FAIR VALUE MEASUREMENTS (Tables)
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3 Months Ended |
Mar. 31, 2026 |
| Fair Value Disclosures [Abstract] |
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| Schedule of Investments Measured at Fair Value on Recurring Basis |
The following tables summarize the Company’s investments measured at fair value on a recurring basis by the above fair value hierarchy levels as of March 31, 2026 and December 31, 2025: | | | | | | | | | | | | | | | | | | | | | | | | | | March 31, 2026 | | | Level 1 | | Level 2 | | Level 3 | | Total | | Assets | | | | | | | | | First Lien Debt | $ | — | | | $ | — | | | $ | 1,899,631 | | | $ | 1,899,631 | | | Second Lien Debt | — | | | — | | | 78,325 | | | 78,325 | | | Equity Investments | 276 | | | — | | | 156,091 | | | 156,367 | | | Investment Funds | — | | | — | | | 142,782 | | | 142,782 | | | | | | | | | | | | | | | | | | | Total Investments | $ | 276 | | | $ | — | | | $ | 2,276,829 | | | $ | 2,277,105 | | | | | | | | | | | | | | | | | | Derivative assets(1) | — | | | — | | | — | | | — | | | Liabilities | | | | | | | | Derivative liabilities(1) | — | | | (5,033) | | | — | | | (5,033) | | | Total | | | | | | | $ | 2,272,072 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | | Level 1 | | Level 2 | | Level 3 | | Total | | Assets | | | | | | | | | First Lien Debt | $ | — | | | $ | — | | | $ | 2,061,847 | | | $ | 2,061,847 | | | Second Lien Debt | — | | | — | | | 95,130 | | | 95,130 | | | Equity Investments | — | | | — | | | 143,331 | | | 143,331 | | | Investment Funds | — | | | — | | | 163,614 | | | 163,614 | | | | | | | | | | | | | | | | | | | Total Investments | $ | — | | | $ | — | | | $ | 2,463,922 | | | $ | 2,463,922 | | | | | | | | | | | | | | | | | | Derivative assets(1) | — | | | 298 | | | — | | | 298 | | | Liabilities | | | | | | | | Derivative liabilities(1) | — | | | (1,436) | | | — | | | (1,436) | | | Total | | | | | | | $ | 2,462,784 | |
(1)As of March 31, 2026 and December 31, 2025, derivative assets and liabilities consisted of interest rate swaps.
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| Schedule of Level 3 Input Reconciliation |
The changes in the Company’s investments at fair value for which the Company has used Level 3 inputs to determine fair value and net change in unrealized appreciation (depreciation) included in earnings for Level 3 investments still held are as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Financial Assets | | | Three Months Ended March 31, 2026 | | | First Lien Debt | | Second Lien Debt | | Equity Investments | | Investment Funds | | Total | | | | | | Balance, beginning of period | $ | 2,061,847 | | | $ | 95,130 | | | $ | 143,331 | | | $ | 163,614 | | | $ | 2,463,922 | | | | | | | Purchases | 198,327 | | | 1,065 | | | 18,909 | | | 19,799 | | | 238,100 | | | | | | | Sales | (162,853) | | | (15) | | | (1,991) | | | — | | | (164,859) | | | | | | | Paydowns | (177,088) | | | (11,702) | | | — | | | (40,500) | | | (229,290) | | | | | | | Accretion of discount | 2,271 | | | 228 | | | 14 | | | — | | | 2,513 | | | | | | | Net realized gains (losses) | (9,469) | | | (310) | | | 297 | | | — | | | (9,482) | | | | | | | Net change in unrealized appreciation (depreciation) | (13,404) | | | (6,071) | | | (4,193) | | | (131) | | | (23,799) | | | | | | | Transfers Out of Level 3 | — | | | — | | | (276) | | | — | | | (276) | | | | | | | Balance, end of period | $ | 1,899,631 | | | $ | 78,325 | | | $ | 156,091 | | | $ | 142,782 | | | $ | 2,276,829 | | | | | | | Net change in unrealized appreciation (depreciation) relating to Level 3 