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COMMERCIAL LOANS AND INVESTMENTS - Obligation Under Participation Agreement (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
2025 Mortgage Note - Portfolio    
Participating Mortgage Loans [Line Items]    
Original Face Amount   $ 29.5
Amount of participation interest sold $ 61.3 10.0
Carrying value, net of loan participation sale 20.8  
Mortgage note originated in 2025    
Participating Mortgage Loans [Line Items]    
Amount of participation interest sold $ 10.8 $ 10.0
Interest rate (as a percent) 10.00% 10.00%