Quarterly report [Sections 13 or 15(d)]

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Schedule of Activity in Accumulated Other Comprehensive Income (Loss), Net of Tax) (Details)

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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Schedule of Activity in Accumulated Other Comprehensive Income (Loss), Net of Tax) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Activity in accumulated other comprehensive loss, net of tax    
Balance $ 552,851 $ 495,317
Other comprehensive income (loss) during the period (2,332) 3,599
Balance 559,912 512,575
Interest Rate Swap [Member]    
Activity in accumulated other comprehensive loss, net of tax    
Balance 2,676 3,971
Other comprehensive income (loss) during the period (148) (525)
Balance 2,528 3,446
Securities Available for Sale [Member]    
Activity in accumulated other comprehensive loss, net of tax    
Balance (9,530) (20,179)
Other comprehensive income (loss) during the period (2,184) 4,124
Balance (11,714) (16,055)
Retirement Plans [Member]    
Activity in accumulated other comprehensive loss, net of tax    
Balance 9,441 9,722
Other comprehensive income (loss) during the period 0 0
Balance 9,441 9,722
Accumulated Other Comprehensive Income (Loss), Net of Taxes [Member]    
Activity in accumulated other comprehensive loss, net of tax    
Balance 2,587 (6,486)
Other comprehensive income (loss) during the period (2,332) 3,599
Balance $ 255 $ (2,887)