Shareholder Report, Line Graph (Details) 74200001100_Franklin California Intermediate-Term Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class} - USD ($) |
12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2026 |
|
| Advisor Class | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Advisor Class | ||||||||||
| Accumulated Value | $ 11,061 | $ 10,882 | $ 10,527 | $ 10,267 | $ 11,101 | $ 10,796 | $ 10,493 | $ 9,979 | $ 9,892 | $ 10,000 | $ 11,714 |
| Bloomberg Municipal Bond Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Bloomberg Municipal Bond Index | ||||||||||
| Accumulated Value | 11,553 | 11,425 | 11,070 | 10,728 | 11,734 | 11,264 | 10,785 | 10,107 | 9,951 | 10,000 | $ 12,365 |
| Bloomberg Municipal M.F. CA Intermediate Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Bloomberg Municipal M.F. CA Intermediate Index | ||||||||||
| Accumulated Value | $ 11,433 | $ 11,057 | $ 10,878 | $ 10,582 | $ 11,358 | $ 11,145 | $ 10,666 | $ 10,041 | $ 9,982 | $ 10,000 | $ 11,981 |