S000000597 [Member] Expense Example, No Redemption - Nuveen Kentucky Municipal Bond Fund |
May 31, 2025
USD ($)
|
|---|---|
| Class A | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 530 |
| Expense Example, No Redemption, 3 Years | 764 |
| Expense Example, No Redemption, 5 Years | 1,016 |
| Expense Example, No Redemption, 10 Years | 1,737 |
| Class C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 196 |
| Expense Example, No Redemption, 3 Years | 606 |
| Expense Example, No Redemption, 5 Years | 1,042 |
| Expense Example, No Redemption, 10 Years | 2,254 |
| Class I | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 95 |
| Expense Example, No Redemption, 3 Years | 296 |
| Expense Example, No Redemption, 5 Years | 515 |
| Expense Example, No Redemption, 10 Years | $ 1,143 |