v3.26.3
DWS Intermediate Tax-Free Fund Expense Example - Class ACIS [Member] - DWS Intermediate Tax-Free Fund
Sep. 24, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 338
Expense Example, with Redemption, 3 Years 505
Expense Example, with Redemption, 5 Years 686
Expense Example, with Redemption, 10 Years 1,212
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 241
Expense Example, with Redemption, 3 Years 477
Expense Example, with Redemption, 5 Years 837
Expense Example, with Redemption, 10 Years 1,641
INST Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 39
Expense Example, with Redemption, 3 Years 159
Expense Example, with Redemption, 5 Years 290
Expense Example, with Redemption, 10 Years 673
Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 39
Expense Example, with Redemption, 3 Years 168
Expense Example, with Redemption, 5 Years 308
Expense Example, with Redemption, 10 Years $ 718