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JPMorgan New York Tax Free Bond Fund Annual Total Returns
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
R6 Shares [Member] | JPMorgan New York Tax Free Bond Fund | Class R6                    
Prospectus [Line Items]                    
Annual Return [Percent] 1.62% 4.94% (5.76%) 0.70% 3.88% 5.98% 0.93% 2.99% (0.10%) 2.10%