v3.26.1
Expense Example - Federated Hermes Sustainable High Yield Bond Fund Inc.
Mar. 31, 2026
USD ($)
A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 550
Expense Example, with Redemption, 3 Years 763
Expense Example, with Redemption, 5 Years 993
Expense Example, with Redemption, 10 Years 1,653
C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 282
Expense Example, with Redemption, 3 Years 563
Expense Example, with Redemption, 5 Years 970
Expense Example, with Redemption, 10 Years 1,905
IS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 81
Expense Example, with Redemption, 3 Years 252
Expense Example, with Redemption, 5 Years 439
Expense Example, with Redemption, 10 Years 978
R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 73
Expense Example, with Redemption, 3 Years 227
Expense Example, with Redemption, 5 Years 395
Expense Example, with Redemption, 10 Years $ 883