investments still held at the reporting date and included within the Consolidated Statements of Operations | $ | (21,344) | | | $ | (5,998) | | | $ | (3,441) | | | $ | (131) | | | $ | (30,914) | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Financial Assets | | | | Three Months Ended March 31, 2025 | | | | First Lien Debt | | Second Lien Debt | | Equity Investments | | | | Investment Funds | | Total | | | Balance, beginning of period | $ | 1,323,697 | | | $ | 116,467 | | | $ | 116,746 | | | | | $ | 182,636 | | | $ | 1,739,546 | | | | Purchases | 171,923 | | | 989 | | | 3,598 | | | | | — | | | 176,510 | | | | Transfer In - CSL III Merger | 479,124 | | | 4,117 | | | 2,432 | | | | | — | | | 485,673 | | | | Transfer In - Credit Fund II Purchase | 181,645 | | | 9,493 | | | 63 | | | | | — | | | 191,201 | | | | Sales | (88,285) | | | (1,137) | | | (6,415) | | | | | (62,500) | | | (158,337) | | | | Paydowns | (187,006) | | | (100) | | | — | | | | | — | | | (187,106) | | | | Accretion of discount | 2,749 | | | 160 | | | 59 | | | | | — | | | 2,968 | | | | Net realized gains (losses) | 925 | | | (7,974) | | | 22 | | | | | — | | | (7,027) | | | | Net change in unrealized appreciation (depreciation) | (11,681) | | | 7,614 | | | 5,010 | | | | | 1,255 | | | 2,198 | | | | Balance, end of period | $ | 1,873,091 | | | $ | 129,629 | | | $ | 121,515 | | | | | $ | 121,391 | | | $ | 2,245,626 | | | | Net change in unrealized appreciation (depreciation) relating to Level 3 investments still held at the reporting date and included within the Consolidated Statements of Operations | $ | (13,947) | | | $ | (386) | | | $ | 4,886 | | | | | $ | 1,255 | | | $ | (8,192) | | |
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| Schedule of Fair Value Inputs and Valuation Techniques |
The following tables summarize the quantitative information related to the significant unobservable inputs for Level 3 instruments which are carried at fair value as of March 31, 2026 and December 31, 2025: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fair Value as of | | Valuation Techniques | | Significant Unobservable Inputs | | Range | | Weighted Average | | | March 31, 2026 | Low | | High | | | Investments in First Lien Debt | $ | 1,706,571 | | | Discounted Cash Flow | | Discount Rate | | 7.44 | % | | 23.66 | % | | 9.98 | % | | 114,186 | | | Consensus Pricing | | Indicative Quotes | | 47.50 | % | | 99.12 | % | | 92.53 | % | | 78,874 | | | Income Approach | | Discount Rate | | 9.86 | % | | 13.79 | % | | 11.31 | % | | | | Market Approach | | Comparable Multiple | | 9.50x | | 10.92x | | 10.12x | | Total First Lien Debt | 1,899,631 | | | | | | | | | | | | | Investments in Second Lien Debt | 59,498 | | | Discounted Cash Flow | | Discount Rate | | 14.29 | % | | 18.57 | % | | 17.75 | % | | 12,025 | | | Consensus Pricing | | Indicative Quotes | | 92.50 | % | | 92.50 | % | | 92.50 | % | | 6,802 | | | Income Approach | | Discount Rate | | 9.98 | % | | 13.36 | % | | 10.00 | % | | Total Second Lien Debt | 78,325 | | | | | | | | | | | | | Investments in Equity | 59,622 | | | Income Approach | | Discount Rate | | 12.06 | % | | 16.41 | % | | 13.16 | % | | 10,456 | | | Consensus Pricing | | Indicative Quotes | | 98.25% | | 98.25% | | 95.65% | | 86,013 | | | Market Approach | | Comparable Multiple | | 3.00x | | 19.00x | | 10.26x | | Total Equity Investments | 156,091 | | | | | | | | | | | | | | | | | | | | | | | | | Investments in Investment Funds | 122,983 | | | Discounted Cash Flow | | Discount Rate | | 12.50 | % | | 12.50 | % | | 12.50 | % | | | | Discounted Cash Flow | | Default Rate | | 2.00 | % | | 