ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME, Components of Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Components of accumulated other comprehensive loss, net of tax [Abstract]
Net unrealized loss on securities available for sale		$ (35,743)	$ (47,487)
Tax effect		7,505	9,973
Net -of-tax amount		(28,238)	(37,514)
Unrealized loss on interest rate swaps [Abstract]
Unrealized gain on interest rate swaps		5,441	6,873
Tax effect		(1,142)	(1,444)
Net -of-tax amount		4,299	5,429
Unrecognized pension costs [Abstract]
Unrecognized pension costs		(1,231)	(1,336)
Tax effect		259	280
Net -of-tax amount		(972)	(1,056)
Total accumulated other comprehensive loss		(24,911)	(33,141)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance		200,147	212,492	$ 194,259
Other comprehensive income (loss) before reclassifications (net of tax)		9,899	(32,959)	(2,954)
Amounts reclassified from accumulated other comprehensive (loss) income (net of tax)		(1,669)	(27)	212
Net other comprehensive income (loss)		8,230	(32,986)	(2,742)
Balance		279,666	200,147	212,492
Accumulated Other Comprehensive Income (Loss) [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance		(33,141)	(155)	2,587
Net other comprehensive income (loss)		8,230	(32,986)	(2,742)
Balance		(24,911)	(33,141)	(155)
Unrealized Gain (Loss) on Available for Sale Securities [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	[1]	(37,514)	304	6,058
Other comprehensive income (loss) before reclassifications (net of tax)	[1]	9,237	(37,829)	(5,586)
Amounts reclassified from accumulated other comprehensive (loss) income (net of tax)	[1]	39	11	(168)
Net other comprehensive income (loss)	[1]	9,276	(37,818)	(5,754)
Balance	[1]	(28,238)	(37,514)	304
Unrealized Gain (Loss) on Interest Rate Swap [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	[1]	5,429	1,509	(9)
Other comprehensive income (loss) before reclassifications (net of tax)	[1]	610	4,034	1,403
Amounts reclassified from accumulated other comprehensive (loss) income (net of tax)	[1]	(1,740)	(114)	115
Net other comprehensive income (loss)	[1]	(1,130)	3,920	1,518
Balance	[1]	4,299	5,429	1,509
Defined Benefit Pension Items [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	[1]	(1,056)	(1,968)	(3,462)
Other comprehensive income (loss) before reclassifications (net of tax)	[1]	52	836	1,229
Amounts reclassified from accumulated other comprehensive (loss) income (net of tax)	[1]	32	76	265
Net other comprehensive income (loss)	[1]	84	912	1,494
Balance	[1]	$ (972)	$ (1,056)	$ (1,968)

[1] Amounts in parentheses indicate debits