Condensed Statements of Income (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Statements of Income [Abstract]
RENTAL REVENUES	$ 254,923	$ 260,039	$ 505,360	$ 509,762
EXPENSES:
General and administrative	15,012	12,563	54,439	50,570
Depreciation	19,093	28,310	40,200	56,620
Total expenses	34,105	40,873	94,639	107,190
Operating income	220,818	219,166	410,721	402,572
OTHER INCOME (EXPENSE):
Interest	125	127	247	257
Other	1,100	1,350	1,775	1,575
Net income	$ 222,043	$ 220,643	$ 412,743	$ 404,404
Net income per limited partnership unit (note 3)	$ 4.65	$ 4.62	$ 8.65	$ 8.47
Number of units used in computing per unit amounts	47,261	47,261	47,261	47,261