v3.26.1
Consolidated Schedule of Restricted Securities of Unaffiliated Issuers - Consolidated Schedule of Restricted Securities of Unaffiliated Issuers (Unaudited) (Details)
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
48forty Intermediate Holdings, Inc. | Class A-1 Common Units    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Jan. 14, 2026  
48forty Intermediate Holdings, Inc. | Preferred Units    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Jan. 14, 2026  
48forty Intermediate Holdings, Inc. (Alpine Acquisition) | Common Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date   Nov. 05, 2024
48forty Intermediate Holdings, Inc. (Alpine Acquisition) | Common Stock - KKR Participation    
Summary Of Investment Holdings [Line Items]    
Acquisition Date   Dec. 01, 2025
Blackbird Purchaser, Inc. (Ohio Transmission Corp.) | Preferred Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Dec. 14, 2021 Dec. 14, 2021
Fidelis (SVC), LLC | Preferred Unit-C    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Dec. 31, 2019 Dec. 31, 2019
Joband Talent USA, Inc. (United Kingdom) | F3 Preferred Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Feb. 12, 2025 Feb. 12, 2025
Joband Talent USA, Inc. (United Kingdom) | F1 Preferred Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Feb. 11, 2025 Feb. 11, 2025
Kellermeyer Bergensons Services, LLC | Preferred Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Mar. 18, 2024 Mar. 18, 2024
Kellermeyer Bergensons Services, LLC | Common Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Mar. 18, 2024 Mar. 18, 2024
Khoros L L C | Preferred Units    
Summary Of Investment Holdings [Line Items]    
Acquisition Date May 23, 2025 May 23, 2025
MBS Parent, LLC | Limited Partnership/Limited Liability Company Interests    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Mar. 15, 2024 Mar. 15, 2024
Motive Technologies, Inc | Warrants to Purchase Common Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Nov. 27, 2024 Nov. 27, 2024
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 Mar. 31, 2021
GoTab, Inc. (Fishbowl) | Warrants To Purchase Series A Preferred Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Feb. 23, 2026  
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 Units    
Summary Of Investment Holdings [Line Items]    
Acquisition Date May 09, 2025 May 09, 2025
Infinite Commerce Holdings LLC (Razor) | Series A-3, Preferred Units    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Aug. 27, 2025 Aug. 27, 2025
Infinite Commerce Holdings LLC (Razor) | Series A Prime, Preferred Units    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Aug. 27, 2025 Aug. 27, 2025
Infinite Commerce Holdings LLC (Razor) | Common Units    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Aug. 27, 2025 Aug. 27, 2025
InMobi, Inc. (Singapore) | Warrants to Purchase Series E Preferred Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Oct. 01, 2018 Oct. 01, 2018
InMobi, Inc. (Singapore) | Warrants to Purchase Common Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date   Aug. 22, 2017
InMobi, Inc. (Singapore) One | Warrants to Purchase Series E Preferred Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date   Sep. 18, 2015
Pico Quantitative Trading Holdings, LLC | Warrants to Purchase Membership Units    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Feb. 07, 2020 Feb. 07, 2020
Pluralsight, Inc. | Common Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Aug. 22, 2024 Aug. 22, 2024
Purecars Technologies Holdings, LLC | Preferred Equity Class A-2    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Apr. 08, 2026  
Purecars Technologies Holdings, LLC | Preferred Equity Class AA-2    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Apr. 08, 2026  
Purecars Technologies Holdings, LLC | Preferred Equity Class C-3    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Apr. 08, 2026  
Quora, Inc. | Warrants to Purchase Series D Preferred Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Apr. 12, 2019 Apr. 12, 2019
ResearchGate Corporation (Germany) | Warrants to Purchase Series D Preferred Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Nov. 07, 2019 Nov. 07, 2019
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 Mar. 15, 2024
Streamland Media Holdings LLC | Common Units    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Mar. 31, 2025 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
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 (United Kingdom) | Series X Shares    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Jun. 24, 2024 Jun. 24, 2024
Worldremit Group Limited (United Kingdom) | Warrants to Purchase Series D Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Feb. 11, 2021 Feb. 11, 2021
Worldremit Group Limited (United Kingdom) | Warrants To Purchase Series E Stock    
Summary Of Investment Holdings [Line Items]    
Acquisition Date Mar. 15, 2024 Mar. 15, 2024