PREMISES AND EQUIPMENT - Premises and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Premises and equipment [Abstract]
Premises and equipment, gross	$ 87,513	$ 87,013
Less accumulated depreciation and amortization	72,942	70,900
Net book value	14,571	16,113
Depreciation expense	2,001	2,226
Land
Premises and equipment [Abstract]
Premises and equipment, gross	4,664	4,674
Buildings
Premises and equipment [Abstract]
Premises and equipment, gross	40,727	40,419
Projects in progress
Premises and equipment [Abstract]
Premises and equipment, gross	11	82
Equipment and furniture
Premises and equipment [Abstract]
Premises and equipment, gross	37,237	36,964
Leasehold improvements
Premises and equipment [Abstract]
Premises and equipment, gross	$ 4,874	$ 4,874

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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