S000047014 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Bloomberg U.S. Universal Index (Reflects no deduction for fees, expenses or taxes | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.58% | 0.06% | 2.44% |
| Reference Benchmark (Reflects no deduction for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 6.85% | 1.92% | 2.89% |
| BATS: Securitized Total Return Series | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.34% | 4.26% | 4.71% |
| BATS: Securitized Total Return Series | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.78% | 2.16% | 2.51% |
| BATS: Securitized Total Return Series | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.30% | 2.33% | 2.62% |