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Commitments and Contingencies - Schedule of Unfunded Contractual Commitments (Parenthetical) (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Loss Contingencies [Line Items] |  |  |
Investment Company, Financial Commitment to Investee, Future Amount | [1] | $ 562,116 | $ 628,874
Adviser Funds |  |  |
Loss Contingencies [Line Items] |  |  |
Investment Company, Financial Commitment to Investee, Future Amount |  | $ 178,200 | $ 173,500
[1] | For debt investments, amounts represent unfunded commitments, including undrawn revolving facilities, which are available at the request of the portfolio company. Amount excludes unfunded commitments which are unavailable due to the borrower having not met certain milestones. These amounts also exclude $178.2 million and $173.5 million of unfunded commitments as of March 31, 2023, and December 31, 2022, respectively, to portfolio companies related to loans assigned to or directly committed by the Adviser Funds as described in “Note -12 Related Party Transactions”.

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- Definition Amount of financial support to be provided in future by investment company to investee. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=66023616&loc=SL35737436-115832 + Details
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