Fair Value Measurement and Disclosures - Summarize the Valuation of The Company's Investments and Cash and Cash Equivalents in The Fair Value Hierarchy Levels (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
| Investments, Fair Value Disclosure [Abstract] |
|
|
| Asset Backed Debt Securities |
$ 1,307,296
|
$ 943,100
|
| Equity & Other Investments |
630,636
|
634,605
|
| Total Investments, at fair value |
1,937,932
|
1,577,705
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
55,906
|
46,042
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
6,332
|
4,986
|
| Total |
1,987,506
|
1,618,761
|
| Credit Default Swaps |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
51,632
|
44,653
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
37
|
30
|
| Interest Rate Swaps |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
|
1,389
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
6,295
|
|
| Swaptions |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
258
|
|
| Forward Currency Contracts |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
4,016
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
935
|
| Futures Contracts |
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
4,021
|
| Investments at NAV |
|
|
| Investments, Fair Value Disclosure [Abstract] |
|
|
| Equity & Other Investments |
429,518
|
381,089
|
| Total Investments, at fair value |
429,518
|
381,089
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total |
429,518
|
381,089
|
| Level I |
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
4,021
|
| Total |
|
(4,021)
|
| Level I | Futures Contracts |
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
4,021
|
| Level II |
|
|
| Investments, Fair Value Disclosure [Abstract] |
|
|
| Asset Backed Debt Securities |
77,785
|
171,415
|
| Equity & Other Investments |
1,575
|
1,850
|
| Total Investments, at fair value |
79,360
|
173,265
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
4,274
|
1,389
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
6,332
|
965
|
| Total |
77,302
|
173,689
|
| Level II | Credit Default Swaps |
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
37
|
30
|
| Level II | Interest Rate Swaps |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
|
1,389
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
6,295
|
|
| Level II | Swaptions |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
258
|
|
| Level II | Forward Currency Contracts |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
4,016
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
935
|
| Level III |
|
|
| Investments, Fair Value Disclosure [Abstract] |
|
|
| Asset Backed Debt Securities |
1,229,511
|
771,685
|
| Equity & Other Investments |
199,543
|
251,666
|
| Total Investments, at fair value |
1,429,054
|
1,023,351
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
51,632
|
44,653
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total |
1,480,686
|
1,068,004
|
| Level III | Credit Default Swaps |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
51,632
|
44,653
|
| Series I |
|
|
| Investments, Fair Value Disclosure [Abstract] |
|
|
| Asset Backed Debt Securities |
210,034
|
182,791
|
| Equity & Other Investments |
101,320
|
122,998
|
| Total Investments, at fair value |
311,354
|
305,789
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
8,982
|
8,924
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
1,017
|
966
|
| Total |
319,319
|
313,747
|
| Series I | Credit Default Swaps |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
8,296
|
8,655
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
6
|
6
|
| Series I | Interest Rate Swaps |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
41
|
269
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
1,011
|
|
| Series I | Forward Currency Contracts |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
645
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
181
|
| Series I | Futures Contracts |
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
779
|
| Series I | Investments at NAV |
|
|
| Investments, Fair Value Disclosure [Abstract] |
|
|
| Equity & Other Investments |
69,008
|
73,862
|
| Total Investments, at fair value |
69,008
|
73,862
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total |
69,008
|
73,862
|
| Series I | Level I |
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
779
|
| Total |
|
(779)
|
| Series I | Level I | Futures Contracts |
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
779
|
| Series I | Level II |
|
|
| Investments, Fair Value Disclosure [Abstract] |
|
|
| Asset Backed Debt Securities |
12,497
|
33,223
|
| Equity & Other Investments |
253
|
359
|
| Total Investments, at fair value |
12,750
|
33,582
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
686
|
269
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
1,017
|
187
|
| Total |
12,419
|
33,664
|
| Series I | Level II | Credit Default Swaps |
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
6
|
6
|
| Series I | Level II | Interest Rate Swaps |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
|
269
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
1,011
|
|
| Series I | Level II | Swaptions |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
41
|
|
| Series I | Level II | Forward Currency Contracts |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
645
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
181
|
| Series I | Level III |
|
|
| Investments, Fair Value Disclosure [Abstract] |
|
|
| Asset Backed Debt Securities |
197,537
|
149,568
|
| Equity & Other Investments |
32,059
|
48,777
|
| Total Investments, at fair value |
229,596
|
198,345
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
8,296
|
8,655
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total |
237,892
|
207,000
|
| Series I | Level III | Credit Default Swaps |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
8,296
|
8,655
|
| Series II |
|
|
| Investments, Fair Value Disclosure [Abstract] |
|
|
| Asset Backed Debt Securities |
1,097,262
|
760,309
|
| Equity & Other Investments |
529,316
|
511,607
|
| Total Investments, at fair value |
1,626,578
|
1,271,916
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
46,924
|
37,118
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
5,315
|
4,020
|
| Total |
1,668,187
|
1,305,014
|
| Series II | Credit Default Swaps |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
43,336
|
35,998
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
31
|
24
|
| Series II | Interest Rate Swaps |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
|
1,120
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
5,284
|
|
| Series II | Swaptions |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
217
|
|
| Series II | Forward Currency Contracts |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
3,371
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
754
|
| Series II | Futures Contracts |
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
3,242
|
| Series II | Investments at NAV |
|
|
| Investments, Fair Value Disclosure [Abstract] |
|
|
| Equity & Other Investments |
360,510
|
307,227
|
| Total Investments, at fair value |
360,510
|
307,227
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total |
360,510
|
|
| Series II | Level I |
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
3,242
|
| Total |
|
(3,242)
|
| Series II | Level I | Futures Contracts |
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
3,242
|
| Series II | Level II |
|
|
| Investments, Fair Value Disclosure [Abstract] |
|
|
| Asset Backed Debt Securities |
65,288
|
138,192
|
| Equity & Other Investments |
1,322
|
1,491
|
| Total Investments, at fair value |
66,610
|
139,683
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
3,588
|
1,120
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
5,315
|
778
|
| Total |
64,883
|
140,025
|
| Series II | Level II | Credit Default Swaps |
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
31
|
24
|
| Series II | Level II | Interest Rate Swaps |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
|
1,120
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
5,284
|
|
| Series II | Level II | Swaptions |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
217
|
|
| Series II | Level II | Forward Currency Contracts |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
3,371
|
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total Derivative Liabilities, at fair value |
|
754
|
| Series II | Level III |
|
|
| Investments, Fair Value Disclosure [Abstract] |
|
|
| Asset Backed Debt Securities |
1,031,974
|
622,117
|
| Equity & Other Investments |
167,484
|
202,889
|
| Total Investments, at fair value |
1,199,458
|
825,006
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
43,336
|
35,998
|
| Derivative Liabilities at Fair Value [Abstract] |
|
|
| Total |
1,242,794
|
861,004
|
| Series II | Level III | Credit Default Swaps |
|
|
| Derivative Assets At Fair Value [Abstract] |
|
|
| Total Derivative Assets, at fair value |
$ 43,336
|
$ 35,998
|