INCOME TAXES - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating Loss Carryforwards [Line Items]
Statutory percentage rate of provision (as a percent)	21.00%
Deferred income tax asset (liability) allocated to unrealized net gain (loss) on securities available-for-sale	$ 44,100,000	$ 41,100,000
Deferred income tax asset allocated to pension plan and SERP	188,000	243,000
Unrecognized tax benefits	0	0
Interest and penalties related to unrecognized tax benefits	0	$ 0	$ 0
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 29,900,000