InvestorA 1 [Member] Average Annual Total Returns - Investor A1 |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Bloomberg Municipal Bond Index (Reflects no deduction for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.25% | 0.80% | 2.34% |
| Bloomberg Municipal 1-5 Year Index (Reflects no deduction for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.11% | 1.36% | 1.67% |
| Investor A1 | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 5.04% | 1.85% | 1.48% |
| Investor A1 | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 5.04% | 1.85% | 1.48% |
| Investor A1 | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.40% | 1.93% | 1.51% |