v3.26.1
Shares [Member] Shareholder Fees - U.S. GOVERNMENT SELECT PORTFOLIO
Nov. 30, 2025
USD ($)
Siebert Williams Shank Shares For Participants  
Prospectus [Line Items]  
Shareholder Fee, Other $ 0
Shares [Member] | SHARES  
Prospectus [Line Items]  
Shareholder Fee, Other $ 0