v3.26.1
Derivatives - Schedule of Effect of Offsetting Derivative Contracts (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Sep. 30, 2025
Offsetting Derivative Assets [Abstract]    
Net amounts presented in the Consolidated Statements of Financial Condition $ (3,187) $ (5,023)
Net amounts presented in the Consolidated Statements of Financial Condition 5,537 12,129
Macquarie Bank Limited    
Offsetting Derivative Assets [Abstract]    
Gross Amount of Recognized Assets 898 2,343
Gross Amount of Recognized (Liabilities) (2,251) (7,366)
Net amounts presented in the Consolidated Statements of Financial Condition (1,353) (5,023)
Collateral (Received) / Pledged 0 4,890
Net Amounts (1,353) (133)
SMBC Capital Markets, Inc.    
Offsetting Derivative Assets [Abstract]    
Gross Amount of Recognized Assets 7,071 18,250
Gross Amount of Recognized (Liabilities) (8,905) (6,121)
Net amounts presented in the Consolidated Statements of Financial Condition (1,834) 12,129
Collateral (Received) / Pledged 0 0
Net Amounts (1,834) $ 12,129
Wells Fargo Bank, N.A.    
Offsetting Derivative Assets [Abstract]    
Gross Amount of Recognized Assets 2,300  
Gross Amount of Recognized (Liabilities) 0  
Net amounts presented in the Consolidated Statements of Financial Condition 2,300  
Collateral (Received) / Pledged 0  
Net Amounts 2,300  
Regions Bank    
Offsetting Derivative Assets [Abstract]    
Gross Amount of Recognized Assets 687  
Gross Amount of Recognized (Liabilities) 0  
Net amounts presented in the Consolidated Statements of Financial Condition 687  
Collateral (Received) / Pledged 0  
Net Amounts 687  
Morgan Stanley Capital Services, LLC    
Offsetting Derivative Assets [Abstract]    
Gross Amount of Recognized Assets 2,550  
Gross Amount of Recognized (Liabilities) 0  
Net amounts presented in the Consolidated Statements of Financial Condition 2,550  
Collateral (Received) / Pledged 0  
Net Amounts $ 2,550