v3.26.1
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Schedule of Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Interest income $ 95,148 $ 94,385 $ 187,135 $ 184,840
Income tax expense (6,268) (5,964) (12,345) (10,119)
Other expense (2,305) (2,295) (5,031) (4,943)
Net income 28,440 26,966 54,918 47,051
Amount Reclassified From Accumulated Other Comprehensive Income (Loss)        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net income (398) (397) (797) (794)
Amount Reclassified From Accumulated Other Comprehensive Income (Loss) | Unrealized Gains and Losses on Available- for-Sales Securities        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Interest income (489) (489) (978) (979)
Income tax expense 103 102 205 205
Net income (386) (387) (773) (774)
Amount Reclassified From Accumulated Other Comprehensive Income (Loss) | Defined Benefit Pension Items        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income tax expense 4 3 8 6
Other expense (16) (13) (32) (26)
Net income $ (12) $ (10) $ (24) $ (20)