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, 2025	Mar. 31, 2024
Activity in accumulated other comprehensive loss, net of tax
Balance	$ 495,317	$ 440,625
Other comprehensive income (loss) during the period	3,599	66
Balance	512,575	448,314
Interest Rate Swap [Member]
Activity in accumulated other comprehensive loss, net of tax
Balance	3,971	3,970
Other comprehensive income (loss) during the period	(525)	326
Balance	3,446	4,296
Securities Available for Sale [Member]
Activity in accumulated other comprehensive loss, net of tax
Balance	(20,179)	(25,691)
Other comprehensive income (loss) during the period	4,124	(260)
Balance	(16,055)	(25,951)
Retirement Plans [Member]
Activity in accumulated other comprehensive loss, net of tax
Balance	9,722	(425)
Other comprehensive income (loss) during the period	0	0
Balance	9,722	(425)
Accumulated Other Comprehensive (Loss) Income, Net of Taxes [Member]
Activity in accumulated other comprehensive loss, net of tax
Balance	(6,486)	(22,146)
Other comprehensive income (loss) during the period	3,599	66
Balance	$ (2,887)	$ (22,080)