v3.26.1
Derivative Instruments - Summary of Fair Value of Derivative Assets and Derivative Liabilities of Series I, Series II, and Company (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Derivative [Line Items]    
Derivative Assets, Fair Value [1] $ 4,412 $ 1,060
Derivative Liabilities, Fair Value (559) (1,189) [1]
Series I [Member]    
Derivative [Line Items]    
Derivative Assets, Fair Value [1] 1,284 313
Derivative Liabilities, Fair Value [1] (168) (332)
Series II [Member]    
Derivative [Line Items]    
Derivative Assets, Fair Value [1] 3,128 747
Derivative Liabilities, Fair Value [1] $ (391) $ (857)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member]    
Derivative [Line Items]    
Settlement Date Sep. 28, 2029 Sep. 28, 2029
Derivative Assets. Notional $ 59,167,961  
Derivative Liabilities, Notional   $ 59,167,961
Derivative Assets, Fair Value 551  
Derivative Liabilities, Fair Value   (717)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 17,245,561  
Derivative Liabilities, Notional   17,167,299
Derivative Assets, Fair Value 172  
Derivative Liabilities, Fair Value   (193)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 41,922,400  
Derivative Liabilities, Notional   42,000,662
Derivative Assets, Fair Value $ 379  
Derivative Liabilities, Fair Value   $ (524)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | CitiBank, N.A. [Member]    
Derivative [Line Items]    
Settlement Date Sep. 16, 2026 Mar. 18, 2026
Derivative Assets. Notional $ 354,427  
Derivative Liabilities, Notional   $ 6,015,366
Derivative Assets, Fair Value 108  
Derivative Liabilities, Fair Value   (40)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | CitiBank, N.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 102,590  
Derivative Liabilities, Notional   1,788,557
Derivative Assets, Fair Value 31  
Derivative Liabilities, Fair Value   (12)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | CitiBank, N.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 251,835  
Derivative Liabilities, Notional   4,226,809
Derivative Assets, Fair Value $ 77  
Derivative Liabilities, Fair Value   $ (28)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | Deutsche Bank [Member]    
Derivative [Line Items]    
Settlement Date Sep. 16, 2026 Mar. 18, 2026
Derivative Assets. Notional $ 182,680  
Derivative Liabilities, Notional   $ 1,466,743
Derivative Assets, Fair Value 55  
Derivative Liabilities, Fair Value   (10)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | Deutsche Bank [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 52,878  
Derivative Liabilities, Notional   436,109
Derivative Assets, Fair Value 16  
Derivative Liabilities, Fair Value   (3)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | Deutsche Bank [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 129,802  
Derivative Liabilities, Notional   1,030,634
Derivative Assets, Fair Value $ 39  
Derivative Liabilities, Fair Value   $ (7)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | Natixis S.A. [Member]    
Derivative [Line Items]    
Settlement Date Sep. 16, 2026  
Derivative Liabilities, Notional $ 20,752  
Derivative Liabilities, Fair Value 0  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | Natixis S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Liabilities, Notional 6,006  
Derivative Liabilities, Fair Value 0  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | Natixis S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Liabilities, Notional 14,744  
Derivative Liabilities, Fair Value $ 0  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | EUR [Member] | BNP Paribas S.A. [Member]    
Derivative [Line Items]    
Settlement Date Aug. 01, 2030 Aug. 01, 2030
Derivative Assets. Notional $ 6,279,780 $ 9,289,443
Derivative Assets, Fair Value 325 163
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | EUR [Member] | BNP Paribas S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 1,849,876 2,740,421
Derivative Assets, Fair Value 96 48
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | EUR [Member] | BNP Paribas S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 4,429,904 6,549,022
Derivative Assets, Fair Value $ 229 $ 115
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | EUR [Member] | CitiBank, N.A. [Member]    
Derivative [Line Items]    
Settlement Date Sep. 16, 2026 Mar. 18, 2026
Derivative Assets. Notional $ 1,431,349 $ 24,413,967
Derivative Assets, Fair Value 357 9
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | EUR [Member] | CitiBank, N.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 414,312 7,259,040
Derivative Assets, Fair Value 103 3
