FAIR VALUE MEASUREMENTS AND FAIR VALUES OF FINANCIAL INSTRUMENTS - Level 3 Valuation Techniques Nonrecurring (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Valuation Techniques and the Unobservable Inputs
Impaired loans, net		$ 3,460
Valuation allowance		453
Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Impaired loans, net	$ 7,786	3,007
Foreclosed assets held for sale	478	275
Residential mortgage
Valuation Techniques and the Unobservable Inputs
Foreclosed assets held for sale	47	256
Commercial | Real estate loan
Valuation Techniques and the Unobservable Inputs
Impaired loans, net		3,400
Valuation allowance		427
Commercial | Commercial and industrial
Valuation Techniques and the Unobservable Inputs
Impaired loans, net		60
Valuation allowance		26
Impaired Loans
Valuation Techniques and the Unobservable Inputs
Impaired loans, net	7,786
Valuation allowance	743
Fair value	7,043
Impaired Loans | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Foreclosed assets held for sale		3,460
Valuation allowance		453
Fair value		3,007
Impaired Loans | Valuation, Market Approach | Commercial | Commercial real estate - non-owner occupied | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Impaired loans, net	7,301
Valuation allowance	648
Fair value	$ 6,653
Impaired Loans | Valuation, Market Approach | Commercial | Commercial real estate - non-owner occupied | Minimum [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	22.00%
Impaired Loans | Valuation, Market Approach | Commercial | Commercial real estate - non-owner occupied | Maximum [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	30.00%
Impaired Loans | Valuation, Market Approach | Commercial | Commercial real estate - non-owner occupied | Weighted Average [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	25.00%
Impaired Loans | Valuation, Market Approach | Commercial | Commercial real estate - owner occupied | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Foreclosed assets held for sale	$ 294
Valuation allowance	5
Fair value	$ 289
Impaired Loans | Valuation, Market Approach | Commercial | Commercial real estate - owner occupied | Minimum [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	0.00%
Impaired Loans | Valuation, Market Approach | Commercial | Commercial real estate - owner occupied | Maximum [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	93.00%
Impaired Loans | Valuation, Market Approach | Commercial | Commercial real estate - owner occupied | Weighted Average [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	57.00%
Impaired Loans | Valuation, Market Approach | Commercial | Other commercial loans | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Foreclosed assets held for sale	$ 191
Valuation allowance	90
Fair value	$ 101
Impaired Loans | Valuation, Market Approach | Commercial | Other commercial loans | Minimum [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	0.00%
Impaired Loans | Valuation, Market Approach | Commercial | Other commercial loans | Maximum [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	76.00%
Impaired Loans | Valuation, Market Approach | Commercial | Other commercial loans | Weighted Average [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	17.00%
Impaired Loans | Valuation, Market Approach | Commercial | Real estate loan
Valuation Techniques and the Unobservable Inputs
Impaired loans, net		275
Valuation allowance		0
Fair value		275
Impaired Loans | Valuation, Market Approach | Commercial | Real estate loan | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Impaired loans, net		3,400
Valuation allowance		427
Fair value		$ 2,973
Discount rate		25.00%
Impaired Loans | Valuation, Market Approach | Commercial | Real estate loan | Weighted Average [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate		25.00%
Impaired Loans | Valuation, Market Approach | Commercial | Commercial and industrial | Measurement Input Discount To Borrowers Financial Statement Value Member
Valuation Techniques and the Unobservable Inputs
Impaired loans, net		$ 60
Valuation allowance		26
Fair value		$ 34
Impaired Loans | Valuation, Market Approach | Commercial | Commercial and industrial | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate		33.00%
Impaired Loans | Valuation, Market Approach | Commercial | Commercial and industrial | Weighted Average [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate		33.00%
Foreclosed Assets Held For Sale
Valuation Techniques and the Unobservable Inputs
Foreclosed assets held for sale	$ 478
Valuation allowance	0
Fair value	478
Foreclosed Assets Held For Sale | Valuation, Market Approach | Commercial Real Estate Receivables | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Foreclosed assets held for sale	47	$ 275
Valuation allowance	0	0
Fair value	$ 47	$ 275
Foreclosed Assets Held For Sale | Valuation, Market Approach | Residential mortgage | Real estate loan | Minimum [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	20.00%
Foreclosed Assets Held For Sale | Valuation, Market Approach | Residential mortgage | Real estate loan | Maximum [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	62.00%
Foreclosed Assets Held For Sale | Valuation, Market Approach | Residential mortgage | Real estate loan | Weighted Average [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	50.00%
Foreclosed Assets Held For Sale | Valuation, Market Approach | Commercial | Real estate loan | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate		50.00%
Foreclosed Assets Held For Sale | Valuation, Market Approach | Commercial | Real estate loan | Minimum [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	18.00%
Foreclosed Assets Held For Sale | Valuation, Market Approach | Commercial | Real estate loan | Maximum [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	50.00%
Foreclosed Assets Held For Sale | Valuation, Market Approach | Commercial | Real estate loan | Weighted Average [Member] | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	45.00%	50.00%
Foreclosed Assets Held For Sale | Valuation, Market Approach | Commercial | Commercial Real Estate Receivables | Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Foreclosed assets held for sale	$ 431
Valuation allowance	0
Fair value	$ 431