v3.26.1
Fair Value Measurement - Summary of Ranges of Significant Unobservable Inputs Used to Value Level 3 Assets (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value $ 1,369,235 $ 1,534,345
1st Lien/Senior Secured Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 1,308,266 1,468,487
1st Lien/Last-Out Unitranche    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 27,582 29,474
2nd Lien/Senior Secured Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 1,023 2,526
Unsecured Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 6,654 6,654
Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 21,137 23,007
Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 4,207 3,974
Warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 366 223
Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 1,369,235 1,534,345
Level 3 | 1st Lien/Senior Secured Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 1,308,266 1,468,487
Level 3 | 1st Lien/Last-Out Unitranche    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 27,582 29,474
Level 3 | 2nd Lien/Senior Secured Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 1,023 2,526
Level 3 | Unsecured Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 6,654 6,654
Level 3 | Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 21,137 23,007
Level 3 | Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 4,207 3,974
Level 3 | Warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value 366 223
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation Technique, Discounted Cash Flow | Measurement Input, Discount Rate | 1st Lien/Senior Secured Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value [1],[2] $ 1,170,354 $ 1,380,870
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation Technique, Discounted Cash Flow | Measurement Input, Discount Rate | 1st Lien/Senior Secured Debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range of Significant Unobservable Inputs [3] 0.088 0.082
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation Technique, Discounted Cash Flow | Measurement Input, Discount Rate | 1st Lien/Senior Secured Debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range of Significant Unobservable Inputs [3] 0.241 0.203
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation Technique, Discounted Cash Flow | Measurement Input, Discount Rate | 1st Lien/Senior Secured Debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range of Significant Unobservable Inputs [4] 0.121 0.111
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation Technique, Discounted Cash Flow | Measurement Input, Discount Rate | 1st Lien/Last-Out Unitranche    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value [1],[2] $ 24,465 $ 24,375
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation Technique, Discounted Cash Flow | Measurement Input, Discount Rate | 1st Lien/Last-Out Unitranche | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range of Significant Unobservable Inputs [4] 0.12 0.113
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation Technique, Discounted Cash Flow | Measurement Input, Discount Rate | Unsecured Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value [1],[2] $ 6,654 $ 6,654
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation Technique, Discounted Cash Flow | Measurement Input, Discount Rate | Unsecured Debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range of Significant Unobservable Inputs [4] 0.184 0.147
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation Technique, Collateral Analysis | Measurement Input, Recovery Rate | 1st Lien/Senior Secured Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value [1],[2]   $ 12,300
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation Technique, Collateral Analysis | Measurement Input, Recovery Rate | 1st Lien/Senior Secured Debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range of Significant Unobservable Inputs [4]   75.3
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | 1st Lien/Senior Secured Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value [1],[2] $ 101,690 $ 46,760
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | 1st Lien/Senior Secured Debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range of Significant Unobservable Inputs [3],[5] 5.3 4.8
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | 1st Lien/Senior Secured Debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range of Significant Unobservable Inputs [3],[5] 9.8 8.2
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | 1st Lien/Senior Secured Debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range of Significant Unobservable Inputs [4],[5] 8.7 7.6
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | 1st Lien/Last-Out Unitranche    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value [1],[2] $ 3,117 $ 5,099
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | 1st Lien/Last-Out Unitranche | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range of Significant Unobservable Inputs [4],[5] 0.088 0.087
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | 2nd Lien/Senior Secured Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value [1],[2] $ 1,023 $ 2,526
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | 2nd Lien/Senior Secured Debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range of Significant Unobservable Inputs [4],[5] 8.9 9
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation, Comparable Multiples | Measurement Input, Revenue Multiple | 1st Lien/Senior Secured Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt investments, Fair Value [1],[2] $ 5,962 $ 6,761
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation, Comparable Multiples | Measurement Input, Revenue Multiple | 1st Lien/Senior Secured Debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range of Significant Unobservable Inputs [3],[5] 0.2  
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation, Comparable Multiples | Measurement Input, Revenue Multiple | 1st Lien/Senior Secured Debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range of Significant Unobservable Inputs [3],[5] 0.8  
Bank Loans, Corporate Debt and Other Debt Obligations | Level 3 | Valuation, Comparable Multiples | Measurement Input, Revenue Multiple | 1st Lien/Senior Secured Debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range of Significant Unobservable Inputs [4] 0.3 0.3
Equity | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity, Fair Value [1],[2] $ 7,044 $ 7,132
Equity | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | Preferred Stock | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity, Range of Significant Unobservable Inputs [3],[5] 12.5 13
Equity | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | Preferred Stock | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity, Range of Significant Unobservable Inputs [3],[5] 20 20
Equity | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | Preferred Stock | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity, Range of Significant Unobservable Inputs [4],[5] 19.9 19.9
Equity | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity, Fair Value [1],[2] $ 3,491 $ 3,250
Equity | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | Common Stock | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity, Range of Significant Unobservable Inputs [3],[5] 3.8 3.5
Equity | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | Common Stock | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity, Range of Significant Unobservable Inputs [3],[5] 12.5 13
Equity | Level 3 | Valuation, Comparable Multiples | Measurement Input, EV/EBITDA | Common Stock | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity, Range of Significant Unobservable Inputs [4],[5] 11.3 11.3
Equity | Level 3 | Valuation, Comparable Multiples | Measurement Input, Revenue Multiple | Preferred Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity, Fair Value [1],[2] $ 14,093 $ 15,875
Equity | Level 3 | Valuation, Comparable Multiples | Measurement Input, Revenue Multiple | Preferred Stock | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity, Range of Significant Unobservable Inputs [4] 3 3.9
Equity | Level 3 | Valuation, Comparable Multiples | Measurement Input, Revenue Multiple | Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity, Fair Value [1],[2] $ 716 $ 724
Equity | Level 3 | Valuation, Comparable Multiples | Measurement Input, Revenue Multiple | Common Stock | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity, Range of Significant Unobservable Inputs [4] 6.8 7.3
Equity | Level 3 | Valuation, Comparable Multiples | Measurement Input, Revenue Multiple | Warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity, Fair Value [1],[2] $ 366 $ 223
Equity | Level 3 | Valuation, Comparable Multiples | Measurement Input, Revenue Multiple | Warrants | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity, Range of Significant Unobservable Inputs [4] 3 3.9
[1] As of June 30, 2026, included within Level 3 assets of $1,369,235 is an amount of $30,260 for which the Investment Adviser did not develop the unobservable inputs (examples include single source broker quotations, third party pricing, and transaction prices). The income approach was used in the determination of fair value for $1,201,473 or 89.4% of Level 3 bank loans, corporate debt, and other debt obligations.
[2] As of December 31, 2025, included within Level 3 assets of $1,534,345 is an amount of $21,796 for which the Investment Adviser did not develop the unobservable inputs (examples include single source broker quotations, third party pricing, and transaction prices). The income approach was used in the determination of fair value for $1,411,899 or 93.7% of Level 3 bank loans, corporate debt, and other debt obligations.
[3] The range for an asset category consisting of a single investment, if any, is not meaningful and therefore has been excluded.
[4] Weighted average for an asset category consisting of multiple investments is calculated by weighting the significant unobservable input by the relative fair value of the investment. Weighted average for an asset category consisting of a single investment represents the significant unobservable input used in the fair value of the investment.
[5] Enterprise value of portfolio company as a multiple of earnings before interest, taxes, depreciation and amortization (“EBITDA”).