XML 43 R26.htm IDEA: XBRL DOCUMENT v3.4.0.3
Organization (Details Textual) - USD ($)
1 Months Ended 9 Months Ended
Jan. 08, 2015
Sep. 26, 2014
Mar. 31, 2016
Common Unit, Issued     50,000
Maximum [Member]      
Percentage Of Funds Asset     15.00%
Percentage Of Treasury Instrument     10.00%
Minimum [Member]      
Percentage Of Funds Asset     5.00%
Percentage Of Treasury Instrument     3.00%
Two Year Maturity Treasury Instruments [Member] | Minimum [Member]      
Expected Range for duration weighted percentage     30.00%
Five Year Maturity Treasury Instruments [Member] | Maximum [Member]      
Expected Range for duration weighted percentage     70.00%
Ten Year Maturity Treasury Instruments [Member] | Maximum [Member]      
Expected Range for duration weighted percentage     25.00%
Ten Year Maturity Treasury Instruments [Member] | Minimum [Member]      
Expected Range for duration weighted percentage     5.00%
ETF Managers Capital LLC [Member]      
Proceeds from Contributed Capital   $ 1,000  
Number Of shares Exchanged   40  
Share Price   $ 25.00  
Sit Fixed Income Advisors II, LLC [Member]      
Proceeds from Contributed Capital $ 5,000,000    
Share Price $ 25.00    
Sit Fixed Income Advisors II, LLC [Member] | Maximum [Member]      
Percentage of fee paid     0.50%
Sit Fixed Income Advisors II, LLC [Member] | Minimum [Member]      
Percentage of fee paid     0.35%