Formation and Description of Business	9 Months Ended
Sep. 30, 2012
Business Combination, Description [Abstract]
Formation and Description of Business	Note 2: Formation and Description of Business National Property Analysts Master Limited Partnership (NPAMLP), a limited partnership, was formed effective January 1, 1990. NPAMLP is owned 99% by the limited partners and 1% collectively by EBL&S, Inc., the managing general partner, and Feldman International, Inc. (“FII”), the equity general partner. The properties included in NPAMLP consist primarily of regional shopping centers or malls with national retailers as anchor tenants. The ownership and operations of these properties have been combined in NPAMLP. The financial statements include the accounts of partnerships that contributed their interests to NPAMLP and certain partnerships whose partnership interests were not contributed as of the effective date of NPAMLP’s formation on January 1, 1990, but were allocated their interests in NPAMLP as if their partnership interests had been contributed on January 1, 1990.

The entire disclosure for the nature of an entity's business, the major products or services it sells or provides and its principal markets, including the locations of those markets. If the entity operates in more than one business, the disclosure also indicates the relative importance of its operations in each business and the basis for the determination (for example, assets, revenues, or earnings).

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6003-108592

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

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 94-6

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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