v3.26.1
S000091548 [Member] Annual Fund Operating Expenses - S000091548 [Member]
Mar. 31, 2026
Prospectus [Line Items]  
Fee Waiver or Reimbursement over Assets, Date of Termination July 31, 2027
C000259219 [Member]  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.64%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.10% [1]
Expenses (as a percentage of Assets) 0.74%
Fee Waiver or Reimbursement (0.02%) [2]
Net Expenses (as a percentage of Assets) 0.72%
[1] Other expenses have been restated to reflect current fees paid by the Fund.
[2] Columbia Management Investment Advisers, LLC and certain of its affiliates have contractually agreed to waive fees and/or to reimburse expenses (excluding transaction costs and certain other investment related expenses, interest, taxes, acquired fund fees and expenses, and infrequent and/or unusual expenses) through July 31, 2027, unless sooner terminated at the sole discretion of the Fund’s Board of Trustees. Under this agreement, the Fund’s net operating expenses, subject to applicable exclusions, will not exceed the annual rate of 0.72% for Class Inst. Any difference in the annual rate relative to the annual rate noted in the last row of the above table (e.g., net expense ratio) is due to applicable exclusions under the agreement.