Load [Member] Annual Fund Operating Expenses - Kentucky Tax-Free Income Series - Kentucky Tax-Free Income Series |
Jun. 30, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.40% |
| Distribution and Service (12b-1) Fees | 0.00% |
| Other Expenses (as a percentage of Assets): | 0.20% |
| Expenses (as a percentage of Assets) | 0.60% |