Investor A Institutional [Member] Average Annual Total Returns - Investor A Institutional [Member] |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| ICE BofA US Municipal Securities Index (Reflects no deduction for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 3.92% | 0.81% | 2.36% |
| Investor A | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 3.44% | 0.49% | 1.96% |
| Investor A | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 3.44% | 0.48% | 1.92% |
| Investor A | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 3.31% | 0.97% | 2.09% |
| Institutional | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 3.70% | 0.74% | 2.15% |