2.4.0.6 Html 13 83 1 false 1 0 false 8 false false R1.htm 101 - Document - Document and Entity Information Sheet http://deltaco.com/taxonomy/role/DocumentDocumentandEntityInformation Document and Entity Information true false R2.htm 103 - Statement - CONDENSED BALANCE SHEETS Sheet http://deltaco.com/taxonomy/role/StatementOfFinancialPositionClassified CONDENSED BALANCE SHEETS false false R3.htm 104 - Statement - CONDENSED BALANCE SHEETS (Parenthetical) Sheet http://deltaco.com/taxonomy/role/StatementOfFinancialPositionClassifiedParenthetical CONDENSED BALANCE SHEETS (Parenthetical) false false R4.htm 105 - Statement - CONDENSED STATEMENTS OF INCOME (Unaudited) Sheet http://deltaco.com/taxonomy/role/StatementOfIncomeAlternative CONDENSED STATEMENTS OF INCOME (Unaudited) false false R5.htm 106 - Statement - CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) Sheet http://deltaco.com/taxonomy/role/StatementOfCashFlowsIndirect CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) false false R6.htm 107 - Disclosure - BASIS OF PRESENTATION Sheet http://deltaco.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock BASIS OF PRESENTATION false false R7.htm 108 - Disclosure - NET INCOME PER LIMITED PARTNERSHIP UNIT Sheet http://deltaco.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlock NET INCOME PER LIMITED PARTNERSHIP UNIT false false R8.htm 109 - Disclosure - LEASING ACTIVITIES Sheet http://deltaco.com/taxonomy/role/NotesToFinancialStatementsLeasesOfLessorDisclosureTextBlock LEASING ACTIVITIES false false R9.htm 110 - Disclosure - TRANSACTIONS WITH DEL TACO Sheet http://deltaco.com/taxonomy/role/NotesToFinancialStatementsRelatedPartyTransactionsDisclosureTextBlock TRANSACTIONS WITH DEL TACO false false R10.htm 111 - Disclosure - DISTRIBUTIONS Sheet http://deltaco.com/taxonomy/role/NotesToFinancialStatementsPartnersCapitalNotesDisclosureTextBlock DISTRIBUTIONS false false R11.htm 112 - Disclosure - PAYABLE TO LIMITED PARTNERS Sheet http://deltaco.com/taxonomy/role/NotesToFinancialStatementsOtherLiabilitiesDisclosureTextBlock PAYABLE TO LIMITED PARTNERS false false R12.htm 113 - Disclosure - CONCENTRATION OF RISK Sheet http://deltaco.com/taxonomy/role/NotesToFinancialStatementsConcentrationRiskDisclosureTextBlock CONCENTRATION OF RISK false false R13.htm 114 - Disclosure - Net Income Per Limited Partnership Unit - Additional Information (Detail) Sheet http://deltaco.com/taxonomy/role/DisclosureNetIncomePerLimitedPartnershipUnitAdditionalInformation Net Income Per Limited Partnership Unit - Additional Information (Detail) false false R14.htm 115 - Disclosure - Leasing Activities - Additional Information (Detail) Sheet http://deltaco.com/taxonomy/role/DisclosureLeasingActivitiesAdditionalInformation Leasing Activities - Additional Information (Detail) false false R15.htm 116 - Disclosure - Transactions With Del Taco - Additional Information (Detail) Sheet http://deltaco.com/taxonomy/role/DisclosureTransactionsWithDelTacoAdditionalInformation Transactions With Del Taco - Additional Information (Detail) false false R16.htm 117 - Disclosure - Distributions - Additional Information (Detail) Sheet http://deltaco.com/taxonomy/role/DisclosureDistributionsAdditionalInformation Distributions - Additional Information (Detail) false false R17.htm 118 - Disclosure - Payable To Limited Partners - Additional Information (Detail) Sheet http://deltaco.com/taxonomy/role/DisclosurePayableToLimitedPartnersAdditionalInformation Payable To Limited Partners - Additional Information (Detail) false false R18.htm 119 - Disclosure - Concentration of Risk - Additional Information (Detail) Sheet http://deltaco.com/taxonomy/role/DisclosureConcentrationOfRiskAdditionalInformation Concentration of Risk - Additional Information (Detail) false false All Reports Book All Reports Process Flow-Through: 103 - Statement - CONDENSED BALANCE SHEETS Process Flow-Through: Removing column 'Sep. 30, 2011' Process Flow-Through: Removing column 'Dec. 31, 2010' Process Flow-Through: 104 - Statement - CONDENSED BALANCE SHEETS (Parenthetical) Process Flow-Through: 105 - Statement - CONDENSED STATEMENTS OF INCOME (Unaudited) Process Flow-Through: 106 - Statement - CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2012' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2011' dtrpi-20120930.xml dtrpi-20120930.xsd dtrpi-20120930_cal.xml dtrpi-20120930_def.xml dtrpi-20120930_lab.xml dtrpi-20120930_pre.xml true true