v3.25.2

Portfolio Investments - Summarized Statement of Operations Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Investment Company, Nonconsolidated Subsidiary [Line Items] |  |  |  |
Total investment income | $ 75,271 | $ 94,966 | $ 239,486 | $ 286,980
Interest expense | 31,061 | 32,513 | 89,814 | 96,564
Total expenses | 47,093 | 55,101 | 141,453 | 164,559
Net investment income before taxes | 33,537 | 44,575 | 117,435 | 130,131
Net increase (decrease) in net assets resulting from operations | 38,352 | 1,120 | 9,342 | 20,992
SLF JV I |  |  |  |
Investment Company, Nonconsolidated Subsidiary [Line Items] |  |  |  |
Interest income | 7,339 | 9,463 | 22,811 | 28,665
Other income/Fee income | 13 | 0 | 19 | 159
Total investment income | 7,352 | 9,463 | 22,830 | 28,824
Other expenses | 234 | 46 | 427 | 246
Total expenses | 7,203 | 8,165 | 21,698 | 24,352
Net investment income before taxes | 149 | 1,298 | 1,132 | 4,472
Net unrealized appreciation (depreciation) | (85) | (319) | (7,016) | 1,299
Realized gain (loss) | (693) | (3,784) | (669) | (4,343)
Net increase (decrease) in net assets resulting from operations | (629) | (2,805) | (6,553) | 1,428
SLF JV I | Senior Credit Facility |  |  |  |
Investment Company, Nonconsolidated Subsidiary [Line Items] |  |  |  |
Interest expense | 3,247 | 4,071 | 9,930 | 11,910
SLF JV I | SLF JV I Notes |  |  |  |
Investment Company, Nonconsolidated Subsidiary [Line Items] |  |  |  |
Interest expense | 3,722 | 4,048 | 11,341 | 12,196
Glick JV LLC |  |  |  |
Investment Company, Nonconsolidated Subsidiary [Line Items] |  |  |  |
Interest income | 2,603 | 3,605 | 8,566 | 10,926
Other income/Fee income | 4 | 4 | 8 | 64
Total investment income | 2,607 | 3,609 | 8,574 | 10,990
Other expenses | 21 | 32 | 108 | 110
Total expenses | 2,697 | 3,338 | 8,471 | 9,766
Net investment income before taxes | (90) | 271 | 103 | 1,224
Net unrealized appreciation (depreciation) | 360 | 328 | (30) | (321)
Realized gain (loss) | (270) | (599) | (73) | (903)
Net increase (decrease) in net assets resulting from operations | 0 | 0 | 0 | 0
Glick JV LLC | Senior Credit Facility |  |  |  |
Investment Company, Nonconsolidated Subsidiary [Line Items] |  |  |  |
Interest expense | 1,170 | 1,631 | 3,754 | 4,608
Glick JV LLC | Glick JV Notes |  |  |  |
Investment Company, Nonconsolidated Subsidiary [Line Items] |  |  |  |
Interest expense | $ 1,506 | $ 1,675 | $ 4,609 | $ 5,048

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