Income Tax Basis Net Income and Partners' Capital Reconciliation of Net Income (Loss) to Tax Basis (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Basis Net Income and Partners' Capital [Abstract]
Financial statement net income (loss)	$ (43,513)	$ (37,700)	$ 37,490	$ 21,656	$ 38,171	$ 27,592	$ 501,846	$ (14,133)	$ (22,067)	$ 553,476	$ (393,956)
Adjustments in net income resulting from:
Depreciation expense for financial reporting purposes (less than) greater than amounts for income tax purposes									(42,211)	(12,374)	18,534
Rental income accrued for financial reporting purposes (greater than) less than amounts for income tax purposes									(31,650)	(11,827)	106,025
Gains on sale of properties for financial reporting purposes in excess of income tax purposes									0	(580,348)	(72,753)
Impairment losses taken for financial reporting purposes in excess of amounts for income tax purposes									0	0	565,248
Other									(504)	(253,893)	(65,455)
Income tax basis net income (loss)									$ (96,432)	$ (304,966)	$ 157,643