v3.26.1
Borrowings - Narrative (Details) - Line of Credit
$ in Thousands, € in Millions, £ in Millions
1 Months Ended 3 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2026
EUR (€)
Mar. 31, 2026
GBP (£)
Mar. 31, 2026
USD ($)
d
Mar. 31, 2026
EUR (€)
Mar. 31, 2026
GBP (£)
Feb. 28, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jul. 31, 2024
USD ($)
lender
Secured Debt                  
Line of Credit Facility [Line Items]                  
Maximum borrowings $ 4,579,440     $ 4,579,440          
Borrowings 3,044,335     3,044,335       $ 2,582,576  
Secured Debt | Term Lending Agreements                  
Line of Credit Facility [Line Items]                  
Borrowings 223,397     223,397       223,033  
Secured Debt | Term Lending Agreements | INCREF Lending II                  
Line of Credit Facility [Line Items]                  
Loans pledged as collateral 198,700     198,700          
Maximum borrowings 300,000     300,000          
Borrowings 155,397     155,397       155,033  
Secured Debt | Term Lending Agreements | INCREF Lending III                  
Line of Credit Facility [Line Items]                  
Loans pledged as collateral 85,000     85,000          
Maximum borrowings 72,840     72,840          
Borrowings 68,000     68,000       68,000  
Secured Debt | Secured Lending Agreements                  
Line of Credit Facility [Line Items]                  
Loans pledged as collateral                 $ 3,500,000
Number of financial institutions | lender                 7
Secured Debt | Secured Lending Agreements | INCREF Repurchase II                  
Line of Credit Facility [Line Items]                  
Loans pledged as collateral             $ 166,300    
Maximum borrowings 250,000     250,000          
Borrowings 133,008     133,008          
Secured Debt | Secured Lending Agreements | Citibank                  
Line of Credit Facility [Line Items]                  
Maximum borrowings 1,000,000     1,000,000          
Borrowings 582,004     582,004 € 189.4 £ 192.8   590,401  
Secured Debt | Secured Lending Agreements | Wells Fargo                  
Line of Credit Facility [Line Items]                  
Maximum borrowings 1,200,000     1,200,000          
Borrowings 570,892     570,892   £ 125.0   340,664  
Added capacity 700,000 € 123.0 £ 255.4            
Secured Debt | Master Repurchase Agreement | INCREF Repurchase II                  
Line of Credit Facility [Line Items]                  
Loans pledged as collateral             $ 250,000    
Revolving Credit Facility                  
Line of Credit Facility [Line Items]                  
Maximum borrowings 162,000     162,000          
Borrowings $ 16,000     $ 16,000       $ 55,000  
Revolving Credit Facility | Uncommitted Tranche, Subscription Agreements Credit Facility                  
Line of Credit Facility [Line Items]                  
Threshold business days | d       15          
Revolving Credit Facility | Funded Tranche, Subscription Agreements Credit Facility                  
Line of Credit Facility [Line Items]                  
Threshold years from issuance       3 years          
Threshold years from after notice | d       360          
Revolving Credit Facility | Subscription Agreements Credit Facility                  
Line of Credit Facility [Line Items]                  
Threshold days | d       30