2.00 | % | | 2.00 | % | | | | Discounted Cash Flow | | Recovery Rate | | 60.00 | % | | 60.00 | % | | 60.00 | % | | 19,799 | | | Consensus Pricing | | Indicative Quotes | | 100.00 | % | | 100.00 | % | | 100.00 | % | | Total Investments in Investment Funds | 142,782 | | | | | | | | | | | | | Total Level 3 Investments | $ | 2,276,829 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fair Value as of | | Valuation Techniques | | Significant Unobservable Inputs | | Range | | Weighted Average | | | December 31, 2025 | Low | | High | | | Investments in First Lien Debt | $ | 1,818,450 | | | Discounted Cash Flow | | Discount Rate | | 5.54 | % | | 23.90 | % | | 9.33 | % | | 159,132 | | | Consensus Pricing | | Indicative Quotes | | 64.38 | % | | 100.00 | % | | 95.82 | % | | 84,265 | | | Income Approach | | Discount Rate | | 9.96 | % | | 14.55 | % | | 11.57 | % | | | | Market Approach | | Comparable Multiple | | 8.50x | | 11.50x | | 9.57x | | Total First Lien Debt | 2,061,847 | | | | | | | | | | | | | Investments in Second Lien Debt | 76,571 | | | Discounted Cash Flow | | Discount Rate | | 10.89 | % | | 17.22 | % | | 13.00 | % | | 11,984 | | | Consensus Pricing | | Indicative Quotes | | 92.19 | % | | 92.19 | % | | 92.19 | % | | 6,575 | | | Income Approach | | Discount Rate | | 9.96 | % | | 13.35 | % | | 9.97 | % | | Total Second Lien Debt | 95,130 | | | | | | | | | | | | | Investments in Equity | 56,658 | | | Income Approach | | Discount Rate | | 9.75 | % | | 16.16 | % | | 12.37 | % | | 86,673 | | | Market Approach | | Comparable Multiple | | 3.00x | | 21.25x | | 10.84x | | Total Equity Investments | 143,331 | | | | | | | | | | | | | Investments in Investment Funds | | | | | | | | | | | | | Mezzanine Loan | 40,500 | | | Consensus Pricing | | Indicative Quotes | | 100.00 | % | | 100.00 | % | | 100.00 | % | | Subordinated Loan and Member's Interest | 123,114 | | | Discounted Cash Flow | | Discount Rate | | 11.75 | % | | 11.75 | % | | 11.75 | % | | | | Discounted Cash Flow | | Default Rate | | 2.00 | % | | 2.00 | % | | 2.00 | % | | | | Discounted Cash Flow | | Recovery Rate | | 60.00 | % | | 60.00 | % | | 60.00 | % | | Total Investments in Investment Funds | 163,614 | | | | | | | | | | | | | Total Level 3 Investments | $ | 2,463,922 | | | | | | | | | | | |
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| Schedule of Carrying Values and Fair Values of Debt |
The following table presents the principal amount and fair value of the Credit Facility, the Senior Notes, and the 2015-1N Debt as of March 31, 2026 and December 31, 2025: | | | | | | | | | | | | | | | | | | | | | | | | | | March 31, 2026 | | December 31, 2025 | | | Principal Amount | | Fair Value | | Principal Amount | | Fair Value | | Secured borrowings | $ | 415,319 | | | $ | 415,319 | | | $ | 563,660 | | | $ | 563,660 | | | | | | | | | | | 2030 Notes | 300,000 | | | 301,709 | | | 300,000 | | | 299,749 | | | 2031 Notes | 300,000 | | | 303,340 | | | 300,000 | | | 301,436 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2015-1N Aaa/AAA Class A-1-1-A Notes | 240,000 | | | 240,054 | | | 240,000 | | | 240,118 | | | 2015-1N Aaa/AAA Class A-L Loans | 50,000 | | | 50,011 | | | 50,000 | | | 50,025 | | | 2015-1N Aaa/AAA Class A-1-2-B Notes | 20,000 | | | 19,971 | | | 20,000 | | | 20,001 | | | 2015-1N AA Class A-2-RR Notes | 30,000 | | | 29,789 | | | 30,000 | | | 29,858 | | | 2015-1N A Class B-R Notes | 40,000 | | | 39,700 | | | 40,000 | | | 39,799 | | | | | | | | | | | Total | $ | 1,395,319 | | | $ | 1,399,893 | | | $ | 1,543,660 | | | $ | 1,544,646 | |
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