FAIR VALUE MEASUREMENTS - Schedule of Level 3 Input Reconciliation (Details) - USD ($)
$ in Thousands |
3 Months Ended |
6 Months Ended |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Balance, beginning of period |
$ 2,276,829
|
$ 2,245,626
|
$ 2,463,922
|
$ 1,739,546
|
| Purchases |
294,700
|
376,934
|
532,800
|
553,444
|
| Sales |
(135,483)
|
(149,362)
|
(300,342)
|
(307,699)
|
| Paydowns |
(51,027)
|
(137,989)
|
(280,317)
|
(325,095)
|
| Accretion of discount |
1,566
|
3,221
|
4,079
|
6,189
|
| Transfers Out of Level 3 |
|
|
(276)
|
|
| Balance, end of period |
2,359,595
|
2,334,961
|
2,359,595
|
2,334,961
|
| 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 |
$ (26,960)
|
$ (1,986)
|
$ (57,999)
|
$ (9,839)
|
| Fair Value, Asset, Recurring, Basis Still Held, Unrealized Gain (Loss), Statement Of Income, Extensible List, Not Disclosed Flag |
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
|
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
|
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
|
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
|
| CSL III Merger |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Transfers in |
|
|
|
$ 485,673
|
| Credit Fund II Purchase |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Transfers in |
|
|
|
191,201
|
| Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesRealizedGainLoss |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net gains (losses) included in earnings |
$ (1,793)
|
$ (357)
|
$ (11,275)
|
$ (7,384)
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net realized gain (loss) on investments
|
Net realized gain (loss) on investments
|
Net realized gain (loss) on investments
|
Net realized gain (loss) on investments
|
| Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net gains (losses) included in earnings |
$ (25,197)
|
$ (3,112)
|
$ (48,996)
|
$ (914)
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net change in unrealized appreciation (depreciation) on investments
|
Net change in unrealized appreciation (depreciation) on investments
|
Net change in unrealized appreciation (depreciation) on investments
|
Net change in unrealized appreciation (depreciation) on investments
|
| First Lien Debt |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Balance, beginning of period |
$ 1,899,631
|
$ 1,873,091
|
$ 2,061,847
|
$ 1,323,697
|
| Purchases |
238,574
|
373,530
|
436,901
|
545,453
|
| Sales |
(134,729)
|
(149,351)
|
(297,582)
|
(237,636)
|
| Paydowns |
(51,027)
|
(99,899)
|
(228,115)
|
(286,905)
|
| Accretion of discount |
1,426
|
2,424
|
3,697
|
5,173
|
| Transfers Out of Level 3 |
|
|
0
|
|
| Balance, end of period |
1,934,565
|
1,997,318
|
1,934,565
|
1,997,318
|
| 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 |
(18,517)
|
(1,587)
|
(40,073)
|
(15,224)
|
| First Lien Debt | CSL III Merger |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Transfers in |
|
|
|
479,124
|
| First Lien Debt | Credit Fund II Purchase |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Transfers in |
|
|
|
181,645
|
| First Lien Debt | Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesRealizedGainLoss |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net gains (losses) included in earnings |
(2,556)
|
(362)
|
(12,025)
|
563
|
| First Lien Debt | Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net gains (losses) included in earnings |
(16,754)
|
(2,115)
|
(30,158)
|
(13,796)
|
| Second Lien Debt |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Balance, beginning of period |
78,325
|
129,629
|
95,130
|
116,467
|
| Purchases |
774
|
1,060
|
1,839
|
2,049
|
| Sales |
(686)
|
0
|
(701)
|
(1,137)
|
| Paydowns |
0
|
(38,090)
|
(11,702)
|
(38,190)
|
| Accretion of discount |
122
|
741
|
350
|
901
|
| Transfers Out of Level 3 |
|
|
0
|
|
| Balance, end of period |
78,289
|
90,965
|
78,289
|
90,965
|
| 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 |
(932)
|
(1,771)
|
(6,930)
|
(2,128)
|
| Second Lien Debt | CSL III Merger |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Transfers in |
|
|
|
4,117
|
| Second Lien Debt | Credit Fund II Purchase |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Transfers in |
|
|
|
9,493
|
| Second Lien Debt | Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesRealizedGainLoss |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net gains (losses) included in earnings |
686
|
(6)
|
376
|
(7,980)
|
| Second Lien Debt | Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net gains (losses) included in earnings |
(932)
|
(2,369)
|
(7,003)
|
5,245
|
| Equity Investments |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Balance, beginning of period |
156,091
|
121,515
|
143,331
|
116,746
|
| Purchases |
5,766
|
2,344
|
24,675
|
5,942
|
| Sales |
(68)
|
(11)
|
(2,059)
|
(6,426)
|
| Paydowns |
0
|
0
|
0
|
0
|
| Accretion of discount |
18
|
56
|
32
|
115
|
| Transfers Out of Level 3 |
|
|
(276)
|
|
| Balance, end of period |
153,603
|
126,514
|
153,603
|
126,514
|
| 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 |
(8,281)
|
2,599
|
(11,635)
|
7,485
|
| Equity Investments | CSL III Merger |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Transfers in |
|
|
|
2,432
|
| Equity Investments | Credit Fund II Purchase |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Transfers in |
|
|
|
63
|
| Equity Investments | Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesRealizedGainLoss |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net gains (losses) included in earnings |
77
|
11
|
374
|
33
|
| Equity Investments | Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net gains (losses) included in earnings |
(8,281)
|
2,599
|
(12,474)
|
7,609
|
| Investment Funds |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Balance, beginning of period |
142,782
|
121,391
|
163,614
|
182,636
|
| Purchases |
49,586
|
0
|
69,385
|
0
|
| Sales |
0
|
0
|
0
|
(62,500)
|
| Paydowns |
0
|
0
|
(40,500)
|
0
|
| Accretion of discount |
0
|
0
|
0
|
0
|
| Transfers Out of Level 3 |
|
|
0
|
|
| Balance, end of period |
193,138
|
120,164
|
193,138
|
120,164
|
| 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 |
770
|
(1,227)
|
639
|
28
|
| Investment Funds | CSL III Merger |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Transfers in |
|
|
|
0
|
| Investment Funds | Credit Fund II Purchase |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Transfers in |
|
|
|
0
|
| Investment Funds | Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesRealizedGainLoss |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net gains (losses) included in earnings |
0
|
0
|
0
|
0
|
| Investment Funds | Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net gains (losses) included in earnings |
$ 770
|
$ (1,227)
|
$ 639
|
$ 28
|