S000005562 [Member] Expense Example, No Redemption - Nuveen Oregon Intermediate Municipal Bond Fund |
May 31, 2026
USD ($)
|
|---|---|
| Class A | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 379 |
| Expense Example, No Redemption, 3 Years | 549 |
| Expense Example, No Redemption, 5 Years | 734 |
| Expense Example, No Redemption, 10 Years | 1,270 |
| Class I | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 61 |
| Expense Example, No Redemption, 3 Years | 193 |
| Expense Example, No Redemption, 5 Years | 338 |
| Expense Example, No Redemption, 10 Years | 760 |
| Nuveen Oregon Intermediate Municipal Bond Fund Class C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 163 |
| Expense Example, No Redemption, 3 Years | 506 |
| Expense Example, No Redemption, 5 Years | 874 |
| Expense Example, No Redemption, 10 Years | $ 1,909 |