S000005562 [Member] Expense Example, No Redemption - Nuveen Oregon Intermediate Municipal Bond Fund |
May 31, 2025
USD ($)
|
|---|---|
| Class A | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 382 |
| Expense Example, No Redemption, 3 Years | 557 |
| Expense Example, No Redemption, 5 Years | 747 |
| Expense Example, No Redemption, 10 Years | 1,295 |
| Class I | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 64 |
| Expense Example, No Redemption, 3 Years | 202 |
| Expense Example, No Redemption, 5 Years | 351 |
| Expense Example, No Redemption, 10 Years | 786 |
| Class C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 166 |
| Expense Example, No Redemption, 3 Years | 514 |
| Expense Example, No Redemption, 5 Years | 887 |
| Expense Example, No Redemption, 10 Years | $ 1,933 |