Investor P [Member] Average Annual Total Returns - Investor P [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 P Shares | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | (0.70%) | (0.32%) | 1.55% |
| Investor P Shares | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | (0.70%) | (0.33%) | 1.50% |
| Investor P Shares | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 0.81% | 0.34% | 1.76% |