v3.26.1
Consolidated Variable Interest Entities Assets and Liabilities, CMBS Trusts, at Fair Value - Schedule of Concentration of Credit Risk (Details) - Commercial Mortgage-Backed Securities - Primary beneficiary
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 100.00% 100.00%
Product concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 100.00% 100.00%
Product concentration risk | Retail    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 27.90% 24.10%
Product concentration risk | Office    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 23.40% 26.60%
Product concentration risk | Self-Storage    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 15.20% 1.80%
Product concentration risk | Multifamily    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 12.40% 11.70%
Product concentration risk | Mixed Use    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 10.30% 13.00%
Product concentration risk | Co-op    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 9.20% 22.80%
Product concentration risk | Hospitality    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 1.10% 0.00%
Product concentration risk | Manufactured Housing    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 0.50% 0.00%
New York | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 39.80% 46.20%
California | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 14.80% 17.40%
Arizona | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 8.70% 5.10%
Maryland | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 7.20% 9.90%
Oregon | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 4.00% 10.00%
Florida | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 3.20% 1.40%
North Carolina | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 2.80% 2.20%
Texas | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 2.80% 0.00%
Pennsylvania | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 2.30% 0.00%
Ohio | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 1.70% 1.00%
Wisconsin | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 1.60% 0.00%
Tennessee | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 1.20% 1.20%
Massachusetts | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 1.20% 0.00%
Virginia | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 1.10% 0.00%
Missouri | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 1.10% 0.00%
Other | Geographic concentration risk    
Concentration Risk [Line Items]    
Concentration of credit risk (as a percent) 6.50% 5.60%