Condensed Statements of Income (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Condensed Statements of Income [Abstract]
RENTAL REVENUES	$ 106,164	$ 105,523	$ 310,504	$ 307,689
EXPENSES:
General and administrative	11,404	9,963	55,881	51,374
Depreciation	9,213	9,213	27,639	28,252
Total expenses	20,617	19,176	83,520	79,626
Operating income	85,547	86,347	226,984	228,063
OTHER INCOME:
Interest	21	27	63	73
Other	250	75	625	300
Net income	85,818	86,449	227,672	228,436
Net income per limited partnership unit (Note 2)	$ 0.51	$ 0.52	$ 1.36	$ 1.37
Number of units used in computing per unit amounts	165,375	165,375	165,375	165,375