Consolidated Schedule of Restricted Securities of Unaffiliated Issuers - Consolidated Schedule of Restricted Securities of Unaffiliated Issuers (Details)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Summary Of Investment Holdings [Line Items]
Acquisition Date		Mar. 15, 2024
48forty Intermediate Holdings, Inc. (Alpine Acquisition) \| Common Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Nov. 05, 2024	Nov. 05, 2024
48forty Intermediate Holdings, Inc. (Alpine Acquisition), Common Stock - KKR Participation \| Common Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Dec. 01, 2025
Blackbird Holdco, Inc. (Ohio Transmission Corp.) \| Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Dec. 14, 2021
AGY Equity, LLC \| Class A Preferred Units
Summary Of Investment Holdings [Line Items]
Acquisition Date		Sep. 03, 2020
AGY Equity, LLC \| Class B Preferred Units
Summary Of Investment Holdings [Line Items]
Acquisition Date		Sep. 03, 2020
AGY Equity, LLC \| Class C Common Units
Summary Of Investment Holdings [Line Items]
Acquisition Date		Sep. 03, 2020
Blackbird Purchaser, Inc. (Ohio Transmission Corp.) \| Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date		Dec. 14, 2021
Elevate Brands OpCo, LLC \| Warrants to Purchase Elevate Common Shares in MXP
Summary Of Investment Holdings [Line Items]
Acquisition Date		Jul. 26, 2023
Elevate Brands OpCo, LLC \| Warrants to Purchase SellerX Common Shares in MXP
Summary Of Investment Holdings [Line Items]
Acquisition Date		Jul. 26, 2023
Fidelis (SVC), LLC \| Series C Preferred Units
Summary Of Investment Holdings [Line Items]
Acquisition Date		Dec. 31, 2019
Fidelis (SVC), LLC \| Preferred Unit-C
Summary Of Investment Holdings [Line Items]
Acquisition Date	Dec. 31, 2019
Foursquare Labs, Inc. \| Warrants to Purchase Series E Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	May 04, 2017	May 04, 2017
GlassPoint, Inc. \| Warrants to Purchase Common Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Mar. 31, 2021	Feb. 07, 2017
Grey Orange International Inc \| Warrants to Purchase Common Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	May 05, 2022	May 05, 2022
Igloo Parent Holdings LLC \| Common Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	May 09, 2025
Infinite Commerce Holdings LLC (Razor) \| Common Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Aug. 27, 2025
Infinite Commerce Holdings LLC (Razor) \| Series A-3, Preferred Units
Summary Of Investment Holdings [Line Items]
Acquisition Date	Aug. 27, 2025
Infinite Commerce Holdings LLC (Razor) \| Series A Prime, Preferred Units
Summary Of Investment Holdings [Line Items]
Acquisition Date	Aug. 27, 2025
INH Buyer, Inc. (IMS Health) \| Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date		Dec. 16, 2024
InMobi, Inc. (Singapore) \| Warrants to Purchase Common Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Aug. 22, 2017	Aug. 22, 2017
InMobi, Inc. (Singapore) \| Warrants to Purchase Series E Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Oct. 01, 2018
InMobi, Inc. (Singapore) \| Warrants to Purchase Series E Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Sep. 18, 2015
InMobi, Inc. (Singapore) \| Warrants to Purchase Series E Preferred Stock (Strike Price $20.01)
Summary Of Investment Holdings [Line Items]
Acquisition Date		Sep. 18, 2015
InMobi, Inc. (Singapore) \| Warrants to Purchase Series E Preferred Stock (Strike Price $28.58)
Summary Of Investment Holdings [Line Items]
Acquisition Date		Oct. 01, 2018
JobandTalent USA, Inc. (United Kingdom) \| F1 Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Feb. 11, 2025
JobandTalent USA, Inc. (United Kingdom) \| F3 Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Feb. 12, 2025
