ACCUMULATED OTHER COMPREHENSIVE LOSS - Changes in Accumulated Other Comprehensive Loss by Component, Net of Tax (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
ACCUMULATED OTHER COMPREHENSIVE LOSS [Abstract]
Net unrealized gain on securities available for sale	$ (17,778)	$ (33,624)
Tax effect	3,733	7,060
Net -of-tax amount	(14,045)	(26,564)
Unrealized loss on interest rate swap	2,486	4,236
Tax effect	521	889
Net -of-tax amount	1,965	3,347
Unrecognized pension costs	(376)	(385)
Tax effect	79	81
Net -of-tax amount	(297)	(304)
Total accumulated other comprehensive income	$ (12,377)	$ (23,521)