v3.26.1
Core Deposit Intangibles (Details) - USD ($)
12 Months Ended
Oct. 16, 2020
Dec. 31, 2017
Jun. 30, 2026
Dec. 31, 2025
Core Deposit Intangibles        
Core deposit intangibles, net     $ 46,000 $ 138,000
Core Deposit Intangibles        
Core Deposit Intangibles        
Accumulated amortization     $ 2,600,000 $ 2,500,000
Core Deposit Intangibles | Loomis Federal Savings and Loan Association        
Core Deposit Intangibles        
Finite-lived intangible assets acquired $ 3,000      
Core Deposit Intangibles | Other business acquisitions        
Core Deposit Intangibles        
Finite-lived intangible assets acquired   $ 2,705,000    
Estimated useful life   120 months