PREMISES AND EQUIPMENT - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Depreciation	$ 3,688,000	$ 3,475,000	$ 3,190,000
Depreciation expense on leased assets	607,000	607,000	607,000
Gladstone Property [Member]
Depreciation	$ 141,000	$ 141,000	$ 141,000