v3.26.1
Commercial Real Estate Loan Investments - Schedule of Property Type And Geographic Distribution (Details) - Commercial real estate loan investments
$ in Thousands, € in Millions, £ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2026
GBP (£)
Jun. 30, 2026
EUR (€)
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value $ 6,062,942 $ 4,702,728    
Commercial Real Estate Loan Investments Benchmark | Property Type Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 100.00% 100.00%    
Commercial Real Estate Loan Investments Benchmark | Geographic Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 100.00% 100.00%    
United States        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value $ 4,877,326 $ 4,100,380    
United States | Commercial Real Estate Loan Investments Benchmark | Geographic Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 80.50% 87.20%    
East        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value $ 1,963,819 $ 1,541,558    
East | Commercial Real Estate Loan Investments Benchmark | Geographic Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 32.40% 32.80%    
South        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value $ 1,569,544 $ 1,363,352    
South | Commercial Real Estate Loan Investments Benchmark | Geographic Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 25.90% 29.00%    
West        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value $ 1,213,425 $ 1,065,183    
West | Commercial Real Estate Loan Investments Benchmark | Geographic Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 20.00% 22.60%    
Midwest        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value $ 130,538 $ 130,287    
Midwest | Commercial Real Estate Loan Investments Benchmark | Geographic Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 2.20% 2.80%    
Non-US        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value $ 1,185,616 $ 602,348    
Non-US | Commercial Real Estate Loan Investments Benchmark | Geographic Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 19.50% 12.80%    
United Kingdom        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value $ 740,191 $ 324,365 £ 558.9  
United Kingdom | Commercial Real Estate Loan Investments Benchmark | Geographic Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 12.20% 6.90%    
Europe        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value $ 445,425 $ 277,983    
Europe | Commercial Real Estate Loan Investments Benchmark | Geographic Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 7.30% 5.90%    
France, Spain, Italy, Germany, and Netherlands        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value | €       € 390.5
Multifamily        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value $ 2,861,340 $ 2,292,433    
Multifamily | Commercial Real Estate Loan Investments Benchmark | Property Type Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 47.20% 48.70%    
Industrial        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value $ 2,596,798 $ 1,870,741    
Industrial | Commercial Real Estate Loan Investments Benchmark | Property Type Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 42.80% 39.80%    
Student housing        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value $ 348,399 $ 343,204    
Student housing | Commercial Real Estate Loan Investments Benchmark | Property Type Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 5.70% 7.30%    
Self-storage        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value $ 215,855 $ 196,350    
Self-storage | Commercial Real Estate Loan Investments Benchmark | Property Type Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 3.60% 4.20%    
Medical office        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value $ 40,550 $ 0    
Medical office | Commercial Real Estate Loan Investments Benchmark | Property Type Concentration Risk        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Concentration risk (in percent) 0.70% 0.00%