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S000047014 [Member] Investment Objectives and Goals - BATS: Securitized Total Return Series
Mar. 31, 2026
Prospectus [Line Items]  
Risk/Return [Heading] Fund OverviewKey Facts About BATS: Securitized Total Return Series
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The investment objective of the BATS: Securitized Total Return Series (formerly known as BATS: Series A Portfolio) (the “Fund”) is to seek a high level of current income consistent with capital preservation.