S000000597 [Member] Expense Example - Nuveen Kentucky Municipal Bond Fund |
May 31, 2026
USD ($)
|
|---|---|
| Class A | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 533 |
| Expense Example, with Redemption, 3 Years | 773 |
| Expense Example, with Redemption, 5 Years | 1,031 |
| Expense Example, with Redemption, 10 Years | 1,770 |
| Class C | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 199 |
| Expense Example, with Redemption, 3 Years | 615 |
| Expense Example, with Redemption, 5 Years | 1,057 |
| Expense Example, with Redemption, 10 Years | 2,285 |
| Class I | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 98 |
| Expense Example, with Redemption, 3 Years | 306 |
| Expense Example, with Redemption, 5 Years | 531 |
| Expense Example, with Redemption, 10 Years | $ 1,178 |