LifeX 2050 Longevity Income ETF Investment Objectives and Goals - LifeX 2050 Longevity Income ETF |
Dec. 31, 2024 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;font-weight:bold;">LifeX 2050 Longevity Income ETF</span> |
| Objective [Heading] | <span style="color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:bold;">Investment Objective</span> |
| Objective, Primary [Text Block] | The LifeX 2050 Longevity Income ETF (the “Fund”)1 seeks to provide reliable monthly distributions consisting of income and principal through 2050.There can be no assurance that the Fund will achieve its investment objective. |