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | EUR [Member] | CitiBank, N.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 1,017,039 17,154,927
Derivative Assets, Fair Value $ 254 $ 6
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | EUR [Member] | Deutsche Bank [Member]    
Derivative [Line Items]    
Settlement Date Aug. 01, 2030 Aug. 01, 2030
Derivative Assets. Notional $ 5,967,195 $ 9,222,028
Derivative Assets, Fair Value 240 58
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | EUR [Member] | Deutsche Bank [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 1,755,937 2,717,839
Derivative Assets, Fair Value 70 17
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | EUR [Member] | Deutsche Bank [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 4,211,258 6,504,189
Derivative Assets, Fair Value $ 170 $ 41
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | NOK [Member] | BNP Paribas S.A. [Member]    
Derivative [Line Items]    
Settlement Date Aug. 01, 2030 Aug. 01, 2030
Derivative Assets. Notional $ 11,589,564 $ 13,070,860
Derivative Assets, Fair Value 370 39
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | NOK [Member] | BNP Paribas S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 3,405,665 3,855,953
Derivative Assets, Fair Value 101 12
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | NOK [Member] | BNP Paribas S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 8,183,899 9,214,907
Derivative Assets, Fair Value $ 269 $ 27
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | NOK [Member] | Natixis S.A. [Member]    
Derivative [Line Items]    
Settlement Date Aug. 01, 2030 Aug. 01, 2030
Derivative Assets. Notional   $ 26,815,198
Derivative Liabilities, Notional $ 18,928,375  
Derivative Assets, Fair Value   363
Derivative Liabilities, Fair Value (207)  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | NOK [Member] | Natixis S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional   7,910,584
Derivative Liabilities, Notional 5,573,428  
Derivative Assets, Fair Value   108
Derivative Liabilities, Fair Value (70)  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | NOK [Member] | Natixis S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional   18,904,614
Derivative Liabilities, Notional 13,354,947  
Derivative Assets, Fair Value   $ 255
Derivative Liabilities, Fair Value $ (137)  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | SEK [Member] | BNP Paribas S.A. [Member]    
Derivative [Line Items]    
Settlement Date Aug. 01, 2030 Aug. 01, 2030
Derivative Assets. Notional $ 12,342,757  
Derivative Liabilities, Notional   $ 11,057,450
Derivative Assets, Fair Value 952  
Derivative Liabilities, Fair Value   (169)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | SEK [Member] | BNP Paribas S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 3,621,128  
Derivative Liabilities, Notional   3,261,989
Derivative Assets, Fair Value 276  
Derivative Liabilities, Fair Value   (50)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | SEK [Member] | BNP Paribas S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 8,721,631  
Derivative Liabilities, Notional   7,795,461
Derivative Assets, Fair Value $ 676  
Derivative Liabilities, Fair Value   $ (119)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | SEK [Member] | Natixis S.A. [Member]    
Derivative [Line Items]    
Settlement Date Aug. 01, 2030 Aug. 01, 2030
Derivative Assets. Notional $ 18,089,325  
Derivative Liabilities, Notional   $ 25,626,544
Derivative Assets, Fair Value 563  
Derivative Liabilities, Fair Value   (229)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | SEK [Member] | Natixis S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 5,326,371  
Derivative Liabilities, Notional   7,559,927
Derivative Assets, Fair Value 163  
Derivative Liabilities, Fair Value   (67)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | SEK [Member] | Natixis S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 12,762,954  
Derivative Liabilities, Notional   18,066,617
Derivative Assets, Fair Value $ 400  
Derivative Liabilities, Fair Value   $ (162)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CHF [Member] | BNP Paribas S.A. [Member]    
Derivative [Line Items]    
Settlement Date Aug. 02, 2030 Aug. 02, 2030
Derivative Assets. Notional $ 6,262,976 $ 10,755,579
Derivative Assets, Fair Value 185 195
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CHF [Member] | BNP Paribas S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 1,847,983 3,172,936
Derivative Assets, Fair Value 54 57
