Fair Value of Financial Instruments - Schedule of Changes in the Fair Value of Investments (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] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
$ (62,330)
|
$ 73,395
|
$ (481,542)
|
$ 67,214
|
| First-Lien Senior Secured |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Fair value, beginning of period |
10,616,855
|
9,091,954
|
10,660,972
|
4,341,268
|
| Purchases of investments, net |
717,942
|
681,794
|
1,636,383
|
1,056,719
|
| Payment-in-kind |
14,156
|
12,955
|
27,896
|
20,176
|
| Proceeds from investments, net |
(167,076)
|
(231,957)
|
(946,013)
|
(469,084)
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
(12,992)
|
30,350
|
(200,454)
|
25,128
|
| Net amortization/accretion of discount/premium on investments |
6,703
|
6,271
|
13,394
|
10,753
|
| Transfers into (out of) Level 3 |
(3,960)
|
(74,514)
|
|
0
|
| Transfers into (out of) Level 3(1) |
|
|
(14,297)
|
4,531,616
|
| Fair Value, End of Period |
11,167,671
|
9,517,297
|
11,167,671
|
9,517,297
|
| First-Lien Senior Secured | Income Statement Location [Axis]: us-gaap:RealizedInvestmentGainsLosses |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
(1,785)
|
3,495
|
(15,445)
|
3,528
|
| First-Lien Senior Secured | Income Statement Location [Axis]: us-gaap:UnrealizedGainLossOnInvestments |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
(15,164)
|
27,299
|
(195,219)
|
22,321
|
| Second-Lien Senior Secured |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Fair value, beginning of period |
377,601
|
291,217
|
442,717
|
166,159
|
| Purchases of investments, net |
660
|
61,324
|
660
|
61,323
|
| Payment-in-kind |
2,473
|
5,360
|
4,930
|
9,065
|
| Proceeds from investments, net |
0
|
(32,717)
|
0
|
(41,117)
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
(23,955)
|
2,078
|
(60,628)
|
(446)
|
| Net amortization/accretion of discount/premium on investments |
187
|
1,505
|
346
|
1,565
|
| Transfers into (out of) Level 3 |
76,178
|
(17,413)
|
|
0
|
| Transfers into (out of) Level 3(1) |
|
|
45,119
|
116,990
|
| Fair Value, End of Period |
433,144
|
310,288
|
433,144
|
310,288
|
| Second-Lien Senior Secured | Income Statement Location [Axis]: us-gaap:RealizedInvestmentGainsLosses |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
0
|
0
|
0
|
(12,198)
|
| Second-Lien Senior Secured | Income Statement Location [Axis]: us-gaap:UnrealizedGainLossOnInvestments |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
(23,955)
|
1,012
|
(60,628)
|
8,501
|
| Unsecured |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Fair value, beginning of period |
456,403
|
460,216
|
477,128
|
336,635
|
| Purchases of investments, net |
0
|
(2)
|
630
|
(1)
|
| Payment-in-kind |
4,713
|
6,210
|
11,858
|
13,713
|
| Proceeds from investments, net |
(2,387)
|
(30,661)
|
(32,980)
|
(33,358)
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
171
|
8,932
|
(5,227)
|
11,330
|
| Net amortization/accretion of discount/premium on investments |
5,375
|
5,914
|
10,734
|
10,516
|
| Transfers into (out of) Level 3 |
0
|
0
|
|
0
|
| Transfers into (out of) Level 3(1) |
|
|
0
|
111,857
|
| Fair Value, End of Period |
464,478
|
451,319
|
464,478
|
451,319
|
| Unsecured | Income Statement Location [Axis]: us-gaap:RealizedInvestmentGainsLosses |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
203
|
710
|
2,335
|
85
|
| Unsecured | Income Statement Location [Axis]: us-gaap:UnrealizedGainLossOnInvestments |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
171
|
8,932
|
(5,227)
|
11,872
|
| Specialty Finance |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Fair value, beginning of period |
38,000
|
28,961
|
37,452
|
5,041
|
| Purchases of investments, net |
2,830
|
2,337
|
2,830
|
5,603
|
| Payment-in-kind |
78
|
172
|
694
|
172
|
| Proceeds from investments, net |
(134)
|
0
|
(202)
|
0
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
1
|
0
|
1
|
(16)
|
| Net amortization/accretion of discount/premium on investments |
(1)
|
0
|
(1)
|
0
|
| Transfers into (out of) Level 3 |
0
|
0
|
|
0
|
| Transfers into (out of) Level 3(1) |
|
|
0
|
20,670
|
| Fair Value, End of Period |
40,774
|
31,470
|
40,774
|
31,470
|
| Specialty Finance | Income Statement Location [Axis]: us-gaap:RealizedInvestmentGainsLosses |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
0
|
0
|
0
|
0
|
