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Summary of Significant Accounting Policies - Schedule of Premises and Equipment, Net (Details)
Dec. 31, 2025
Buildings  
Premises and equipment  
Estimated useful life 25 years
Building improvements  
Premises and equipment  
Estimated useful life 15 years
Furniture, fixtures and equipment, including computer equipment | Minimum  
Premises and equipment  
Estimated useful life 3 years
Furniture, fixtures and equipment, including computer equipment | Maximum  
Premises and equipment  
Estimated useful life 7 years