PREMISES AND EQUIPMENT - Premises and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Premises and equipment [Abstract]
Premises and equipment, gross	$ 87,013	$ 87,942
Less accumulated depreciation and amortization	70,900	69,973
Net book value	16,113	17,969
Depreciation expense	2,226	2,501
Land
Premises and equipment [Abstract]
Premises and equipment, gross	4,674	4,710
Buildings
Premises and equipment [Abstract]
Premises and equipment, gross	40,419	40,726
Projects in progress
Premises and equipment [Abstract]
Premises and equipment, gross	82	5
Equipment and furniture
Premises and equipment [Abstract]
Premises and equipment, gross	36,964	37,183
Leasehold improvements
Premises and equipment [Abstract]
Premises and equipment, gross	$ 4,874	$ 5,318

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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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.

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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.

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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.

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