Annual Fund Operating Expenses - abrdn Ultra Short Municipal Income Fund |
Mar. 06, 2026 |
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|---|---|---|---|---|---|---|
| Prospectus [Line Items] | ||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | Feb. 28, 2027 | |||||
| Class A | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.30% | [1] | ||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||
| Other Expenses (as a percentage of Assets): | 0.29% | |||||
| Expenses (as a percentage of Assets) | 0.84% | |||||
| Fee Waiver or Reimbursement | (0.14%) | [2] | ||||
| Net Expenses (as a percentage of Assets) | 0.70% | |||||
| Class A1 | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.30% | [1] | ||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||
| Other Expenses (as a percentage of Assets): | 0.19% | |||||
| Expenses (as a percentage of Assets) | 0.74% | |||||
| Fee Waiver or Reimbursement | (0.04%) | [2] | ||||
| Net Expenses (as a percentage of Assets) | 0.70% | |||||
| Institutional Class | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.30% | [1] | ||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Other Expenses (as a percentage of Assets): | 0.27% | |||||
| Expenses (as a percentage of Assets) | 0.57% | |||||
| Fee Waiver or Reimbursement | (0.12%) | [2] | ||||
| Net Expenses (as a percentage of Assets) | 0.45% | |||||
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