v3.25.0.1
Derivatives - Schedule of Forward Currency Contract, Fair Value (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Sep. 30, 2024
Offsetting Derivative Assets [Abstract]    
Net amounts presented in the Consolidated Statements of Financial Condition $ 12,486 $ 29,490
Collateral (received) pledged 11,430 650
Offsetting Derivative Liabilities [Abstract]    
Net amounts presented in the Consolidated Statements of Financial Condition (2,906) 0
Macquarie Bank Limited    
Offsetting Derivative Assets [Abstract]    
Gross Amount of Recognized Assets 14,125 5,695
Gross Amount of Recognized (Liabilities) (1,639) (5,469)
Net amounts presented in the Consolidated Statements of Financial Condition 12,486 226
Collateral (received) pledged 0 0
Net Amounts 12,486 226
SMBC Capital Markets, Inc.    
Offsetting Derivative Assets [Abstract]    
Gross Amount of Recognized Assets 5,858 31,486
Gross Amount of Recognized (Liabilities) (8,764) (2,222)
Net amounts presented in the Consolidated Statements of Financial Condition   29,264
Collateral (received) pledged   0
Net Amounts   $ 29,264
Offsetting Derivative Liabilities [Abstract]    
Net amounts presented in the Consolidated Statements of Financial Condition (2,906)  
Collateral (Received) Pledged 2,906  
Net Amounts $ 0