v3.26.1
Average Annual Total Returns
12 Months Ended 20 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Bloomberg US Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)    
Prospectus [Line Items]    
Average Annual Return, Percent 7.30% 6.97% [1]
S&P 500 Index (reflects no deduction for fees, expenses or taxes)    
Prospectus [Line Items]    
Average Annual Return, Percent 23.31% 21.21% [1]
Milliman Healthcare Inflation Guard ETF [Member]    
Prospectus [Line Items]    
Average Annual Return, Percent 21.23% 15.00% [1]
Performance Inception Date   Apr. 22, 2024
[1] The Predecessor Account commenced investment operations on April 22, 2024.