v3.26.1
Consolidated Schedule of Investments - Interest Rate Swaps and Forward Contracts (Parenthetical)
€ in Thousands, £ in Thousands, $ in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Mar. 31, 2026
GBP (£)
Mar. 31, 2026
EUR (€)
Mar. 31, 2026
CAD ($)
Mar. 31, 2026
AUD ($)
Dec. 31, 2025
GBP (£)
Dec. 31, 2025
EUR (€)
Dec. 31, 2025
AUD ($)
Open Swap Contract, Identifier [Axis]: Foreign currency forward contract 1                  
Schedule of Investments [Line Items]                  
Notional Amount $ 126,079,000 $ 126,248,000 £ 94,190       £ 94,190    
Unrealized Appreciation (Depreciation)(a) 1,489,000 (668,000)              
Open Swap Contract, Identifier [Axis]: Foreign currency forward contract 2                  
Schedule of Investments [Line Items]                  
Notional Amount 247,532,000 19,549,000 208,670       £ 14,775    
Unrealized Appreciation (Depreciation)(a) 5,231,000 (359,000)              
Open Swap Contract, Identifier [Axis]: Foreign currency forward contract 3                  
Schedule of Investments [Line Items]                  
Notional Amount 6,296,000 247,528,000   € 5,301       € 208,670  
Unrealized Appreciation (Depreciation)(a) 141,000 256,000              
Open Swap Contract, Identifier [Axis]: Foreign currency forward contract 4                  
Schedule of Investments [Line Items]                  
Notional Amount 1,730,000 6,296,000   € 2,580       € 5,301  
Unrealized Appreciation (Depreciation)(a) (50,000) 15,000              
Open Swap Contract, Identifier [Axis]: Foreign currency forward contract 5                  
Schedule of Investments [Line Items]                  
Notional Amount 19,760,000 1,685,000 £ 14,775           $ 2,580
Unrealized Appreciation (Depreciation)(a) 216,000 (37,000)              
Open Swap Contract, Identifier [Axis]: Foreign currency forward contract 6                  
Schedule of Investments [Line Items]                  
Notional Amount 2,186,000       $ 2,967        
Unrealized Appreciation (Depreciation)(a) 36,000                
Open Swap Contract, Identifier [Axis]: Foreign currency forward contract 7                  
Schedule of Investments [Line Items]                  
Notional Amount 81,237,000       $ 111,549        
Unrealized Appreciation (Depreciation)(a) 431,000                
Open Swap Contract, Identifier [Axis]: Foreign currency forward contract 8                  
Schedule of Investments [Line Items]                  
Notional Amount 500,000         $ 352      
Unrealized Appreciation (Depreciation)(a) (7,000)                
Open Swap Contract, Identifier [Axis]: Foreign currency forward contracts                  
Schedule of Investments [Line Items]                  
Unrealized Appreciation (Depreciation)(a) $ 7,487,000 $ (793,000)              
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Unrealized Appreciation (Depreciation)(a) Unrealized Appreciation (Depreciation)(a)              
Open Swap Contract, Identifier [Axis]: Interest Rate Swap, 2027 Notes                  
Schedule of Investments [Line Items]                  
Fixed interest rate 2.63% 2.63% 2.63% 2.63% 2.63% 2.63% 2.63% 2.63% 2.63%
Basis spread on variable rate 0.907% 176.90% 0.907% 0.907% 0.907% 0.907% 176.90% 176.90% 176.90%
Notional Amount $ 500,000,000 $ 500,000,000              
Fair Value (826,000) (13,370,000)              
Upfront Payments/Receipts 0 0              
Unrealized Appreciation (Depreciation)(a) $ (826,000) $ 18,461,000              
Open Swap Contract, Identifier [Axis]: Interest Rate Swap, 2029 Notes                  
Schedule of Investments [Line Items]                  
Fixed interest rate 5.95% 5.95% 5.95% 5.95% 5.95% 5.95% 5.95% 5.95% 5.95%
Basis spread on variable rate 2.255% 225.50% 2.255% 2.255% 2.255% 2.255% 225.50% 225.50% 225.50%
Notional Amount $ 600,000,000 $ 600,000,000              
Fair Value (605,000) 3,645,000              
Upfront Payments/Receipts 0 0              
Unrealized Appreciation (Depreciation)(a) $ (605,000) $ 8,799,000              
Open Swap Contract, Identifier [Axis]: Interest Rate Swap, 2029 Notes 1                  
Schedule of Investments [Line Items]                  
Fixed interest rate 5.95% 5.95% 5.95% 5.95% 5.95% 5.95% 5.95% 5.95% 5.95%
Basis spread on variable rate 1.922% 192.20% 1.922% 1.922% 1.922% 1.922% 192.20% 192.20% 192.20%
Notional Amount $ 400,000,000 $ 400,000,000              
Fair Value 4,011,000 7,185,000              
Upfront Payments/Receipts 0 0              
Unrealized Appreciation (Depreciation)(a) $ 4,011,000 $ 8,441,000              
Open Swap Contract, Identifier [Axis]: Interest Rate Swap, 2030 Notes                  
Schedule of Investments [Line Items]                  
Fixed interest rate 6.20% 6.20% 6.20% 6.20% 6.20% 6.20% 6.20% 6.20% 6.20%
Basis spread on variable rate 2.392% 239.20% 2.392% 2.392% 2.392% 2.392% 239.20% 239.20% 239.20%
Notional Amount $ 500,000,000 $ 500,000,000              
Fair Value 2,033,000 5,663,000              
Upfront Payments/Receipts 0 0              
Unrealized Appreciation (Depreciation)(a) 2,033,000 5,663,000              
Open Swap Contract, Identifier [Axis]: Interest Rate Swaps                  
Schedule of Investments [Line Items]                  
Notional Amount 2,000,000,000 2,000,000,000              
Fair Value 4,613,000 3,123,000              
Unrealized Appreciation (Depreciation)(a) $ 4,613,000 $ 41,364,000