v3.26.1
FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Mar. 31, 2026
Fair Value Disclosures [Abstract]  
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 1Level 2Level 3Total
Assets
First Lien Debt$— $— $1,899,631 $1,899,631 
Second Lien Debt— — 78,325 78,325 
Equity Investments276 — 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$2,272,072 
 December 31, 2025
 Level 1Level 2Level 3Total
Assets
First Lien Debt$— $— $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.
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 DebtSecond Lien DebtEquity InvestmentsInvestment FundsTotal
Balance, beginning of period$2,061,847 $95,130 $143,331 $163,614 $2,463,922 
Purchases198,327 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 discount2,271 228 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 DebtSecond Lien DebtEquity InvestmentsInvestment FundsTotal
Balance, beginning of period$1,323,697 $116,467 $116,746 $182,636 $1,739,546 
Purchases171,923 989 3,598 — 176,510 
Transfer In - CSL III Merger479,124 4,117 2,432 — 485,673 
Transfer In - Credit Fund II Purchase181,645 9,493 63 — 191,201 
Sales(88,285)(1,137)(6,415)(62,500)(158,337)
Paydowns(187,006)(100)— — (187,106)
Accretion of discount2,749 160 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)
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 ofValuation TechniquesSignificant Unobservable InputsRangeWeighted Average
 March 31, 2026LowHigh
Investments in First Lien Debt$1,706,571 Discounted Cash FlowDiscount Rate7.44 %23.66 %9.98 %
114,186 Consensus PricingIndicative Quotes47.50 %99.12 %92.53 %
78,874 Income ApproachDiscount Rate9.86 %13.79 %11.31 %
Market ApproachComparable Multiple9.50x10.92x10.12x
Total First Lien Debt1,899,631 
Investments in Second Lien Debt59,498 Discounted Cash FlowDiscount Rate14.29 %18.57 %17.75 %
12,025 Consensus PricingIndicative Quotes92.50 %92.50 %92.50 %
6,802 Income ApproachDiscount Rate9.98 %13.36 %10.00 %
Total Second Lien Debt78,325 
Investments in Equity59,622 Income ApproachDiscount Rate12.06 %16.41 %13.16 %
10,456 Consensus PricingIndicative Quotes98.25%98.25%95.65%
86,013 Market ApproachComparable Multiple3.00x19.00x10.26x
Total Equity Investments156,091 
Investments in Investment Funds122,983 Discounted Cash FlowDiscount Rate12.50 %12.50 %12.50 %
Discounted Cash FlowDefault Rate2.00 %2.00 %2.00 %
Discounted Cash FlowRecovery Rate60.00 %60.00 %60.00 %
19,799 Consensus PricingIndicative Quotes100.00 %100.00 %100.00 %
Total Investments in Investment Funds142,782 
Total Level 3 Investments$2,276,829 
 Fair Value as ofValuation TechniquesSignificant
Unobservable
Inputs
RangeWeighted Average
 December 31, 2025LowHigh
Investments in First Lien Debt$1,818,450 Discounted Cash FlowDiscount Rate5.54 %23.90 %9.33 %
159,132 Consensus PricingIndicative Quotes64.38 %100.00 %95.82 %
84,265 Income ApproachDiscount Rate9.96 %14.55 %11.57 %
Market ApproachComparable Multiple8.50x11.50x9.57x
Total First Lien Debt2,061,847 
Investments in Second Lien Debt76,571 Discounted Cash FlowDiscount Rate10.89 %17.22 %13.00 %
11,984 Consensus PricingIndicative Quotes92.19 %92.19 %92.19 %
6,575 Income ApproachDiscount Rate9.96 %13.35 %9.97 %
Total Second Lien Debt95,130 
Investments in Equity56,658 Income ApproachDiscount Rate9.75 %16.16 %12.37 %
86,673 Market ApproachComparable Multiple3.00x21.25x10.84x
Total Equity Investments143,331 
Investments in Investment Funds
Mezzanine Loan40,500 Consensus PricingIndicative Quotes100.00 %100.00 %100.00 %
Subordinated Loan and Member's Interest123,114 Discounted Cash FlowDiscount Rate11.75 %11.75 %11.75 %
Discounted Cash FlowDefault Rate2.00 %2.00 %2.00 %
Discounted Cash FlowRecovery Rate60.00 %60.00 %60.00 %
Total Investments in Investment Funds163,614 
Total Level 3 Investments$2,463,922 
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, 2026December 31, 2025
 Principal AmountFair ValuePrincipal AmountFair Value
Secured borrowings$415,319 $415,319 $563,660 $563,660 
2030 Notes300,000 301,709 300,000 299,749 
2031 Notes300,000 303,340 300,000 301,436 
2015-1N Aaa/AAA Class A-1-1-A Notes240,000 240,054 240,000 240,118 
2015-1N Aaa/AAA Class A-L Loans50,000 50,011 50,000 50,025 
2015-1N Aaa/AAA Class A-1-2-B Notes20,000 19,971 20,000 20,001 
2015-1N AA Class A-2-RR Notes30,000 29,789 30,000 29,858 
2015-1N A Class B-R Notes40,000 39,700 40,000 39,799 
Total$1,395,319 $1,399,893 $1,543,660 $1,544,646