v3.26.1
OTHER COMPREHENSIVE INCOME (LOSS) 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
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance $ 710,007 $ 640,054 $ 696,558 $ 531,231
Other comprehensive (loss) income before reclassifications 735 3,702 (463) 15,529
Less: Amounts reclassified from AOCI (940) (674) (1,955) (1,238)
Other comprehensive income 1,675 4,376 1,492 16,767
Ending Balance 725,926 652,148 725,926 652,148
OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, after Tax (93) 3,991 (2,073) 17,254
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax 828 (289) 1,610 (1,725)
Less: reclassification adjustment for amortization of securities transferred from AFS to HTM, after-tax amount (1,164) (1,298) (2,408) (2,437)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax   619   1,188
Accumulated Other Comprehensive Income (Loss)        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance (64,571) (82,255) (64,388) (94,646)
Ending Balance (62,896) (77,879) (62,896) (77,879)
Net Unrealized Gains (Losses) on Debt Securities(1)        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance (71,141) (89,613) (70,405) (104,015)
Other comprehensive (loss) income before reclassifications (93) 3,991 (2,073) 17,254
Less: Amounts reclassified from AOCI (1,164) (1,298) (2,408) (2,437)
Other comprehensive income 1,071 5,289 335 19,691
Ending Balance (70,070) (84,324) (70,070) (84,324)
Net Unrealized Gains (Losses) on Cash Flow Hedges(1)        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance 6,042 6,953 5,478 8,958
Other comprehensive (loss) income before reclassifications 828 (289) 1,610 (1,725)
Less: Amounts reclassified from AOCI 214 619 432 1,188
Other comprehensive income 614 (908) 1,178 (2,913)
Ending Balance 6,656 6,045 6,656 6,045
Defined Benefit Postretirement Plans(1)        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance 528 405 539 411
Other comprehensive (loss) income before reclassifications 0 0 0 0
Less: Amounts reclassified from AOCI 10 5 21 11
Other comprehensive income (10) (5) (21) (11)
Ending Balance $ 518 $ 400 $ 518 $ 400