Kellermeyer Bergensons Services, LLC \| Common Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Mar. 18, 2024
Kellermeyer Bergensons Services, LLC \| Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Mar. 18, 2024
Khoros, LLC (f/k/a Lithium Technologies, LLC) \| Preferred Units
Summary Of Investment Holdings [Line Items]
Acquisition Date	May 23, 2025
MBS Parent, LLC \| Limited Partnership/Limited Liability Company Interests
Summary Of Investment Holdings [Line Items]
Acquisition Date	Mar. 15, 2024
Motive Technologies Inc [Member] \| Warrants to Purchase Common Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Nov. 27, 2024
Inotiv, Inc. \| Common Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date		Mar. 30, 2022
Pluralsight, Inc. \| Common Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Aug. 22, 2024	Aug. 22, 2024
Plate Newco 1 Limited (Avanti) (United Kingdom) \| Common Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date		Apr. 13, 2022
Pico Quantitative Trading Holdings, LLC \| Warrants to Purchase Membership Units
Summary Of Investment Holdings [Line Items]
Acquisition Date	Feb. 07, 2020	Feb. 07, 2020
Quora, Inc. \| Warrants to Purchase Series D Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Apr. 12, 2019	Apr. 12, 2019
Razor Group GmbH (Germany) \| Warrants to Purchase Preferred Series A1 Shares
Summary Of Investment Holdings [Line Items]
Acquisition Date		Apr. 28, 2021
Razor \| Warrants to Purchase Series C Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date		Dec. 23, 2022
Razor US LP \| Class A Preferred Units
Summary Of Investment Holdings [Line Items]
Acquisition Date		Feb. 28, 2024
ResearchGate Corporation (Germany) \| Warrants to Purchase Series D Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Nov. 07, 2019	Nov. 07, 2019
SellerX Germany GmbH (Germany) \| Warrants to Purchase SellerX Common Shares in MXP
Summary Of Investment Holdings [Line Items]
Acquisition Date		Nov. 23, 2021
SnapLogic, Inc. \| Warrants to Purchase Series Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Mar. 20, 2018	Mar. 20, 2018
SoundCloud, Ltd. \| Warrants to Purchase Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Apr. 30, 2015	Apr. 30, 2015
Stitch Holdings, L.P. \| Limited Partnership/Limited Liability Company Interests
Summary Of Investment Holdings [Line Items]
Acquisition Date	Mar. 15, 2024
Streamland Media Holdings LLC \| Common Units
Summary Of Investment Holdings [Line Items]
Acquisition Date	Mar. 31, 2025
SuCo Investors, LP (Suited Connector) [Member] \| Warrants to Purchase Class A Units
Summary Of Investment Holdings [Line Items]
Acquisition Date	Mar. 06, 2023
Suited Connector, LLC, (Suco Investors, LP) \| Warrants to Purchase Class A Units
Summary Of Investment Holdings [Line Items]
Acquisition Date		Mar. 06, 2023
Thras.io, LLC \| Common Units
Summary Of Investment Holdings [Line Items]
Acquisition Date	Jun. 18, 2024	Jun. 18, 2024
Tradeshift, Inc. \| Warrants to Purchase Series D Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Mar. 09, 2017	Mar. 09, 2017
Utilidata, Inc. \| Common Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Jul. 06, 2020	Jul. 06, 2020
Utilidata, Inc. \| Series A-1 Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Jul. 06, 2020	Jul. 06, 2020
Utilidata, Inc. \| Series A-2 Preferred Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Jul. 06, 2020	Jul. 06, 2020
Worldremit Group Limited \| Series X Shares
Summary Of Investment Holdings [Line Items]
Acquisition Date	Jun. 24, 2024	Jun. 24, 2024
Worldremit Group Limited \| Warrants to Purchase Series D Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Feb. 11, 2021	Feb. 11, 2021
Worldremit Group Limited \| Warrants To Purchase Series E Stock
Summary Of Investment Holdings [Line Items]
Acquisition Date	Mar. 15, 2024	Mar. 15, 2024