Consolidated Statements of Changes in Net Assets - USD ($) shares in Thousands, $ in Thousands |
3 Months Ended | 9 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Dec. 31, 2023 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Sep. 30, 2024 |
Sep. 30, 2023 |
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| Operations: | ||||||||||
| Net investment income | $ 33,481 | $ 39,055 | $ 44,302 | $ 44,575 | $ 41,367 | $ 44,189 | $ 116,838 | $ 130,131 | ||
| Net unrealized appreciation (depreciation) | 18,572 | 26,199 | (83,065) | (24,078) | ||||||
| Net realized gains (losses) | (13,432) | (69,452) | (24,037) | (84,508) | ||||||
| (Provision) benefit for taxes on realized and unrealized gains (losses) | (269) | 14 | (139) | (202) | (175) | (176) | (394) | (553) | ||
| Net increase (decrease) in net assets resulting from operations | 38,352 | 1,120 | 9,342 | 20,992 | ||||||
| Stockholder transactions: | ||||||||||
| Net increase (decrease) in net assets from stockholder transactions | (36,996) | (41,400) | (45,235) | (45,180) | (44,715) | (48,897) | (123,631) | (138,792) | ||
| Capital share transactions: | ||||||||||
| Issuance of common stock under dividend reinvestment plan | 3,751 | 4,289 | 1,455 | 1,873 | 1,853 | 1,936 | 9,495 | 5,662 | ||
| Repurchase of common stock under dividend reinvestment plan | (3,751) | 0 | (9,495) | 0 | ||||||
| Issuance of common stock in private placement | 0 | 100,000 | 0 | 100,000 | 0 | |||||
| Issuance of common stock in connection with the "at the market" offering | 0 | 2,947 | 14,221 | 45,973 | 32,313 | 2,947 | 92,507 | |||
| Net increase (decrease) in net assets from capital share transactions | 0 | 16,094 | 102,947 | 98,169 | ||||||
| Total increase (decrease) in net assets | 1,356 | (27,966) | (11,342) | (19,631) | ||||||
| Net assets at beginning of period | 1,475,113 | 1,449,815 | 1,487,811 | 1,524,099 | 1,511,651 | 1,515,764 | 1,487,811 | 1,515,764 | ||
| Net assets at end of period | $ 1,476,469 | $ 1,475,113 | $ 1,449,815 | $ 1,496,133 | $ 1,524,099 | $ 1,511,651 | $ 1,476,469 | $ 1,496,133 | ||
| Net asset value per common share (in dollars per share) | $ 16.76 | $ 16.75 | $ 18.19 | $ 18.72 | $ 16.76 | $ 18.19 | $ 18.09 | $ 19.63 | ||
| Common shares outstanding at end of period (in shares) | 88,086 | 88,086 | 82,245 | 81,396 | 88,086 | 82,245 | 82,245 | 77,225 | ||
| X | ||||||||||
- Definition Investment Company, Capital Share Transactions, Increase (Decrease) No definition available.
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- Definition Investment Company, Shareholder Transactions, Increase (Decrease) No definition available.
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- Definition Stock Issued During Period, Value, Private Placement No definition available.
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- References No definition available.
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- Definition Amount, after expense and tax, of investment income classified as operating. Excludes realized and unrealized gain (loss) on investment. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Net asset value per share or per unit of investments in certain entities that calculate net asset value per share. Includes, but is not limited to, by unit, membership interest, or other ownership interest. Investment includes, but is not limited to, investment in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds. Excludes fair value disclosure. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Amount of income tax expense (benefit) from realized and unrealized gain (loss) on investment and derivative, classified as operating. Investment includes, but is not limited to, debt and equity securities, security sold short, real estate, and commodity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before tax, of realized gain (loss) on investment and derivative, classified as operating. Investment includes, but is not limited to, debt and equity securities, security sold short, real estate, and commodity. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Value of stock issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the holder of the stock to reinvest dividends paid to them by the entity on new issues of stock by the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The increase (decrease) in stockholders' equity during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before tax, of unrealized gain (loss) from investment and derivative, classified as operating. Investment includes, but is not limited to, debt and equity securities, security sold short, real estate, and commodity. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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