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Fair Value Measurements - Summary of Significant Unobservable Inputs by Valuation Technique to Determine Fair Value (Details) $ in Thousands | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
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Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Fair Value | $ 368,817 | $ 357,429
Derivative Asset, Statement of Financial Position [Extensible Enumeration] |  | Total investments, at fair value
Level 3 | Enterprise Value | EBITDA Multiples |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Equity Investments, Equity Fair Value | 111,808 | $ 162,681
Equity Investments, Warrants fair value | $ 1,949 | $ 3,075
Level 3 | Enterprise Value | EBITDA Multiples | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Equity Investments, Equity, Range | 4.0 | 3.5
Equity investments, Warrants range | 6.0 | 4.5
Level 3 | Enterprise Value | EBITDA Multiples | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Equity Investments, Equity, Range | 16.8 | 23.8
Equity investments, Warrants range | 6.0 | 6.0
Level 3 | Enterprise Value | EBITDA Multiples | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Equity Investments, Equity, Range | 8.1 | 8.2
Equity investments, Warrants range | 6.0 | 5.9
Level 3 | Enterprise Value | Revenue Multiples |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Equity Investments, Equity Fair Value | $ 5,623 | $ 3,081
Equity Investments, Warrants fair value | $ 130 | $ 129
Level 3 | Enterprise Value | Revenue Multiples | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Equity Investments, Equity, Range | 0.9 | 3.5
Equity investments, Warrants range | 4.5 | 4.5
Level 3 | Enterprise Value | Revenue Multiples | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Equity Investments, Equity, Range | 7.8 | 9.3
Equity investments, Warrants range | 4.5 | 4.5
Level 3 | Enterprise Value | Revenue Multiples | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Equity Investments, Equity, Range | 6.4 | 6.2
Equity investments, Warrants range | 4.5 | 4.5
Level 3 | Subordinated Debt | Discounted Cash Flow | Weighted Average Cost of Capital |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Fair Value | $ 97,706 | $ 36,064
Level 3 | Subordinated Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 0.100 | 0.100
Level 3 | Subordinated Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 0.152 | 0.135
Level 3 | Subordinated Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 0.125 | 0.111
Level 3 | Subordinated Debt | Enterprise Value | EBITDA Multiples |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Fair Value | $ 3,750 |
Level 3 | Subordinated Debt | Enterprise Value | EBITDA Multiples | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 8.5 |
Level 3 | Subordinated Debt | Enterprise Value | EBITDA Multiples | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 8.5 |
Level 3 | Subordinated Debt | Enterprise Value | EBITDA Multiples | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 8.5 |
Level 3 | First Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Fair Value | $ 441,830 | $ 335,022
Level 3 | First Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 0.089 | 0.040
Level 3 | First Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 0.219 | 0.216
Level 3 | First Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 0.155 | 0.122
Level 3 | First Lien Debt | Enterprise Value | Asset Coverage |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Fair Value | $ 11,000 | $ 11,000
Level 3 | First Lien Debt | Enterprise Value | Asset Coverage | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 1.1 | 1.2
Level 3 | First Lien Debt | Enterprise Value | Asset Coverage | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 1.1 | 1.2
Level 3 | First Lien Debt | Enterprise Value | Asset Coverage | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 1.1 | 1.2
Level 3 | First Lien Debt | Enterprise Value | Revenue Multiples |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Fair Value | $ 3,275 | $ 8,900
Level 3 | First Lien Debt | Enterprise Value | Revenue Multiples | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 4.3 | 4.5
Level 3 | First Lien Debt | Enterprise Value | Revenue Multiples | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 4.3 | 4.5
Level 3 | First Lien Debt | Enterprise Value | Revenue Multiples | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 4.3 | 4.5
Level 3 | Second Lien Debt | Discounted Cash Flow |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Fair Value | $ 18,000 |
Level 3 | Second Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Fair Value | $ 180,824 | $ 144,541
Level 3 | Second Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 0.117 | 0.078
Level 3 | Second Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 0.250 | 0.250
Level 3 | Second Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 0.145 | 0.144
Level 3 | Second Lien Debt | Enterprise Value | Asset Coverage |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Fair Value | $ 2,123 | $ 14,274
Level 3 | Second Lien Debt | Enterprise Value | Asset Coverage | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 0.8 | 1.0
Level 3 | Second Lien Debt | Enterprise Value | Asset Coverage | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 0.8 | 1.4
Level 3 | Second Lien Debt | Enterprise Value | Asset Coverage | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 0.8 | 1.4
Level 3 | Second Lien Debt | Enterprise Value | EBITDA Multiples | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 5.0 |
Level 3 | Second Lien Debt | Enterprise Value | EBITDA Multiples | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 5.0 |
Level 3 | Second Lien Debt | Enterprise Value | EBITDA Multiples | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Investments, Range | 5.0 |

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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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