Leasing Activities - Additional Information (Detail)	3 Months Ended	9 Months Ended
Sep. 30, 2015 USD ($) Restaurants	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) Restaurants	Sep. 30, 2014 USD ($)
Leases [Abstract]
Number of restaurants leased to Del Taco \| Restaurants	8		8
Number of lease years			35 years
Percentage of gross sales of the restaurants			12.00%
Leases expiration period			2022 to 2024
Minimum rentals due to Partnership			$ 3,500
Combined unaudited sales	$ 2,446,301	$ 2,322,587	7,164,352	$ 6,729,276
Combined unaudited net income (losses)	$ 94,834	$ 9,346	$ 212,987	$ 4,498

This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 25

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=7661868&loc=d3e34039-112682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

Name:	us-gaap_OperatingLeasesRentExpenseMinimumRentals
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration