Net Income Per Limited Partnership Unit - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Share [Abstract]
Number of units used in computing per unit amounts	27,006	27,006	27,006	27,006
Percentage of net income allocated to general partner			1.00%
Percentage of net income attributable limited partners			99.00%
Percentage of gain on sale and refinancing allocated to general partner			1.00%
Percentage of gain on sale and refinancing allocated to limited partners			99.00%
Percentage of additional gain on sale and refinancing allocated to general partner			15.00%
Percentage of additional gain on sale and refinancing allocated to limited partners			85.00%