v3.26.1
Federated Hermes Short-Term Income Fund N-1A Cover
Apr. 30, 2026
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name Federated Hermes Income Securities Trust
Entity Central Index Key 0000789281
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2026
Prospectus Date Jun. 30, 2026