Income Taxes - Schedule of Aggregate Investment Unrealized Appreciation And Depreciation for Federal Income Tax Purposes (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Income Tax Disclosure [Abstract]
Cost of investments for federal income tax purposes	$ 1,370,410	$ 1,420,540
Unrealized appreciation	33,790	26,396
Unrealized depreciation	(220,746)	(248,640)
Net unrealized depreciation on investments	$ (186,956)	$ (222,244)

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- Definition

Amount of cost of investment for federal income tax purpose.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-03(h)(2)(iv))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3

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- Definition

Amount of cumulative increase in investment from unrealized gain when value exceeds cost for federal income tax purpose.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-03(h)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3

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- Definition

Amount of cumulative decrease in investment from unrealized loss when cost for federal income tax purpose exceeds value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-03(h)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-03(h)(2)(iii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3

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