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Residential Mortgage Loans - Schedule of Geographic Distribution of Residential Mortgage Loans (Details) - Mortgage Loans - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Mortgage Loans on Real Estate    
UPB $ 415,555  
% UPB 100.00%  
California    
Mortgage Loans on Real Estate    
UPB $ 117,380 $ 127,133
% UPB 28.20% 27.90%
Florida    
Mortgage Loans on Real Estate    
UPB $ 51,038 $ 55,550
% UPB 12.30% 12.20%
Texas    
Mortgage Loans on Real Estate    
UPB $ 11,986 $ 13,487
% UPB 2.90% 3.00%
New York    
Mortgage Loans on Real Estate    
UPB $ 38,119 $ 41,757
% UPB 9.20% 9.20%
New Jersey    
Mortgage Loans on Real Estate    
UPB $ 25,109 $ 27,374
% UPB 6.00% 6.00%
Maryland    
Mortgage Loans on Real Estate    
UPB $ 22,476 $ 25,083
% UPB 5.40% 5.50%
Virginia    
Mortgage Loans on Real Estate    
UPB $ 15,520 $ 17,108
% UPB 3.70% 3.80%
Illinois    
Mortgage Loans on Real Estate    
UPB $ 15,344 $ 16,741
% UPB 3.70% 3.70%
Georgia    
Mortgage Loans on Real Estate    
UPB $ 14,098 $ 15,227
% UPB 3.40% 3.30%
North Carolina    
Mortgage Loans on Real Estate    
UPB $ 10,745 $ 102,677
% UPB 2.60% 22.60%
Massachusetts    
Mortgage Loans on Real Estate    
UPB   $ 12,756
% UPB   2.80%
Other    
Mortgage Loans on Real Estate    
UPB $ 93,740 $ 454,893
% UPB 22.60% 100.00%