v3.26.1
BetaBuilders U.S. Treasury Bond 3-10 Year ETF Expense Example - BetaBuilders U.S. Treasury Bond 3-10 Year ETF - ETF
Feb. 28, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 4
Expense Example, with Redemption, 3 Years 13
Expense Example, with Redemption, 5 Years 23
Expense Example, with Redemption, 10 Years $ 51