ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Schedule of Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest income	$ 93,370	$ 95,018	$ 93,736	$ 91,034	$ 90,942	$ 88,623	$ 84,482	$ 79,220	$ 373,158	$ 343,267	$ 239,567
Income tax expense	5,036	4,400	4,373	4,402	6,436	4,479	1,880	3,771	18,211	16,566	21,347
Other expense									13,338	10,757	13,124
NET INCOME	$ 24,190	$ 23,338	$ 22,549	$ 23,401	$ 29,626	$ 25,252	$ 14,611	$ 24,278	93,478	93,767	103,817
Reclassification Out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
NET INCOME									(1,632)	(1,633)	(1,290)
Reclassification Out of Accumulated Other Comprehensive Income | AOCI, Accumulated Gain (Loss), Debt Securities, Held-to-Maturity, Parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest income									(1,962)	(1,987)	(1,518)
Income tax expense									422	423	315
NET INCOME									(1,586)	(1,589)	(1,182)
Reclassification Out of Accumulated Other Comprehensive Income | Unrealized Gains and (Losses) on Available-for-Sale Securities
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net securities gains (losses)									(46)	(25)	21
Reclassification Out of Accumulated Other Comprehensive Income | Defined Benefit Pension Items
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense									16	15	36
Other expense									(62)	(59)	(144)
NET INCOME									$ (46)	$ (44)	$ (108)