Selling Commissions Percentage The selling commission percentage paid to the managing dealer on gross proceeds of Units sold. Interest paid eres_DebtIssuanceCostsGrossInitiallyCapitalized Debt Issuance Costs, Gross, Initially Capitalized Initial amount before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. eres_ManagingDealerMaximumContingenIncentiveFeeOnGrossProceedsPercentage Managing Dealer Maximum Contingen Incentive Fee on Gross Proceeds Percentage The maximum contingent incentive fee percentage paid in cash to the managing dealer on gross proceeds of Units sold. us-gaap_LiabilitiesCurrent Total Current Liabilities eres_NetInvestmentAmountPerCommonUnitInitial Net Investment Amount Per Common Unit Initial (in dollars per share) Initial value assigned to each common unit. Return of Capital [Member] Represents Return of Capital. eres_AnnualizedRateOfReturn Annualized Rate of Return The percentage rate used to calculate distribution payments on common unit. Accounts receivable and other current assets Depreciation, depletion, amortization and accretion eres_IdrDistributionPercentagePostPayout2 IDR Distribution Percentage Post Payout 2 Represents the percentage of partnership assets used for distribution to IDRs in second round. eres_IdrDistributionPercentagePostPayout1 IDR Distribution Percentage Post Payout 1 Represents the percentage of partnership assets used for distribution to IDRs in first round. eres_DmDistributionPercentagePostPayout DM Distribution Percentage Post Payout Represents the percentage of partnership assets used for distribution to the dealer manager in first round. eres_TotalInclusiveOfDistributionsAsWellAsWithholdingTaxPaymentsPerCommonUnit Total Inclusive of Distributions As Well As Withholding Tax Payments Per Common Unit (in dollars per share) Total inclusive of distributions as well as withholding tax payments per common unit. Schedule of Derivative Instruments [Table Text Block] eres_ManagingDealerMaximumContingentIncentiveFeeOnGrossProceeds Managing Dealer Maximum Contingent Incentive Fee on Gross Proceeds The maximum contingent incentive fee due to the managing dealer on gross proceeds of Units sold related to occurrence of an event triggering a payout. eres_LpDistributionPercentagePostPayout LP Distribution Percentage Post Payout Represents the percentage of partnership assets used for distribution to the limited partners. eres_ManagementFeeAnnualPercentage Management Fee Annual Percentage An annual management fee is due to the General Partner based on this percentage of the total gross equity proceeds raised in its best-efforts offering. Basic and diluted net income (loss) per common unit (in dollars per share) Partner Type [Axis] us-gaap_PartnersCapital Total Partners’ Equity Balances Balances Partners’ Equity Revenue Benchmark [Member] Other Commitments [Table] Oil and Gas [Member] eres_DistributionAtPayoutToLimitedPartner Distribution at Payout to Limited Partner Distribution at payout to limited partner. eres_DistributionAtPayoutToLimitedPartnerPerCommonUnit Distribution at Payout to Limited Partner Per Common Unit (in dollars per share) Distribution at payout to limited partner, per common unit. us-gaap_PartnersCapitalAccountContributions Partners' Capital Account, Contributions us-gaap_OpenOptionContractsWrittenPremiums Derivative, Premium Received us-gaap_PartnersCapitalAccountPublicSaleOfUnitsNetOfOfferingCosts Partners' Capital Account, Public Sale of Units Net of Offering Costs us-gaap_PartnersCapitalAccountRedemptions Partners' Capital Account, Redemptions us-gaap_PartnersCapitalAccountPublicSaleOfUnits Partners' Capital Account, Public Sale of Units Partner Type of Partners' Capital Account, Name [Domain] General and administrative expenses General and Administrative Expense us-gaap_PartnersCapitalAccountUnits Balances (in shares) Balances (in shares) us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Debt Disclosure [Text Block] Partners' Capital Notes Disclosure [Text Block] Segment Reporting, Policy [Policy Text Block] us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering Partners' Capital Account, Units, Sold in Public Offering (in shares) Use of Estimates, Policy [Policy Text Block] Distribution Type [Domain] us-gaap_LineOfCreditFacilityCommitmentFeePercentage Line of Credit Facility, Commitment Fee Percentage us-gaap_DebtInstrumentCarryingAmount Long-Term Debt, Gross Distribution Type [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] us-gaap_DebtInstrumentFaceAmount Debt Instrument, Face Amount General partner's interest us-gaap_AssetsCurrent Total Current Assets ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] us-gaap_DebtInstrumentFeeAmount Debt Instrument, Fee Amount us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties Additions to oil and natural gas properties