Transactions with General Partner and its Affiliates - Amounts paid and/or accrued to the General Partner and its Affiliates (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Related Party Transactions [Abstract]
Management fees	$ 65,679	$ 64,734	$ 130,728	$ 128,592
Restoration fees	0	0	0	0
Overhead allowance	5,298	5,223	10,546	10,374
Other outsourced administrative fees	675	600	1,763	4,950
Sales Commission	0	16,296	0	16,296
Reimbursement for out-of-pocket expenses	986	1,583	2,148	3,018
Cash distribution	335	1,696	335	1,803
Total general partner	$ 72,973	$ 90,132	$ 145,520	$ 165,033