INCOME TAXES (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
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| Income Tax Disclosure [Abstract] | |||||
| Excise and sales taxes | $ 0.7 | $ 1.3 | $ 2.6 | $ 2.5 | |
| Cost of investments, income tax purposes | 2,566.8 | 2,566.8 | $ 2,438.9 | ||
| Unrealized depreciation | 52.8 | 52.8 | 30.3 | ||
| Unrealized gross appreciation | 107.8 | 107.8 | 118.3 | ||
| Unrealized gross depreciation | 160.6 | 160.6 | 148.6 | ||
| Net deferred tax asset | 3.2 | 3.2 | 3.4 | ||
| Net deferred tax assets, valuation allowance | $ 5.0 | $ 5.0 | $ 5.1 | ||
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of excise and sales taxes included in sales and revenues, which are then deducted as a cost of sales. Includes excise taxes, which are applied to specific types of transactions or items (such as gasoline or alcohol); and sales, use and value added taxes, which are applied to a broad class of revenue-producing transactions involving a wide range of goods and services. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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- Definition Amount of cost of investment for federal income tax purpose. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cumulative increase in investment from unrealized gain when value exceeds cost for federal income tax purpose. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cumulative decrease in investment from unrealized loss when cost for federal income tax purpose exceeds value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cumulative increase (decrease) in investment from unrealized gain (loss) when value exceeds (is less than) cost for federal income tax purpose. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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