v3.25.2
S000010778 [Member] N-1A Cover
Apr. 30, 2025
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name COLUMBIA FUNDS SERIES TRUST
Entity Central Index Key 0001097519
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2025
Prospectus Date Sep. 01, 2025