Financial Highlights (Tables)

6 Months Ended

Jun. 30, 2015

Financial Highlights [Abstract]

Schedule of Financial Highlights

The range of total return for the three and six months ended June 30, 2015 and 2014 were as follows:

	Six Months Ended June 30,
	2015			2014
Total Return	2.20%	to	2.66%	1.96%	to	2.41%
	Three Months Ended June 30,
	2015			2014
Total Return	0.60%	to	0.83%	1.54%	to	1.77%