S000001250 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Bloomberg U.S. 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 California Intermediate Municipal Bond Index (reflects no deduction for fees, expenses, or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 5.73% | 0.91% | 2.09% |
| CALIFORNIA INTERMEDIATE TAX-EXEMPT FUND | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.90% | 0.49% | 1.79% |
| CALIFORNIA INTERMEDIATE TAX-EXEMPT FUND | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.86% | 0.45% | 1.72% |
| CALIFORNIA INTERMEDIATE TAX-EXEMPT FUND | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.01% | 0.88% | 1.89% |