v3.26.1
Siebert Williams Shank Shares [Member] Average Annual Total Returns - Siebert Williams Shank Shares
12 Months Ended 40 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Bloomberg Global Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 8.18%   (2.14%) 1.26%
ICE BofA 1-Year U.S. Treasury Note Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 4.15%   2.48% 2.03%
Siebert Williams Shank Shares        
Prospectus [Line Items]        
Average Annual Return, Percent [1] 5.16%   3.22% 2.67%
Performance Inception Date [1]   Sep. 13, 2022    
Siebert Williams Shank Shares | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent [1] 3.19%   1.91% 1.65%
Siebert Williams Shank Shares | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent [1] 3.03%   1.90% 1.61%
[1] The inception date of Siebert Williams Shank Shares is September 13, 2022. Performance shown prior to the inception date is that of the Fund’s Shares Class shares at NAV. Performance reflects any applicable fee waivers and/or expense reimbursements.