S000016628 [Member] Average Annual Total Returns

12 Months Ended

60 Months Ended

82 Months Ended

120 Months Ended

Dec. 31, 2024

Dec. 31, 2024

Dec. 31, 2024

Dec. 31, 2024

Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses or taxes)

Prospectus [Line Items]

Average Annual Return, Percent

^[1]

1.05%

0.99%

2.25%

Class C

Prospectus [Line Items]

Average Annual Return, Percent

0.70%

0.52%

1.55%

Class I

Prospectus [Line Items]

Average Annual Return, Percent

2.44%

1.25%

2.27%

Class IS

Prospectus [Line Items]

Average Annual Return, Percent

2.48%

1.29%

2.32%

Performance Inception Date

Mar. 16, 2018

Class 1

Prospectus [Line Items]

Average Annual Return, Percent

2.39%

1.21%

2.25%

Class A

Prospectus [Line Items]

Average Annual Return, Percent

(1.53%)

0.20%

1.67%

Class A | After Taxes on Distributions

Prospectus [Line Items]

Average Annual Return, Percent

(1.53%)

0.20%

1.67%

Class A | After Taxes on Distributions and Sales

Prospectus [Line Items]

Average Annual Return, Percent

0.41%

0.81%

2.02%

[1]	For Class IS shares, for the period from the class’ inception date to December 31, 2024, the average annual total return of the Bloomberg Municipal Bond Index was 2.21%.