v3.26.1
Significant Estimates and Concentrations of Credit Risks - Additional Information (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Loans Receivable | Geographic Concentration | Alabama Arkansas Florida Texas And New York    
Commitment And Contingencies [Line Items]    
Concentration percentage 79.40%  
Loans Receivable | Commercial Real Estate | Credit Concentration    
Commitment And Contingencies [Line Items]    
Concentration percentage 53.30% 53.20%
Loans Receivable | Residential Real Estate | Credit Concentration    
Commitment And Contingencies [Line Items]    
Concentration percentage 21.30% 20.90%
Total Stockholders' Equity | Commercial Real Estate | Credit Concentration    
Commitment And Contingencies [Line Items]    
Concentration percentage 191.50% 194.30%
Total Stockholders' Equity | Residential Real Estate | Credit Concentration    
Commitment And Contingencies [Line Items]    
Concentration percentage 76.60% 76.20%
Residential Real Estate Loans | Geographic Concentration | Alabama Arkansas Florida Texas And New York    
Commitment And Contingencies [Line Items]    
Concentration percentage 83.50%