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 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Activity in accumulated other comprehensive loss, net of tax        
Balance $ 570,095 $ 526,423 $ 552,851 $ 495,317
Other comprehensive income (loss) during the period (9,248) 2,161 (14,023) 7,707
Balance 573,862 540,635 573,862 540,635
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     (448) (1,076)
Balance 2,228 2,895 2,228 2,895
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     (13,575) 8,783
Balance (23,105) (11,396) (23,105) (11,396)
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 9,441 9,722
Accumulated Other Comprehensive (Loss) Income [Member]        
Activity in accumulated other comprehensive loss, net of tax        
Balance (2,188) (940) 2,587 (6,486)
Other comprehensive income (loss) during the period (9,248) 2,161 (14,023) 7,707
Balance $ (11,436) $ 1,221 $ (11,436) $ 1,221