Transactions with General Partner and Its Affiliates - Amounts Paid and/or Accrued to General Partner and Its Affiliates (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Related Party Transactions [Abstract]
Management fees	$ 66,744	$ 65,679	$ 132,778	$ 130,728
Restoration fees	0	0	0	0
Overhead allowance	5,385	5,298	10,712	10,546
Other outsourced administrative fees	300	675	788	1,763
Sales Commission	0	0	0	0
Reimbursement for out-of-pocket expenses	0	986	2,500	2,148
Cash distribution	509	335	535	335
Total general partner	$ 72,938	$ 72,973	$ 147,313	$ 145,520