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Class C2 [Member] Average Annual Total Returns - Class C2
12 Months Ended 60 Months Ended 62 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 4.25% 0.80% 1.19%
Bloomberg Municipal 3 Year (2-4) Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 4.11% 1.29% 1.34%
Class C2      
Prospectus [Line Items]      
Average Annual Return, Percent 3.83% 0.83% 0.93%
Performance Inception Date     Nov. 02, 2020
Class C2 | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 3.83% 0.83% 0.93%
Class C2 | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 3.09% 0.92% 1.00%