Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts Payable Current Accounts payable Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Less-accumulated depreciation Additional losses allocated to general partner percentage. Additional Losses Allocated To General Partner Percentage Additional losses allocated to general partner percentage Additional losses allocated to limited partners percentage. Additional Losses Allocated To Limited Partners Percentage Additional losses allocated to limited partners percentage Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Amendment Flag Amendment Flag Assets Total assets Assets [Abstract] ASSETS Assets Current Total current assets Assets Current [Abstract] CURRENT ASSETS: Basis Of Accounting Policy Policy [Text Block] Basis of Accounting Building Improvements [Member] Buildings and improvements [Member] Buildings And Improvements Gross Buildings and improvements Cash And Cash Equivalents At Carrying Value Ending cash balance Beginning cash balance Cash Cash And Cash Equivalents Period Increase Decrease Net change in cash Concentration Risk Credit Risk Concentration of Risk Costs And Expenses [Abstract] EXPENSES: Current Fiscal Year End Date Current Fiscal Year End Date Deferred Tax Liabilities Depreciation Differences Deferred Tax Liabilities Depreciation Differences Difference in book vs. tax depreciation Deltaco franchisee. Del Taco Franchisee [Member] Del Taco franchisee [Member] Deposits Assets Current Deposits Depreciation Depreciation Distribution Made To Limited Partner Declaration Date Distributions to the limited partner, declaration date Distribution Made To Limited Partner Distributions Declared Per Unit Distributions to the limited partner, per unit amount declared Distribution made to member or general partner distribution date. Distribution Made To Member Or General Partner Distribution Date Distribution to the limited partner, distribution date Distributions Made To Limited Partner By Distribution Table [Text Block] Summary of Cash Distributions Paid to Limited Partners Distributions Per Limited Partnership Unit Outstanding Cash Distribution per Limited Partnership Unit Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Period End Date Document Period End Date Document Type Document Type Due From Related Parties Current Receivable from Del Taco LLC Due To Related Parties Current Payable to limited partners Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Registrant Name Entity Registrant Name Entity Voluntary Filers Entity Voluntary Filers Entity Well Known Seasoned Issuer Entity Well-known Seasoned Issuer Equity [Abstract] Equity [Abstract] Excess Book Depreciation Excess Book Depreciation Excess book depreciation Fair Value Of Financial Instruments Policy Fair Value of Financial Instruments General And Administrative Expense General and administrative General Partner Interest General Partner Interest General partner interest in partnership General Partner [Member] General Partner [Member] General Partners Capital Account General partner-Del Taco LLC General partners capital account partnership interest percentage. General Partners Capital Account Partnership Interest Percentage General partner, partnership interest percentage Income Statement [Abstract] Income Statement [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Income Taxes Income Tax Policy [Text Block] Income Taxes Increase Decrease In Accounts Payable Accounts payable Increase Decrease In Accounts Payable Related Parties Payable to limited partners Increase Decrease In Deposits Outstanding Deposits Increase Decrease In Due From Related Parties Current Receivable from Del Taco LLC Increase Decrease In Operating Capital [Abstract] Changes in operating assets and liabilities: Investment Income Interest Interest Issue Costs of Limited Partnership Capitalized for Tax Issue Costs Of Limited Partnership Capitalized For Tax Issue costs of limited partnership units capitalized for tax purposes Land Land Land And Land Improvements [Member] Land & land improvements [Member] Land Improvements Land improvements Land Improvements [Member] Land improvements [Member] La Verne [Member] La Verne [Member] La Verne, CA [Member] Leases [Abstract] Leases [Abstract] Leases expiration date. Leases Expiration Date Leases expiration date Leases [Line Items] Leases [Line Items] Leases [Line Items] Leases Of Lessor Disclosure [Text Block] Leasing Activities Leases [Table] Leases [Table] Leases [Table] Liabilities And Stockholders Equity Total liabilities and partners' equity Liabilities And Stockholders Equity [Abstract] LIABILITIES AND PARTNERS' EQUITY Liabilities Current Total current liabilities Liabilities Current [Abstract] CURRENT LIABILITIES: Limited Liability Company Or Limited Partnership Business Formation Date Date of formation Limited Partner [Member] Limited Partners [Member] Limited Partners Capital Account Limited partners; 8,751 units outstanding at December 31, 2013 and 2012 Limited Partners Capital Account Units Outstanding Limited partners, units outstanding Number of Units Outstanding at the End of the Quarter Machinery And Equipment Gross Machinery and equipment Machinery And Equipment [Member] Machinery and equipment [Member] Moreno Valley [Member] Moreno Valley [Member] Moreno Valley, CA [Member] Net Cash Provided By Used In Financing Activities [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES - Net Cash Provided