v3.26.1
Benefits Plans - Net periodic pension expense (Details) - Pension Plan - DRP - USD ($)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Net periodic pension expense:    
Service cost $ 28,000 $ 21,000
Interest cost 23,000 19,000
Actuarial gain recognized (9,000) (10,000)
Total net periodic pension expense included in other non-interest expenses 42,000 30,000
Unrecognized net gain (loss) $ 21,000 $ (10,000)