v3.26.1
Loans Receivable and the Allowance for Credit Losses - Schedule of activity in the allowance for credit loss by loan segment (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Loans Receivable and the Allowance for Credit Losses      
Beginning balance $ 4,731,000 $ 4,830,000 $ 4,830,000
Charge-offs (27,000) (117,000) (702,000)
Recoveries   352,000  
Provision (reversal of) (112,000) 62,000  
Ending balance 4,592,000 5,127,000 4,731,000
Residential Real Estate      
Loans Receivable and the Allowance for Credit Losses      
Beginning balance 1,646,000 1,900,000 1,900,000
Provision (reversal of) (126,000) 324,000  
Ending balance 1,520,000 2,224,000 1,646,000
Non-residential Real Estate      
Loans Receivable and the Allowance for Credit Losses      
Beginning balance 249,000 308,000 308,000
Recoveries   350,000  
Provision (reversal of) 15,000 (387,000)  
Ending balance 264,000 271,000 249,000
Construction      
Loans Receivable and the Allowance for Credit Losses      
Beginning balance 2,035,000 1,937,000 1,937,000
Provision (reversal of) (20,000) (221,000)  
Ending balance 2,015,000 1,716,000 2,035,000
Commercial and Industrial      
Loans Receivable and the Allowance for Credit Losses      
Beginning balance 743,000 520,000 520,000
Provision (reversal of) 13,000 86,000  
Ending balance 756,000 606,000 743,000
Consumer      
Loans Receivable and the Allowance for Credit Losses      
Beginning balance 58,000 165,000 165,000
Charge-offs (27,000) (117,000) (702,000)
Recoveries   2,000  
Provision (reversal of) 6,000 260,000  
Ending balance $ 37,000 $ 310,000 $ 58,000