Financial Highlights - Schedule of Financial Highlights (Detail) (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012
Equity [Abstract]
Net proceeds before offering costs	$ 9.025	$ 9.025
Offering costs	$ (0.468)	$ (0.452)
Net Proceeds after offering costs	$ 8.557	$ 8.573
Net investment income/(loss)	$ 0.504	$ 0.166
Distributions	$ (0.514)	$ (0.166)
Capital contribution	$ 0.010
Net increase/(decrease) in net assets	$ 0.000
Net asset value at end of period	$ 8.557	$ 8.573
Total return based on net asset value	6.02%	1.936%
Net assets at end of period	$ 44,457,338	$ 4,636,860	$ 13,365,263	$ 199,862
Units Outstanding at end of period	5,195,730.953	540,880.631	1,559,136.769
Ratio/Supplemental data (annualized) :
Ratio of net investment income/(loss) to average net assets	7.68%	4.82%
Ratio of operating expenses to average net assets	1.18%	2.18%