v3.26.3
Annual Fund Operating Expenses
May 31, 2026
Amana Income Fund | Investor Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.71%
Distribution or Similar (Non 12b-1) Fees 0.25%
Other Expenses (as a percentage of Assets): 0.03%
Expenses (as a percentage of Assets) 0.99%
Amana Income Fund | Institutional Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.71%
Distribution or Similar (Non 12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.04%
Expenses (as a percentage of Assets) 0.75%
Amana Growth Fund | Investor Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.58%
Distribution or Similar (Non 12b-1) Fees 0.25%
Other Expenses (as a percentage of Assets): 0.03%
Expenses (as a percentage of Assets) 0.86%
Amana Growth Fund | Institutional Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.58%
Distribution or Similar (Non 12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.03%
Expenses (as a percentage of Assets) 0.61%
Amana Developing World Fund | Investor Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.80%
Distribution or Similar (Non 12b-1) Fees 0.25%
Other Expenses (as a percentage of Assets): 0.15%
Expenses (as a percentage of Assets) 1.20%
Amana Developing World Fund | Institutional Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.80%
Distribution or Similar (Non 12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.18%
Expenses (as a percentage of Assets) 0.98%
Amana Participation Fund | Investor Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.50% [1]
Distribution or Similar (Non 12b-1) Fees 0.25% [1]
Other Expenses (as a percentage of Assets): 0.06% [1]
Expenses (as a percentage of Assets) 0.81% [1]
Amana Participation Fund | Institutional Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.50% [1]
Distribution or Similar (Non 12b-1) Fees 0.00% [1]
Other Expenses (as a percentage of Assets): 0.07% [1]
Expenses (as a percentage of Assets) 0.57% [1]
[1] Annual Fund Operating Expenses include all fees and expenses related to the Fund’s wholly-owned and controlled subsidiary.