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Net Income Per Limited Partnership Unit - Additional Information (Detail)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Earnings Per Share [Line Items]        
Percentage of net income allocated to general partner     1.00%  
Weighted average number of units outstanding to general partner 27,006 27,006 27,006 27,006
General Partner [Member]
       
Earnings Per Share [Line Items]        
Percentage of net income allocated to general partner     1.00%  
Percentage of gain on sale and refinancing allocated to General Partner     1.00%  
Percentage of additional gain on sale and refinancing allocated to General Partner     15.00%  
Limited Partners [Member]
       
Earnings Per Share [Line Items]        
Percentage of net income attributable limited partners     99.00%  
Percentage of gain on sale and refinancing allocated to limited partners     99.00%  
Percentage of additional gain on sale and refinancing allocated to limited partners     85.00%