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Label Element Value
Prospectus [Line Items] rr_ProspectusLineItems  
Document Type dei_DocumentType 497
Document Period End Date dei_DocumentPeriodEndDate Sep. 30, 2019
Entity Registrant Name dei_EntityRegistrantName TRUST FOR PROFESSIONAL MANAGERS
Entity Central Index Key dei_EntityCentralIndexKey 0001141819
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Oct. 31, 2019
Document Effective Date dei_DocumentEffectiveDate Nov. 01, 2019
Prospectus Date rr_ProspectusDate Jan. 28, 2019
Entity Inv Company Type dei_EntityInvCompanyType N-1A
CrossingBridge Low Duration High Yield Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading CrossingBridge Low Duration High Yield Fund
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
Supplement dated November 1, 2019
to
CrossingBridge Low Duration High Yield Fund Prospectus
dated January 28, 2019, as supplemented on May 7, 2019

Effective as of November 1, 2019, CrossingBridge Advisors, LLC (the “Adviser”), the investment adviser to the CrossingBridge Low Duration High Yield Fund (the “Fund”), has contractually agreed, pursuant to an operating expense limitation agreement between the Adviser and the Fund, to reduce the Fund’s operating expense limit by 0.10% so that Total Annual Fund Operating Expenses, excluding Distribution (12b-1) Fees, Other Expenses (such as Shareholder Servicing Plan Fees), and Acquired Fund Fees & Expenses, do not exceed 0.80% of the Fund’s average daily net assets through at least October 31, 2021.  Institutional Class shares are subject to a Shareholder Servicing Plan Fee of 0.10% and Acquired Fund Fees and Expenses of the Fund’s average daily net assets, and are not subject to a Distribution (12b-1) Fee. Investor Class shares are subject to an annual Distribution (12b-1) Fee of 0.25%, a Shareholder Servicing Plan Fee of 0.10% and Acquired Fund Fees and Expenses of the Fund’s average daily net assets.

Accordingly, the following sections of the Prospectus are hereby deleted and replaced with the following:

Prospectus – Summary Section - CrossingBridge Low Duration High Yield Fund
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock
This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination October 31, 2021
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock
This Example is intended to help you compare the costs 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 remain the same. The operating expense limitation discussed in the table above is reflected only through October 31, 2021.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption Although your actual costs may be higher or lower, based on these assumptions, your costs would be:
Supplement Closing [Text Block] ck0001141819_SupplementClosingTextBlock
Please retain this supplement with your Prospectus
CrossingBridge Low Duration High Yield Fund | CrossingBridge Low Duration High Yield Fund - Institutional Class Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol CBLDX
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.65%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Component1 Other Expenses rr_Component1OtherExpensesOverAssets 0.10% [1]
Component2 Other Expenses rr_Component2OtherExpensesOverAssets 1.15%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 1.26%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.91%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (1.00%)
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.91% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 93
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 400
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 840
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,064
CrossingBridge Low Duration High Yield Fund | CrossingBridge Low Duration High Yield Fund - Investor Class Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol CBLVX
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.65%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Component1 Other Expenses rr_Component1OtherExpensesOverAssets 0.10% [1]
Component2 Other Expenses rr_Component2OtherExpensesOverAssets 1.15%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 1.26%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 2.16%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (1.00%)
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.16% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 118
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 477
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 970
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,330
[1] The Trust’s Board of Trustees (the “Board of Trustees”) has authorized a shareholder servicing plan fee in the amount of 0.15% of the Fund’s average daily net assets. Currently, the shareholder servicing plan fee being charged is 0.10% of the Fund’s average daily net assets; however, the fee may be increased to 0.15% of the Fund’s average daily net assets at any time.
[2] Pursuant to an operating expense limitation agreement between CrossingBridge Advisors, LLC (the “Adviser”), the Fund’s investment adviser, and the Fund, the Adviser has agreed to waive its management fees and/or reimburse Fund expenses to ensure that Total Annual Fund Operating Expenses (exclusive of front-end or contingent deferred loads, Rule 12b-1 plan fees, shareholder servicing plan fees, leverage (i.e., any expenses incurred in connection with borrowings made by the Fund) interest (including interest incurred in connection with bank and custody overdrafts), brokerage commissions and other transactional expenses, expenses incurred in connection with any merger or reorganization, dividends or interest on short positions, acquired fund fees and expenses or extraordinary expenses such as litigation (collectively “Excluded Expenses”)) do not exceed 0.80% of the Fund’s average annual net assets, through at least October 31, 2021. To the extent the Fund incurs Excluded Expenses, Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement may be greater than 0.80%. The operating expense limitation agreement can be terminated only by, or with the consent of, the Board of Trustees. The Adviser may request recoupment of previously waived fees and paid expenses from the Fund up to three years from the date such fees and expenses were waived or paid, subject to the operating expense limitation agreement, if such reimbursement will not cause the Fund’s expense ratio, after recoupment has been taken into account, to exceed the lesser of: (1) the expense limitation in place at the time of the waiver and/or expense payment; or (2) the expense limitation in place at the time of the recoupment.