| Specialty Finance | Income Statement Location [Axis]: us-gaap:UnrealizedGainLossOnInvestments |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
1
|
0
|
1
|
(16)
|
| Preferred |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Fair value, beginning of period |
982,150
|
948,590
|
1,072,481
|
686,858
|
| Purchases of investments, net |
0
|
31,565
|
58,989
|
31,565
|
| Payment-in-kind |
25,442
|
23,295
|
37,661
|
33,158
|
| Proceeds from investments, net |
(7,205)
|
(7,693)
|
(58,350)
|
(11,580)
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
(46,998)
|
19,138
|
(160,536)
|
12,986
|
| Net amortization/accretion of discount/premium on investments |
251
|
971
|
741
|
1,210
|
| Transfers into (out of) Level 3 |
0
|
0
|
|
0
|
| Transfers into (out of) Level 3(1) |
|
|
0
|
261,630
|
| Fair Value, End of Period |
951,696
|
1,015,942
|
951,696
|
1,015,942
|
| Preferred | Income Statement Location [Axis]: us-gaap:RealizedInvestmentGainsLosses |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
(17,877)
|
76
|
(10,549)
|
115
|
| Preferred | Income Statement Location [Axis]: us-gaap:UnrealizedGainLossOnInvestments |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
(31,065)
|
19,138
|
(149,277)
|
12,986
|
| Common |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Fair value, beginning of period |
564,590
|
547,583
|
684,030
|
468,725
|
| Purchases of investments, net |
11,052
|
1,811
|
32,228
|
11,324
|
| Payment-in-kind |
0
|
0
|
0
|
0
|
| Proceeds from investments, net |
(28,853)
|
(833)
|
(163,121)
|
(833)
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
21,562
|
8,021
|
(53,798)
|
15,029
|
| Net amortization/accretion of discount/premium on investments |
0
|
0
|
0
|
0
|
| Transfers into (out of) Level 3 |
0
|
0
|
|
(3,092)
|
| Transfers into (out of) Level 3(1) |
|
|
0
|
65,528
|
| Fair Value, End of Period |
455,042
|
556,568
|
455,042
|
556,568
|
| Common | Income Statement Location [Axis]: us-gaap:RealizedInvestmentGainsLosses |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
4,309
|
0
|
112,077
|
0
|
| Common | Income Statement Location [Axis]: us-gaap:UnrealizedGainLossOnInvestments |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
(96,056)
|
8,007
|
(210,172)
|
14,916
|
| Specialty Finance |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Fair value, beginning of period |
169,497
|
166,350
|
215,864
|
69,836
|
| Purchases of investments, net |
1,389
|
8,832
|
2,038
|
15,713
|
| Payment-in-kind |
0
|
0
|
0
|
0
|
| Proceeds from investments, net |
(1,487)
|
13,387
|
(47,722)
|
13,311
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
(119)
|
4,876
|
(900)
|
3,203
|
| Net amortization/accretion of discount/premium on investments |
0
|
0
|
0
|
0
|
| Transfers into (out of) Level 3 |
0
|
0
|
|
0
|
| Transfers into (out of) Level 3(1) |
|
|
0
|
91,382
|
| Fair Value, End of Period |
169,280
|
193,445
|
169,280
|
193,445
|
| Specialty Finance | Income Statement Location [Axis]: us-gaap:RealizedInvestmentGainsLosses |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
0
|
0
|
0
|
0
|
| Specialty Finance | Income Statement Location [Axis]: us-gaap:UnrealizedGainLossOnInvestments |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
(119)
|
4,876
|
(900)
|
3,203
|
| Total |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Fair value, beginning of period |
13,205,096
|
11,534,871
|
13,590,644
|
6,074,522
|
| Purchases of investments, net |
733,873
|
787,661
|
1,733,758
|
1,182,246
|
| Payment-in-kind |
46,862
|
47,992
|
83,039
|
76,284
|
| Proceeds from investments, net |
(207,142)
|
(290,474)
|
(1,248,388)
|
(542,661)
|
| Net amortization/accretion of discount/premium on investments |
12,515
|
14,661
|
25,214
|
24,044
|
| Transfers into (out of) Level 3 |
72,218
|
(91,927)
|
|
(3,092)
|
| Transfers into (out of) Level 3(1) |
|
|
30,822
|
5,199,673
|
| Fair Value, End of Period |
13,682,085
|
12,076,329
|
13,682,085
|
12,076,329
|
| Total | Income Statement Location [Axis]: us-gaap:RealizedInvestmentGainsLosses |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
(15,150)
|
4,281
|
88,418
|
(8,470)
|
| Total | Income Statement Location [Axis]: us-gaap:UnrealizedGainLossOnInvestments |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Net change in unrealized gain (loss) / Net realized gains (losses) |
$ (166,187)
|
$ 69,264
|
$ (621,422)
|
$ 73,783
|