By Used In Operating Activities Net cash provided by operating activities Net Cash Provided By Used In Operating Activities [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Net Income Loss Net income Net income Net income per financial statements Net Income Loss Before Tax Net Income Loss Before Tax Net Income Per unit of ownership amount before tax of income (loss) available to outstanding limited partnership (LP) unit-holder. Net Income Loss Per Outstanding Limited Partnership Unit Basic Before Tax Net income per limited partnership unit Net income per limited partnership unit (Note 2) Net Income Per Limited Partner Unit Policy [Text Block] Net Income Per Limited Partner Unit Policy [Text Block] Net Income Per Limited Partnership Unit Nonoperating Income Expense [Abstract] OTHER INCOME: Number Of Leased Restaurants Number Of Leased Restaurants Restaurants leased Number Of Major Commercial Banks Number Of Major Commercial Banks Commercial bank Number of other partnerships formed for acquisition. Number Of Other Partnerships Formed For Acquisition Number of other partnerships formed for acquisition Number Of Restaurants Mexican-American restaurants Number of restaurants operated. Number Of Restaurants Operated Number of restaurants operated Operating Expenses Total expenses Operating Income Loss Operating income Operating lease period. Operating Lease Period Number of lease years Operating Leases Income Statement Lease Revenue RENTAL REVENUES Operating leases net income loss. Operating Leases Net Income Loss Combined unaudited net income (loss) Operating Leases Rent Expense Minimum Rentals Minimum rentals due per month to Partnership Organization And Significant Accounting Policies [Line Items] Organization And Significant Accounting Policies [Line Items] Organization And Significant Accounting Policies [Line Items] Organization And Significant Accounting Policies [Table] Organization And Significant Accounting Policies [Table] Organization And Significant Accounting Policies [Table] Organization Consolidation And Presentation Of Financial Statements Disclosure And Significant Accounting Policies [Text Block] Organization and Summary of Significant Accounting Policies Organization Policy [Text Block] Organization Policy [Text Block] The Partnership Other Liabilities Disclosure [Abstract] Other Liabilities Disclosure [Abstract] Other Liabilities Disclosure [Text Block] Payable to Limited Partners Other Nonoperating Income Other Other Partners Capital Other Parties To Contractual Arrangement [Axis] Parties to Contractual Arrangement [Axis] Parties To Contractual Arrangement [Member] Parties to Contractual Arrangement [Domain] Partners Capital Balance Balance Partners' equity per financial statements Total partners' equity Partners Capital [Abstract] PARTNERS' EQUITY: CASH DISTRIBUTIONS TO LIMITED PARTNERS Partners Capital Account Distribution Per Unit Of Limited Partner Interest [Text Block] Cash Distributions to Limited Partners Partners Capital Account Distributions Cash Distributions Cash Distributions Partners Capital Account Units Balance, Shares Balance, Shares Partners Capital Notes Disclosure [Text Block] Partners' Equity Partners Equity Net Partners Equity Net Partners' equity for tax purposes Partner Type Of Partners Capital Account [Axis] Partner Type [Axis] Partner Type Of Partners Capital Account Name [Domain] Partner Type of Partners' Capital Account, Name [Domain] Payables And Accruals [Abstract] Payables and Accruals [Abstract] Payments Of Dividends Cash distributions to partners Percentage of additional gain on sale and refinancing allocated to general partner. Percentage Of Additional Gain On Sale And Refinancing Allocated To General Partner Percentage of additional gain on sale and refinancing allocated to general partner Percentage of additional gain on sale and refinancing allocated to limited partners. Percentage Of Additional Gain On Sale And Refinancing Allocated To Limited Partners Percentage of additional gain on sale and refinancing allocated to limited partners Percentage of gain on sale and refinancing allocated to general partner. Percentage Of Gain On Sale And Refinancing Allocated To General Partner Percentage of gain on sale and refinancing allocated to general partner Percentage of gain on sale and refinancing allocated to limited partners. Percentage Of Gain On Sale And Refinancing Allocated To Limited Partners Percentage of gain on sale and refinancing allocated to limited partners Percentage of gross sales of the restaurants. Percentage Of Gross Sales Of Restaurants Percentage of gross sales of restaurants Percentage of net income attributable general partner. Percentage Of Net Income Attributable General Partner Percentage of net income allocated to general partner Percentage of net income attributable to general partner Percentage of net income attributable limited partners. Percentage Of Net Income Attributable Limited Partners Percentage of net income attributable limited partners Percentage of net loss attributable general partner. Percentage Of Net Loss Attributable General Partner Percentage of net loss attributable general partner Percentage of net loss attributable limited partners. Percentage Of Net Loss Attributable Limited Partners Percentage of net loss attributable limited partners Period of payable outstanding to limited partners. Period Of Payable Outstanding To Limited Partners Period of