Fees and Expenses - Classes ACS [Member] - DWS Massachusetts Tax-Free Fund |
Mar. 31, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Heading [Optional Text] | <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Fees and Expenses</span> |
| Expense Narrative [Text Block] | These are the fees and expenses you may pay when you buy, hold and sell shares. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.You may qualify for sales charge discounts in Class A shares if you and your immediate family invest, or agree to invest in the future, at least $100,000 in DWS funds. More information about these and other discounts and waivers is available from your financial representative and in Choosing a Share Class (p. 16), Sales Charge Waivers and Discounts Available Through Intermediaries (Appendix B, p. 42) and Purchase and Redemption of Shares in the fund’s Statement of Additional Information (SAI) (p. II-15). |
| Expense Breakpoint Discounts [Text] | <span style="color:#000000;font-family:Arial;font-size:10pt;">You may qualify for sales charge discounts in Class A shares if you and your immediate family invest, or agree to invest in the future, at least </span><span style="color:#000000;font-family:Arial;font-size:10pt;">$100,000 </span><span style="color:#000000;font-family:Arial;font-size:10pt;"> in DWS funds.</span> |
| Expense Breakpoint, Minimum Investment Required [Amount] | $ 100,000 |
| Shareholder Fees Caption [Optional Text] | <span style="color:#000000;font-family:Arial;font-size:10pt;text-transform:uppercase;">SHAREHOLDER FEES </span><span style="color:#000000;font-family:Arial;font-size:8pt;">(paid directly from your investment)</span> |
| Operating Expenses Caption [Optional Text] | <span style="color:#000000;font-family:Arial;font-size:10pt;text-transform:uppercase;">ANNUAL FUND OPERATING EXPENSES </span> <br/><span style="color:#000000;font-family:Arial;font-size:8pt;">(expenses that you pay each year as a % of the value of your investment)</span> |
| Expense Footnotes [Text Block] | The Advisor has contractually agreed through July 31, 2026to waive its fees and/or reimburse fund expenses to the extent necessary to maintain the fund’s total annual operating expenses (excluding certain expenses such as extraordinary expenses, taxes, brokerage, interest expense and acquired fund fees and expenses) at ratios no higher than 0.84%, 1.59%, 0.59% and 0.59% for Class A, Class C, Institutional Class and Class S, respectively. The agreement may only be terminated with the consent of the fund’s Board. |
| Expenses Deferred Charges [Text Block] | Investments of $250,000 or more may be eligible to buy Class A shares without a sales charge (load), but may be subject to a contingent deferred sales charge of 1.00% if redeemed within 12 months of the original purchase date. |
| Expense Example [Heading] | <span style="color:#000000;font-family:Arial;font-size:10pt;text-transform:uppercase;">EXAMPLE</span> |
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the fund's operating expenses (including one year of capped expenses in each period) remain the same. Class C shares generally convert automatically to Class A shares after 8 years. The information presented in the Example for Class C reflects the conversion of Class C shares to Class A shares after 8 years. See “Class C Shares” in the “Choosing a Share Class” section of the prospectus for more information. Although your actual costs may be higher or lower, based on these assumptions your costs would be: |
| Expense Example, No Redemption Narrative [Text Block] | You would pay the following expenses if you did not redeem your shares: |
| Portfolio Turnover [Heading] | <span style="color:#000000;font-family:Arial;font-size:10pt;text-transform:uppercase;">PORTFOLIO TURNOVER </span> |
| Portfolio Turnover [Text Block] | The fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may mean higher taxes if you are investing in a taxable account. These costs are not reflected in annual fund operating expenses or in the expense example, and can affect the fund's performance. During the most recent fiscal year, the fund’s portfolio turnover rate was 32% of the average value of its portfolio. |
| Portfolio Turnover, Rate | 32.00% |