v3.25.2
Shareholder Report, Line Graph (Details) - USD ($)
12 Months Ended 24 Months Ended 36 Months Ended 48 Months Ended 60 Months Ended 72 Months Ended 84 Months Ended 96 Months Ended 108 Months Ended 120 Months Ended
May 31, 2015
May 31, 2025
May 31, 2016
May 31, 2017
May 31, 2018
May 31, 2019
May 31, 2020
May 31, 2021
May 31, 2022
May 31, 2023
May 31, 2024
May 31, 2025
C000193017 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   California Municipal Bond Fund (Class R6/JCSRX)                    
Accumulated Value $ 1,000,000   $ 1,066,251.99 $ 1,072,916.544751 $ 1,093,213.228903 $ 1,156,167.672763 $ 1,172,409.504668 $ 1,253,709.807978 $ 1,190,021.161676 $ 1,185,532.687459 $ 1,245,131.051693 $ 1,245,968.999988
C000001742 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   California Municipal Bond Fund (Class A/TACAX)                    
Accumulated Value 9,600   10,236.0192 10,299.998824 10,490.712366 11,074.716056 11,210.322742 11,955.114837 11,326.301739 11,264.12408 11,811.308194 11,794.625784
C000001744 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   California Municipal Bond Fund (Class C/TCCAX)                    
Accumulated Value 10,000   10,583.2443 10,569.958624 10,685.273702 11,196.079578 11,248.660398 11,906.38307 11,195.642248 11,050.672563 11,500.962937 11,399.032318
C000178768 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   California Municipal Bond Fund (Class I/JCAFX)                    
Accumulated Value 250,000   266,563 268,570.509944 273,673.916317 289,340.839429 293,321.903186 313,561.645418 297,539.247375 296,056.079685 311,220.951373 311,258.027125
Bloomberg Municipal Bond C000193017 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,058,712.07 1,074,160.161298 1,086,126.595518 1,155,684.999208 1,201,659.23482 1,258,562.221695 1,173,055.038685 1,178,807.008492 1,210,314.303672 1,234,855.556332
Bloomberg Municipal Bond C000178768 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 250,000   264,678.0175 268,540.040325 271,531.64888 288,921.249803 300,414.808706 314,640.555425 293,263.759672 294,701.752124 302,578.575919 308,713.889084
Bloomberg Municipal Bond Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Bloomberg Municipal Bond Index                    
Accumulated Value 10,000   10,587.1207 10,741.601613 10,861.265955 11,556.849992 12,016.592348 12,585.622217 11,730.550387 11,788.070085 12,103.143037 12,348.555564
Bloomberg California Municipal Bond C000193017 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,059,388.86 1,071,556.184717 1,086,865.45435 1,153,123.467874 1,206,038.135943 1,250,880.659981 1,164,533.606394 1,174,790.771818 1,205,691.340481 1,226,299.402694
Bloomberg California Municipal Bond C000178768 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 250,000   264,847.215 267,889.046179 271,716.363587 288,280.866968 301,509.533985 312,720.164995 291,133.401598 293,697.692954 301,422.83512 306,574.850673
Bloomberg California Municipal Bond Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Bloomberg California Municipal Bond Index                    
Accumulated Value $ 10,000   $ 10,593.8886 $ 10,715.561847 $ 10,868.654543 $ 11,531.234678 $ 12,060.381359 $ 12,508.806599 $ 11,645.336063 $ 11,747.907717 $ 12,056.913404 $ 12,262.994026