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CHF [Member] | BNP Paribas S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 4,414,993 7,582,643
Derivative Assets, Fair Value $ 131 $ 138
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CHF [Member] | Deutsche Bank [Member]    
Derivative [Line Items]    
Settlement Date Aug. 02, 2030 Aug. 02, 2030
Derivative Assets. Notional $ 17,424,681 $ 26,929,052
Derivative Assets, Fair Value 588 233
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CHF [Member] | Deutsche Bank [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 5,127,475 7,936,306
Derivative Assets, Fair Value 168 68
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CHF [Member] | Deutsche Bank [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 12,297,206 18,992,746
Derivative Assets, Fair Value $ 420 $ 165
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member]    
Derivative [Line Items]    
Settlement Date Sep. 16, 2026 Mar. 18, 2026
Derivative Assets. Notional $ 315,445  
Derivative Liabilities, Notional   $ 3,647,817
Derivative Assets, Fair Value 97  
Derivative Liabilities, Fair Value   (24)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 91,307  
Derivative Liabilities, Notional   1,084,611
Derivative Assets, Fair Value 28  
Derivative Liabilities, Fair Value   (7)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 224,138  
Derivative Liabilities, Notional   2,563,206
Derivative Assets, Fair Value $ 69  
Derivative Liabilities, Fair Value   $ (17)
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | EUR [Member] | BNP Paribas S.A. [Member]    
Derivative [Line Items]    
Settlement Date Sep. 16, 2026  
Derivative Assets. Notional $ 32,298  
Derivative Assets, Fair Value 4  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | EUR [Member] | BNP Paribas S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 9,349  
Derivative Assets, Fair Value 1  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | EUR [Member] | BNP Paribas S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 22,949  
Derivative Assets, Fair Value $ 3  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member]    
Derivative [Line Items]    
Settlement Date Jun. 16, 2027  
Derivative Assets. Notional $ 920,288  
Derivative Assets, Fair Value 17  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 266,382  
Derivative Assets, Fair Value 5  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Assets. Notional 653,906  
Derivative Assets, Fair Value $ 12  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member]    
Derivative [Line Items]    
Settlement Date Jun. 21, 2028  
Derivative Liabilities, Notional $ 1,035,354  
Derivative Liabilities, Fair Value (17)  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Liabilities, Notional 299,689  
Derivative Liabilities, Fair Value (5)  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Liabilities, Notional 735,667  
Derivative Liabilities, Fair Value $ (12)  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member]    
Derivative [Line Items]    
Settlement Date Jun. 20, 2029  
Derivative Liabilities, Notional $ 1,045,121  
Derivative Liabilities, Fair Value (18)  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Liabilities, Notional 302,516  
Derivative Liabilities, Fair Value (5)  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Liabilities, Notional 742,605  
Derivative Liabilities, Fair Value $ (13)  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member]    
Derivative [Line Items]    
Settlement Date Jun. 20, 2030  
Derivative Liabilities, Notional $ 843,434  
Derivative Liabilities, Fair Value (11)  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Liabilities, Notional 244,137  
Derivative Liabilities, Fair Value (3)  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Liabilities, Notional 599,299  
Derivative Liabilities, Fair Value $ (8)  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member]    
Derivative [Line Items]    
Settlement Date Jun. 18, 2031  
Derivative Liabilities, Notional $ 7,964,466  
Derivative Liabilities, Fair Value (306)  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member] | Series I [Member]    
Derivative [Line Items]    
Derivative Liabilities, Notional 2,305,355  
Derivative Liabilities, Fair Value (85)  
Foreign Currency Forward Contracts [Member] | Currency Risk [Member] | CAD [Member] | BNP Paribas S.A. [Member] | Series II [Member]    
Derivative [Line Items]    
Derivative Liabilities, Notional 5,659,111  
Derivative Liabilities, Fair Value $ (221)  
[1] Refer to Note 4. Derivative Instruments for additional information of derivative assets and derivative liabilities.