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Leasing Activities - Additional Information (Detail) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Leases Disclosure [Line Items]    
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 2,008,030 1,969,125
Combined unaudited net losses $ 39,198 $ 21,373