payable outstanding to limited partners Property Plant And Equipment By Type [Axis] Property, Plant and Equipment, Type [Axis] Property Plant And Equipment Gross Property and equipment, gross Property Plant And Equipment Net Property and equipment, net Property Plant And Equipment Net [Abstract] PROPERTY AND EQUIPMENT: Property Plant And Equipment Policy [Text Block] Property and Equipment Property Plant And Equipment Type [Domain] Property, Plant and Equipment, Type [Domain] Property Plant And Equipment Useful Life Estimated useful lives of property and equipment Property Subject To Or Available For Operating Lease Number Of Units Number of properties leased Quarterly Financial Information Disclosure [Abstract] Quarterly Financial Information Disclosure [Abstract] Quarterly Financial Information [Text Block] Results by Quarter Rancho Cucamonga [Member] Rancho Cucamonga [Member] Rancho Cucamonga, CA [Member] Real Estate [Abstract] Real Estate [Abstract] Real Estate Accumulated Depreciation Accumulated Depreciation, Ending Balance Accumulated Depreciation, Beginning Balance Accumulated depreciation Real Estate Accumulated Depreciation Other Additions Accumulated Depreciation, Additions Real Estate Accumulated Depreciation Other Deductions Accumulated Depreciation, Retirements Real Estate And Accumulated Depreciation Amount Of Encumbrances Encumbrances Real Estate And Accumulated Depreciation By Property [Table] SEC Schedule III, Real Estate and Accumulated Depreciation, by Property [Table] Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Carrying Costs Cost capitalized subsequent to acquisition, Carrying costs Real Estate And Accumulated Depreciation Date Of Construction Two Real Estate And Accumulated Depreciation Date Of Construction Two Date of construction Real Estate And Accumulated Depreciation Description Of Property [Axis] Name of Property [Axis] Real Estate And Accumulated Depreciation Disclosure [Abstract] SEC Schedule III, Real Estate and Accumulated Depreciation Disclosure [Abstract] Real Estate And Accumulated Depreciation Disclosure [Text Block] Schedule III - Real Estate and Accumulated Depreciation Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements Initial cost to company, Building & Improvements Real Estate And Accumulated Depreciation Initial Cost Of Land Initial cost to company, Land & land improvements Real Estate And Accumulated Depreciation Life Used For Depreciation 1 Life on which depreciation in latest income statement is computed Real Estate And Accumulated Depreciation [Line Items] SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] Real Estate And Accumulated Depreciation Name Of Property [Domain] Name of Property [Domain] Real Estate and Accumulated Depreciation, Year Acquired Real Estate And Accumulated Depreciation Year Acquired Date acquired Real Estate Federal Income Tax Basis Aggregate cost of real estate assets for Federal tax purposes Real Estate Gross At Carrying Value Restaurants, Ending Balance Restaurants, Beginning Balance Gross amount at which carried at close of period Land, buildings & improvements Total Real Estate Other Additions Restaurants, Additions Real Estate Other Deductions Restaurants, Retirements Related Party Transaction [Line Items] Related Party Transaction [Line Items] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Related Parties Rental Revenue Percentage Rental Revenue Percentage Rental revenue percentage Restaurant One [Member] Restaurant One [Member] Restaurant I [Member] Restaurant Two [Member] Restaurant Two [Member] Restaurant II [Member] Revenue Recognition Policy [Text Block] Revenue Recognition Rialto [Member] Rialto [Member] Rialto, CA [Member] Sacramento [Member] Sacramento [Member] Sacramento, CA [Member] Sales Revenue Goods Gross Combined unaudited sales Schedule Of Quarterly Financial Information Table [Text Block] Summary of Results by Quarter Schedule Of Reconciliation Of Net Income To Taxable Income Table [Text Block] Schedule Of Reconciliation Of Net Income To Taxable Income Table [Text Block] Reconciliation of Financial Statement Net Income to Taxable Income Schedule of Reconciliation of Partnership Equity per Financial Statements to Partners' Equity for Tax Purposes [Table Text Block] Schedule Of Reconciliation Of Partnership Equity Per Financial Statements To Partners Equity For Tax Purposes Table [Text Block] Reconciliation of Partnership Equity Per Financial Statements to Partners' Equity for Tax Purposes Schedule Of Related Party Transactions By Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Segment Geographical [Domain] Geographical [Domain] Statement Geographical [Axis] Geographical [Axis] Statement [Line Items] Statement [Line Items] Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Statement Of Stockholders Equity [Abstract] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Subleased assets number of units. Subleased Assets Number Of Units Number of properties subleased to Del Taco franchisee Subsequent Events Policy Policy [Text Block] Subsequent Events Taxable Income Taxable Income Taxable income Text Block [Abstract] Text Block [Abstract] Trading Symbol Trading Symbol Use Of Estimates Use of Estimates Weighted Average Limited Partnership Units Outstanding Weighted average number of units outstanding to general partner Number of limited partnership units used in computing per unit amounts Weighted Average Number of Units Outstanding