v3.25.4
Investments - Consolidated Statements of Operations for PSLF (Details) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Expenses:      
Interest expense on subordinated notes to members $ 41,315 $ 45,188 $ 39,408
General and administrative expenses 4,300 4,874 3,837
Expenses before debt issuance costs 73,412 81,146 75,538
Debt issuance costs 1,755 1,755 1,780
Total expenses 76,326 83,748 79,833
Net investment income 46,051 60,070 65,533
Realized and change in unrealized gain (loss) on investments and debt:      
Net realized gain (loss) on investments (52,434) (33,647) (156,757)
Net realized (gain) loss on debt extinguishment 0 0 $ (289)
PSLF      
Investment income:      
Interest 138,501 114,231  
Other income 1,875 1,023  
Total investment income 140,376 115,254  
Expenses:      
Interest expense on credit facility and asset-backed debt 67,975 54,405  
Interest expense on subordinated notes to members 30,436 24,861  
Administration fees 3,457 2,423  
General and administrative expenses 1,494 1,360  
Expenses before debt issuance costs 103,362 83,049  
Debt issuance costs 250 0  
Total expenses 103,612 83,049  
Net investment income 36,764 32,205  
Realized and change in unrealized gain (loss) on investments and debt:      
Net realized gain (loss) on investments (9,215) (2,838)  
Net realized (gain) loss on debt extinguishment (187) 0  
Net change in unrealized appreciation (depreciation) on Investments (18,344) 1,462  
Net realized and unrealized gain (loss) on investments (27,746) (1,376)  
Net increase (decrease) in members' equity resulting from operations $ 9,018 $ 30,829