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Investments - Consolidated Statements of Operations for PSSL (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Expenses: |  |
Interest expense on notes to members | $ 22,361 | $ 8,942
Administration fees | 1,200 | 988
Total expenses | 37,042 | 18,524
Net investment income | 29,967 | 19,449
Realized and unrealized gain (loss) on investments and debt: |  |
Net change in unrealized appreciation (depreciation) on investments | (28,239) | 6,109
Net realized and unrealized gain (loss) on investments | (1,638) | 3,020
Net realized gain (loss) on: |  |
Net increase (decrease) in members' equity resulting from operations | 28,329 | 22,469
PennantPark Senior Secured Loan Fund I LLC |  |
Investment income: |  |
Interest Income | 29,425 | 26,048
Other income | 583 | 177
Total investment income | 30,008 | 26,225
Expenses: |  |
Interest and expenses on credit facility and asset-backed debt | 14,085 | 13,398
Interest expense on notes to members | 8,853 | 8,220
Administration fees | 668 | 558
General and administrative expenses | 493 | 262
Total expenses | 24,099 | 22,438
Net investment income | 5,909 | 3,787
Realized and unrealized gain (loss) on investments and debt: |  |
Net realized gain (loss) on Investments | 1,333 | (6,420)
Net change in unrealized appreciation (depreciation) on investments | (10,890) | 8,059
Net realized and unrealized gain (loss) on investments | (9,557) | 1,639
Net realized gain (loss) on: |  |
Net increase (decrease) in members' equity resulting from operations | $ (3,648) | $ 5,426

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