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v3.20.1

Organization (Details) | 9 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Jan. 01, 2018
Sit Fixed Income Advisors II, LLC [Member] |  |
Organization (Textual) |  |
Percentage of fee paid |  | 0.20%
SIT RISING RATE ETF [Member] |  |
Organization (Textual) |  |
Percentage of fee paid |  | 1.00%
Description of rise benchmark portfolio | If interest rates rise by 1%, the market value of a security with an effective duration of 5 years would decrease by 5%, with all other factors being constant, and likewise the market value of a security with an effective duration of negative 5 years would increase by 5%, with all other factors being constant. The correlation between duration and price sensitivity is greater for securities rated investment-grade than it is for securities rated below investment-grade. |
SIT RISING RATE ETF [Member] | Minimum [Member] |  |
Organization (Textual) |  |
Percentage of funds asset | 5.00% |
Percentage of treasury instrument | 3.00% |
SIT RISING RATE ETF [Member] | Maximum [Member] |  |
Organization (Textual) |  |
Percentage of funds asset | 15.00% |
Percentage of treasury instrument | 10.00% |
SIT RISING RATE ETF [Member] | Two Year Maturity Treasury Instruments [Member] | Minimum [Member] |  |
Organization (Textual) |  |
Expected range for duration weighted percentage | 30.00% |
SIT RISING RATE ETF [Member] | Five Year Maturity Treasury Instruments [Member] | Maximum [Member] |  |
Organization (Textual) |  |
Expected range for duration weighted percentage | 70.00% |
SIT RISING RATE ETF [Member] | Ten Year Maturity Treasury Instruments [Member] | Minimum [Member] |  |
Organization (Textual) |  |
Expected range for duration weighted percentage | 5.00% |
SIT RISING RATE ETF [Member] | Ten Year Maturity Treasury Instruments [Member] | Maximum [Member] |  |
Organization (Textual) |  |
Expected range for duration weighted percentage | 25.00% |
BREAKWAVE DRY BULK SHIPPING ETF | Capesize Freight Futures contracts [Member] |  |
Organization (Textual) |  |
Percentage of concentration risk | 50.00% |
BREAKWAVE DRY BULK SHIPPING ETF | Panamax Freight Futures contracts [Member] |  |
Organization (Textual) |  |
Percentage of concentration risk | 40.00% |
BREAKWAVE DRY BULK SHIPPING ETF | Supramax Freight Futures contracts [Member] |  |
Organization (Textual) |  |
Percentage of concentration risk | 10.00% |
BREAKWAVE DRY BULK SHIPPING ETF | Minimum [Member] |  |
Organization (Textual) |  |
Percentage of freight futures position | 10.00% |
BREAKWAVE DRY BULK SHIPPING ETF | Maximum [Member] |  |
Organization (Textual) |  |
Percentage of freight futures position | 40.00% |

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