Short Term Government Income Trust Investment Objectives and Goals - Short Term Government Income Trust	Dec. 31, 2025
Prospectus [Line Items]
Risk/Return [Heading]	<span style="color:#000000;font-family:Arial Narrow;font-size:24pt;">Short Term Government Income Trust</span>
Objective [Heading]	<span style="color:#000000;font-family:Arial Narrow;font-size:10pt;font-weight:bold;">Investment objective</span>
Objective, Primary [Text Block]	To seek a high level of current income consistent with preservation of capital.
Objective, Secondary [Text Block]	Maintaining a stable share price is a secondary goal.

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