v3.26.1
Income Taxes - Reconciliation of federal income tax rate (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Tax          
Taxes computed at statutory rate $ 213,000 $ 312,000 $ 601,000 $ 666,000  
State income tax expense, net of federal effect (49,000) 49,000 15,000 106,000  
Tax -exempt interest income (36,000) (42,000) (74,000) (84,000)  
Income from BOLI (27,000) (26,000) (54,000) (51,000)  
Tefra disallowance 16,000 17,000 31,000 31,000  
Federal tax credits   (48,000)   (48,000)  
Other   (17,000)      
Total income tax (benefit) expense $ 117,000 $ 245,000 $ 519,000 $ 620,000  
Tax Jurisdiction of Domicile [Extensible Enumeration] country:US country:US country:US country:US  
Rate          
Taxes computed at statutory rate 21.00% 21.00% 21.00% 21.00% 21.00%
State income tax expense, net of federal effect (5.00%) 3.00% 1.00% 4.00%  
Tax -exempt interest income (4.00%) (3.00%) (3.00%) (2.00%)  
Income from BOLI (2.00%) (2.00%) (2.00%) (2.00%)  
Tefra disallowance 2.00% 1.00% 1.00% 1.00%  
Federal tax credits   (3.00%)   (2.00%)  
Other   (1.00%)      
Total income tax (benefit) expense 12.00% 16.00% 18.00% 20.00%