Average Annual Total Returns |
12 Months Ended | 23 Months Ended | |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Bloomberg U.S. Treasury Index[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 6.32% | 3.81% | |
| LifeX Durable Income ETF | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.78% | 1.17% | |
| Performance Inception Date | Jan. 17, 2024 | ||
| LifeX Durable Income ETF | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 2.89% | (0.54%) | |
| LifeX Durable Income ETF | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 2.81% | 0.17% |