S000001469 [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. Aggregate Bond Index (Reflects no deduction for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.30% | (0.36%) | 2.01% |
| Bloomberg U.S. Credit Index (Reflects no deduction for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.83% | (0.05%) | 3.15% |
| BATS: Corporate Credit Total Return Series | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.95% | 0.24% | 3.56% |
| BATS: Corporate Credit Total Return Series | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 5.64% | (1.51%) | 1.75% |
| BATS: Corporate Credit Total Return Series | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.66% | (0.55%) | 2.00% |