S000012096 [Member] Shareholder Fees - Columbia Select Corporate Income Fund

Apr. 30, 2026

Columbia Select Corporate Income Fund Institutional 2 Class

Prospectus [Line Items]

Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)

0.00%

Maximum Deferred Sales Charge (as a percentage)

0.00%

Columbia Select Corporate Income Fund Class S

Prospectus [Line Items]

Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)

0.00%

Maximum Deferred Sales Charge (as a percentage)

0.00%

Columbia Select Corporate Income Fund Class A

Prospectus [Line Items]

Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)

4.75%

Maximum Deferred Sales Charge (as a percentage)

1.00%

^[1]

Columbia Select Corporate Income Fund Institutional Class

Prospectus [Line Items]

Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)

0.00%

Maximum Deferred Sales Charge (as a percentage)

0.00%

Columbia Select Corporate Income Fund Institutional 3 Class

Prospectus [Line Items]

Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)

0.00%

Maximum Deferred Sales Charge (as a percentage)

0.00%

[1]	This charge is imposed on certain investments of between $1 million and $50 million redeemed within 18 months after purchase, as follows: 1.00% if redeemed within 12 months after purchase, and 0.50% if redeemed more than 12, but less than 18, months after purchase, with certain limited exceptions.