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Income Taxes - Summary of Federal Income Tax Purposes Cost of Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Tax-basis amortized cost of investments	$ 811,962	$ 623,527
Tax-basis gross unrealized appreciation on investments	87,884	110,481
Tax-basis gross unrealized depreciation on investments	(39,517)	(14,884)
Tax-basis net unrealized appreciation on investments	48,367	95,597
Fair value of investments	$ 860,329	$ 719,124

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Tax basis amortized cost of investments.

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- Definition

The aggregate cost of investments for Federal income tax purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-03(h)(2)(iv))
-URI https://asc.fasb.org/extlink&oid=126898976&loc=d3e600178-122990

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Aggregate gross unrealized appreciation for all Investments in which there is an excess of value over tax cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-03(h)(2)(i))
-URI https://asc.fasb.org/extlink&oid=126898976&loc=d3e600178-122990

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The aggregate gross unrealized depreciation for all Investments in which there is an excess of tax cost over value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-03(h)(2)(ii))
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The net unrealized appreciation or depreciation.

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