XML 63 R53.htm IDEA: XBRL DOCUMENT v3.25.3
Consolidation - Narrative (Details)
 3 Months Ended 9 Months Ended
Sep. 30, 2025
USD ($)
vIE
Jun. 30, 2025
vIE
Sep. 30, 2024
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Variable Interest Entities [Line Items]            
Fee waivers $ 112,400,000   $ 110,300,000 $ 323,700,000 $ 321,600,000  
Other current liabilities 10,494,000     10,494,000   $ 15,418,000
Other current assets $ 11,490,000     11,490,000   4,796,000
Variable Interest Entity, Primary Beneficiary            
Variable Interest Entities [Line Items]            
Number of VIEs consolidated | vIE 4 2        
Other current assets $ 400,000     400,000   1,200,000
Variable Interest Entity, Primary Beneficiary | Foreign Currency Forward            
Variable Interest Entities [Line Items]            
Derivative asset 8,600,000     8,600,000   35,700,000
Derivative liability 8,700,000     8,700,000   35,600,000
Other current liabilities 100,000     100,000    
Other current assets           100,000
Variable Interest Entity Not Primary Beneficiary            
Variable Interest Entities [Line Items]            
AUM for non-consolidated Federated Hermes Funds 13,600,000,000     13,600,000,000   10,000,000,000.0
Cash and Cash Equivalents | Variable Interest Entity Not Primary Beneficiary | Affiliates            
Variable Interest Entities [Line Items]            
Federated Hermes' maximum risk of loss 173,700,000     173,700,000   161,100,000
Accounts Receivable | Variable Interest Entity Not Primary Beneficiary            
Variable Interest Entities [Line Items]            
Federated Hermes' maximum risk of loss 2,200,000     2,200,000   $ 1,700,000
Financial Support, Fee Waivers            
Variable Interest Entities [Line Items]            
Money market funds which meet the scope exception of the consolidation guidance $ 83,600,000   $ 83,300,000 241,000,000.0 241,800,000  
Financial Support, Capital Contributions            
Variable Interest Entities [Line Items]            
Money market funds which meet the scope exception of the consolidation guidance       $ 0 $ 0