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Statements of Income (USD $)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Statements of Income [Abstract]      
RENTAL REVENUES $ 733,960 $ 749,936 $ 740,556
EXPENSES:      
General and administrative 96,321 69,561 73,711
Depreciation 28,948 28,948 28,948
Total expenses 125,269 98,509 102,659
Operating income 608,691 651,427 637,897
OTHER INCOME:      
Interest 245 273 274
Other 1,875 1,300 1,575
Net income $ 610,811 $ 653,000 $ 639,746
Net income per limited partnership unit (Note 2) $ 69.10 $ 73.87 $ 72.37
Number of limited partnership units used in computing per unit amounts 8,751 8,751 8,751