Fixed Income SHares Series TE Investment Objectives and Goals - Fixed Income SHares Series TE	Dec. 31, 2025
Prospectus [Line Items]
Risk/Return [Heading]	Fixed Income SHares: Series TE
Objective [Heading]	<span style="color:#00687D;font-family:Arial Narrow;font-size:12pt;font-weight:bold;">Investment Objectives</span>
Objective, Primary [Text Block]	The Portfolio seeks high current income exempt from U.S. federal income tax consistent with prudent investment management. Total return/capital appreciation is a secondary objective.
Objective, Secondary [Text Block]	Total return/capital appreciation is a secondary objective.

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