v3.26.1
Borrowings - Schedule of Repurchase Agreement and Revolving Line of Credit Borrowings (Details)
$ in Thousands, € in Millions, £ in Millions
Mar. 31, 2026
USD ($)
Mar. 31, 2026
EUR (€)
Mar. 31, 2026
GBP (£)
Dec. 31, 2025
USD ($)
Secured Debt        
Debt Instrument [Line Items]        
Amount Outstanding $ 3,060,414      
Secured Debt | Line of Credit        
Debt Instrument [Line Items]        
Maximum Facility Size 4,579,440      
Available Capacity 1,535,026      
Amount Outstanding 3,044,414     $ 2,582,412
Fair Value 3,044,335     2,582,576
Secured Debt | Term Lending Agreements        
Debt Instrument [Line Items]        
Amount Outstanding 223,397      
Secured Debt | Term Lending Agreements | Line of Credit        
Debt Instrument [Line Items]        
Fair Value $ 223,397     223,033
Secured Debt | Term Lending Agreements | Line of Credit | INCREF Lending II        
Debt Instrument [Line Items]        
Weighted Average Interest rate (in percent) 5.94% 5.94% 5.94%  
Maximum Facility Size $ 300,000      
Available Capacity 144,603      
Amount Outstanding 155,397     155,027
Fair Value $ 155,397     155,033
Secured Debt | Term Lending Agreements | Line of Credit | INCREF Lending III        
Debt Instrument [Line Items]        
Weighted Average Interest rate (in percent) 5.17% 5.17% 5.17%  
Maximum Facility Size $ 72,840      
Available Capacity 4,840      
Amount Outstanding 68,000     68,000
Fair Value $ 68,000     68,000
Secured Debt | Secured Lending Agreements | Line of Credit | Morgan Stanley Bank        
Debt Instrument [Line Items]        
Weighted Average Interest rate (in percent) 5.33% 5.33% 5.33%  
Maximum Facility Size $ 750,000      
Available Capacity 69,430      
Amount Outstanding 680,570     713,335
Fair Value $ 680,474     713,335
Secured Debt | Secured Lending Agreements | Line of Credit | Citibank        
Debt Instrument [Line Items]        
Weighted Average Interest rate (in percent) 5.07% 5.07% 5.07%  
Maximum Facility Size $ 1,000,000      
Available Capacity 417,996      
Amount Outstanding 582,004     590,301
Fair Value $ 582,004 € 189.4 £ 192.8 590,401
Secured Debt | Secured Lending Agreements | Line of Credit | Barclays        
Debt Instrument [Line Items]        
Weighted Average Interest rate (in percent) 5.15% 5.15% 5.15%  
Maximum Facility Size $ 500,000      
Available Capacity 77,106      
Amount Outstanding 422,894     328,897
Fair Value $ 422,894     328,897
Secured Debt | Secured Lending Agreements | Line of Credit | Wells Fargo        
Debt Instrument [Line Items]        
Weighted Average Interest rate (in percent) 5.16% 5.16% 5.16%  
Maximum Facility Size $ 1,200,000      
Available Capacity 629,095      
Amount Outstanding 570,905     340,663
Fair Value $ 570,892   £ 125.0 340,664
Secured Debt | Secured Lending Agreements | Line of Credit | Bank of Montreal        
Debt Instrument [Line Items]        
Weighted Average Interest rate (in percent) 5.00% 5.00% 5.00%  
Maximum Facility Size $ 256,600      
Available Capacity 0      
Amount Outstanding 256,600     256,600
Fair Value $ 256,600     256,600
Secured Debt | Secured Lending Agreements | Line of Credit | INCREF Repurchase I        
Debt Instrument [Line Items]        
Weighted Average Interest rate (in percent) 5.15% 5.15% 5.15%  
Maximum Facility Size $ 250,000      
Available Capacity 74,964      
Amount Outstanding 175,036     129,589
Fair Value $ 175,066     129,646
Secured Debt | Secured Lending Agreements | Line of Credit | INCREF Repurchase II        
Debt Instrument [Line Items]        
Weighted Average Interest rate (in percent) 5.12% 5.12% 5.12%  
Maximum Facility Size $ 250,000      
Available Capacity 116,992      
Amount Outstanding 133,008      
Fair Value 133,008      
Revolving Credit Facility        
Debt Instrument [Line Items]        
Amount Outstanding $ 16,000      
Revolving Credit Facility | Line of Credit        
Debt Instrument [Line Items]        
Weighted Average Interest rate (in percent) 6.57% 6.57% 6.57%  
Maximum Facility Size $ 162,000      
Available Capacity 146,000      
Amount Outstanding 16,000     55,000
Fair Value $ 16,000     $ 55,000