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Loans and Investments - Concentration of Credit Risk (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2026
loan
borrower
Dec. 31, 2025
loan
borrower
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]    
Number of loans 545 632
Total Assets | Credit risk concentration    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]    
Number of loans 33 65
Number of different borrowers | borrower 5 5
Total Assets | Credit risk concentration | Five Borrowers    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]    
Concentration risk, percentage 8.00% 9.00%
Loans and investments portfolio | Credit risk concentration | Texas and Florida    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]    
Concentration risk, percentage 23.00% 17.00%