Income Taxes - Additional Information (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Income Tax Disclosure [Abstract] | |||
| Provision for federal income tax | $ 0 | ||
| Short-term capital loss carryforwards | 0 | $ 0 | |
| Long-term capital loss carryforwards | 84,959,000 | 83,155,000 | |
| Tax expense for taxable subsidiaries | 141,000 | (4,000) | $ 321,000 |
| Estimated cost basis of investment for U.S. federal income tax purposes | 386,264,000 | 493,305,000 | |
| Estimated net unrealized loss | 51,409,000 | 36,258,000 | |
| Estimated gross unrealized gains | 17,535,000 | 19,390,000 | |
| Estimated gross unrealized losses | $ 68,944,000 | $ 55,648,000 | |
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- Definition Income Taxes, Long-Term Capital Loss Carryforwards No definition available.
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- Definition Income Taxes, Short-Term Capital Loss Carryforwards No definition available.
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- Definition Amount of current and deferred federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current and deferred national tax expense (benefit) for non-US (United States of America) jurisdiction. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of income tax expense (benefit) on income (loss) of subsidiary attributable to the parent entity. No definition available.
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- 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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- 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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