v3.26.1
Debt - Maturity of Debt Obligations (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Total $ 16,541,007 $ 15,745,192
Less than 1 year 850,000  
1-3 Years 2,819,816  
3-5 Years 7,259,591  
After 5 years 5,611,600  
SPV Asset Facility I | Line of Credit    
Debt Instrument [Line Items]    
Total 238,600 238,600
Less than 1 year 0  
1-3 Years 0  
3-5 Years 0  
After 5 years 238,600  
SPV Asset Facility II | Line of Credit    
Debt Instrument [Line Items]    
Total 932,000 932,000
Less than 1 year 0  
1-3 Years 0  
3-5 Years 932,000  
After 5 years 0  
SPV Asset Facility III | Line of Credit    
Debt Instrument [Line Items]    
Total 1,233,500 1,233,500
Less than 1 year 0  
1-3 Years 0  
3-5 Years 1,233,500  
After 5 years 0  
SPV Asset Facility IV | Line of Credit    
Debt Instrument [Line Items]    
Total 240,000 175,000
Less than 1 year 0  
1-3 Years 0  
3-5 Years 0  
After 5 years 240,000  
SPV Asset Facility V | Line of Credit    
Debt Instrument [Line Items]    
Total 606,250 606,250
Less than 1 year 0  
1-3 Years 0  
3-5 Years 606,250  
After 5 years 0  
SPV Asset Facility VI | Line of Credit    
Debt Instrument [Line Items]    
Total 746,000 646,000
Less than 1 year 0  
1-3 Years 0  
3-5 Years 0  
After 5 years 746,000  
SPV Asset Facility VII | Line of Credit    
Debt Instrument [Line Items]    
Total 463,319 463,585
Less than 1 year 0  
1-3 Years 0  
3-5 Years 463,319  
After 5 years 0  
SPV Asset Facility VIII | Line of Credit    
Debt Instrument [Line Items]    
Total 587,500 587,500
Less than 1 year 0  
1-3 Years 0  
3-5 Years 0  
After 5 years 587,500  
SPV Asset Facility IX | Line of Credit    
Debt Instrument [Line Items]    
Total 230,000 230,000
Less than 1 year 0  
1-3 Years 0  
3-5 Years 230,000  
After 5 years 0  
SPV Asset Facility X | Line of Credit    
Debt Instrument [Line Items]    
Total 250,000  
Less than 1 year 0  
1-3 Years 0  
3-5 Years 0  
After 5 years 250,000  
SPV Asset Facility XI | Secured Debt    
Debt Instrument [Line Items]    
Total 218,000  
Less than 1 year 0  
1-3 Years 218,000  
3-5 Years 0  
After 5 years 0  
CLO VIII | Secured Debt    
Debt Instrument [Line Items]    
Total 375,000 375,000
Less than 1 year 0  
1-3 Years 0  
3-5 Years 0  
After 5 years 375,000  
CLO XI | Secured Debt    
Debt Instrument [Line Items]    
Total 260,000 260,000
Less than 1 year 0  
1-3 Years 0  
3-5 Years 0  
After 5 years 260,000  
CLO XV | Secured Debt    
Debt Instrument [Line Items]    
Total 312,000 312,000
Less than 1 year 0  
1-3 Years 0  
3-5 Years 0  
After 5 years 312,000  
CLO XVI | Secured Debt    
Debt Instrument [Line Items]    
Total 420,000 420,000
Less than 1 year 0  
1-3 Years 0  
3-5 Years 0  
After 5 years 420,000  
CLO XVII | Secured Debt    
Debt Instrument [Line Items]    
Total 325,000 325,000
Less than 1 year 0  
1-3 Years 0  
3-5 Years 0  
After 5 years 325,000  
CLO XVIII | Secured Debt    
Debt Instrument [Line Items]    
Total 260,000 260,000
Less than 1 year 0  
1-3 Years 0  
3-5 Years 0  
After 5 years 260,000  
CLO XIX | Secured Debt    
Debt Instrument [Line Items]    
Total 260,000 260,000
Less than 1 year 0  
1-3 Years 0  
3-5 Years 0  
After 5 years 260,000  
CLO XXII | Secured Debt    
Debt Instrument [Line Items]    
Total 737,500 737,500
Less than 1 year 0  
1-3 Years 0  
3-5 Years 0  
After 5 years 737,500  
CLO XXIV | Line of Credit    
Debt Instrument [Line Items]    
Total 600,000  
Less than 1 year 0  
1-3 Years 0  
3-5 Years 0  
After 5 years 600,000  
CLO XXIV | Secured Debt    
Debt Instrument [Line Items]    
Total 600,000  
September 2026 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Total 350,000 350,000
Less than 1 year 350,000  
1-3 Years 0  
3-5 Years 0  
After 5 years 0  
February 2027 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Total 500,000 500,000
Less than 1 year 500,000  
1-3 Years 0  
3-5 Years 0  
After 5 years 0  
September 2027 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Total 600,000 600,000
Less than 1 year 0  
1-3 Years 600,000  
3-5 Years 0  
After 5 years 0  
AUD 2027 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Total 301,816 300,771
Less than 1 year 0  
1-3 Years 301,816  
3-5 Years 0  
After 5 years 0  
May 2028 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Total 500,000 500,000
Less than 1 year 0  
1-3 Years 500,000  
3-5 Years 0  
After 5 years 0  
June 2028 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Total 650,000 650,000
Less than 1 year 0  
1-3 Years 650,000  
3-5 Years 0  
After 5 years 0  
January 2029 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Total 550,000 550,000
Less than 1 year 0  
1-3 Years 550,000  
3-5 Years 0  
After 5 years 0  
September 2029 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Total 900,000 900,000
Less than 1 year 0  
1-3 Years 0  
3-5 Years 900,000  
After 5 years 0  
March 2030 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Total 1,000,000 1,000,000
Less than 1 year 0  
1-3 Years 0  
3-5 Years 1,000,000  
After 5 years 0  
EUR 2031 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Total 576,212 587,218
Less than 1 year 0  
1-3 Years 0  
3-5 Years 576,212  
After 5 years 0  
March 2031 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Total 750,000 750,000
Less than 1 year 0  
1-3 Years 0  
3-5 Years 750,000  
After 5 years 0  
Revolving Credit Facility | Revolving Credit Facility | Line of Credit    
Debt Instrument [Line Items]    
Total 568,310 $ 995,268
Less than 1 year 0  
1-3 Years 0  
3-5 Years 568,310  
After 5 years $ 0