v3.26.3
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Details about Accumulated Other Comprehensive Income (Loss) Components (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net realized losses on securities available for sale     $ 0 $ (17,498)
Tax effect $ (3,802) $ (2,275) (8,925) (1,580)
Net income 12,707 7,792 30,716 7,363
Reclassification out of Accumulated Other Comprehensive Income        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net income 6 6 18 13,255
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gains and Losses on Securities Available for Sale        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net realized losses on securities available for sale     0 17,498
Tax effect     0 (4,261)
Net income     0 13,237
Reclassification out of Accumulated Other Comprehensive Income | Actuarial losses        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Pension and other employee benefits 8 8 24 24
Reclassification out of Accumulated Other Comprehensive Income | Defined Benefit and Other Benefit Plans        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Tax effect (2) (2) (6) (6)
Net income $ 6 $ 6 $ 18 $ 18