Balance Sheet Balance Sheet [Abstract] Current Assets: Current Assets: [Abstract] Cash Real Estate Held for Investment: Real Estate Held for Investment: [Abstract] Land Buildings and Equipment Acquired Intangible Lease Assets Real Estate Investments, at cost Accumulated Depreciation and Amortization Real Estate Held for Investment, Net Real Estate Held for Sale Total Real Estate Total Assets Current Liabilities: Current Liabilities: [Abstract] Payable to AEI Fund Management, Inc. Distributions Payable Unearned Rent Total Current Liabilities Long-term Liabilities: Long-term Liabilities: [Abstract] Acquired Below-Market Lease Intangibles, Net Members’ Equity (Deficit): Members’ Equity (Deficit): [Abstract] Managing Members Limited Members: 10,000,000 Units authorized; 1,832,736 Units issued; 1,813,931 and 1,827,736 Units outstanding in 2012 and 2011, respectively Total Members’ Equity Total Liabilities and Members’ Equity Limited Members, units authorized Limited Members, units issued Limited Members, units outstanding Statement of Income Statement of Income [Abstract] Rental Income Expenses: Expenses: [Abstract] LLC Administration – Affiliates LLC Administration and Property Management – Unrelated Parties Property Acquisition Depreciation and Amortization Total Expenses Operating Income Other Income: Other Income: [Abstract] Interest Income Income from Continuing Operations Income from Discontinued Operations Net Income Net Income Allocated: Net Income Allocated: [Abstract] Managing Members Limited Members Total Income per LLC Unit: Income per LLC Unit: [Abstract] Continuing Operations (in Dollars per Item) Discontinued Operations (in Dollars per Item) Total (in Dollars per Item) Weighted Average Units Outstanding – Basic and Diluted (in Shares) Statement of Cash Flows Statement of Cash Flows [Abstract] Cash Flows from Operating Activities: Cash Flows from Operating Activities: [Abstract] Net Income Adjustments to Reconcile Net Income To Net Cash Provided by Operating Activities: Adjustments to Reconcile Net Income To Net Cash Provided by Operating Activities: [Abstract] Depreciation and Amortization Gain on Sale of Real Estate Increase (Decrease) in Payable to AEI Fund Management, Inc. Increase (Decrease) in Unearned Rent Total Adjustments Net Cash Provided By Operating Activities Cash Flows from Investing Activities: Cash Flows from Investing Activities: [Abstract] Investments in Real Estate Proceeds from Sale of Real Estate Net Cash Provided By Investing Activities Cash Flows from Financing Activities: Cash Flows from Financing Activities: [Abstract] Distributions Paid to Members Redemption Payments Net Cash Used For Financing Activities Net Increase (Decrease) in Cash Cash, beginning of period Cash, end of period Statement of Changes in Members' Equity Statement of Changes in Members' Equity [Abstract] Related Party [Domain] Balance Balance Balance (in Shares) Balance (in Shares) Distributions Declared Redemption Payments Redemption Payments (in Shares) Basis of Accounting Basis of Accounting [Text Block] Organization Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Reclassification Reclassifications [Text Block] Real Estate Held for Investment Real Estate Disclosure [Text Block] Payable to AEI Fund Management, Inc. (Abstract) Accounts Payable and Accrued Liabilities Disclosure [Text Block] Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Significant Accounting Policies (Abstract) Significant Accounting Policies Distribution Policy, Members or Limited Partners, Description Key Provisions of Operating or Partnership Agreement, Description Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block] Discontinued operations Discontinued operations [Abstract] Rental Income Property Management Expenses Gain on Disposal of Real Estate Income (Loss) from Discontinued Operations Capital Units, Value Limited Partners' Capital Account, Units Outstanding (in Shares) Limited Partners' Contributed Capital General Partners' Contributed Capital Business Acquisition, Acquiree [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Business Acquisition, Effective Date of Acquisition Business Acquisition, Percentage of Voting Interests Acquired Business Acquisition, Name of Acquired Entity Business Acquisition, Cost of Acquired Entity, Cash Paid Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets Business Acquisition, Purchase Price Allocation, Noncurrent Liabilities Business Acquisition, Cost of Acquired Entity, Transaction Costs Average Lease Term Real Estate Revenue, Net Amortization of Acquired Intangible Assets Amortization of above and below Market Leases Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Disposal Groups, Including Discontinued Operations, Name [Domain] Distribution of sales proceeds declared or paid to a common shareholder or unit-holder by LLC or LP. Per-share or per-unit cash return of capital distributions paid to a common shareholder or unit-holder by an LLC or LP. Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Net SaleProceedsDistributionMadeToMemberOrLimitedPartner ReturnOfCapitalDistributionMadeToMemberOrLimitedPartnerDistributionsPaidPerUnit (in Dollars per share) Below Market Leases [Member] Scenario [Axis] Leases, Acquired-in-Place [Member] Related Party [Axis] Disposal Group Name [Axis] Scenario, Unspecified [Domain] Business Acquisition [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Managing Member [Member] Managing Member [Member] A party to a limited liability company who is also the managing partner, which means this person is active in the day-to-day operations of the partnership. Red Robin Beavercreek OH [Member] Red Robin Beavercreek OH Limited Member [Member] Limited Member [Member] A party to a limited liability company who has limited liability and is not active in the day-to-day operations of the company. tractorsupplystarkville [Member] Tractor Supply Starkville, MS Document and Entity Information [Abstract] DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlockAbstract SaleProceedsDistributionMadeToMemberOrLimitedPartner AverageLeaseTerm ReclassificationsTextBlockAbstract FairValueDisclosuresTextBlockAbstract AccountsPayableAndAccruedLiabilitiesDisclosureTextBlockAbstract BasisOfAccountingTextBlockAbstract OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlockAbstract ReturnOfCapitalDistributionMadeToMemberOrLimitedPartnerDistributionsPaidPerUnit RealEstateDisclosureTextBlockAbstract Basis of Accounting [Text Block] Liabilities, Current Operating Expenses Partners' Capital Income (Loss) from Operations before Extraordinary Items, Per Outstanding Limited Partnership Unit, Basic Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block] Net Cash Provided by (Used in) Investing Activities Document Period End Date Business Acquisition, Cost of Acquired Entity, Cash Paid Net Cash Provided by (Used in) Operating Activities Key Provisions of Operating or Partnership Agreement, Description Cash and Cash Equivalents, Period Increase (Decrease) Business Acquisition, Cost of Acquired Entity, Transaction Costs Gain (Loss) on Disposition of Property Business Acquisition, Name of Acquired Entity Amendment Flag Reclassifications [Text Block] Amortization of above and below Market Leases Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Entity Central Index Key Other Depreciation and Amortization Business Acquisition, Effective Date of Acquisition (Deprecated 2012-01-31) General Partners' Contributed Capital Real Estate Investment Property, at Cost Net Cash Provided by (Used in) Financing Activities Payments for Repurchase of Redeemable Noncontrolling Interest Real Estate Revenue, Net Payments of Capital Distribution Entity Common Stock, Shares Outstanding Capital Units, Value Real Estate Disclosure [Text Block] Real Estate Investment Property, Net Entity Filer Category Document Fiscal Year Focus Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets Disposal Group, Including Discontinued Operation, Operating Expense Entity Public Float Real Estate Investment Property, Accumulated Depreciation Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds Entity Voluntary Filers Operating Income (Loss) Liabilities and Equity Limited Partners' Contributed Capital Real Estate Investments, Net Assets Entity Current Reporting Status Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Amortization of Acquired Intangible Assets Entity Registrant Name Accounts Payable and Accrued Liabilities Disclosure [Text Block] Business Acquisition, Purchase Price Allocation, Noncurrent Liabilities Business Acquisition, Percentage of Voting Interests Acquired Disposal Group, Including Discontinued Operation, Rental Income Entity Well-known Seasoned Issuer Payments to Acquire Real Estate Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Amendment Description Distribution Policy, Members or Limited Partners, Description Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Document Type Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Net Income (Loss) Allocated to General Partners Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Net Current Fiscal Year End Date Document Fiscal Period Focus Fair Value Disclosures [Text Block] Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Statement [Table] Statement [Line Items]