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IINVESTMENT SECURITIES - Additional information (Details)	12 Months Ended
	Dec. 31, 2022 USD ($) position	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) item
INVESTMENT SECURITIES
Gross investment losses	$ 5,000
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	0	$ 18,000	$ (66,000)
Investment Securities:
Proceeds from sales of investment securities - available for sale	1,519,000	960,000
Gross investment gains	5,000	84,000
Gross investment losses	5,000
Book value of securities available for sale and held to maturity	$ 134,002,000	122,574,000
Number of positions | position	426
Premium percentage on mortgage backed securities purchased	100.90%
Consolidated investment securities portfolio modified, years	4 years 8 months 1 day
Number of investment | item			0
Realized gain on equity securities		36,000	$ 2,000
Unrealized gain on equity securities		7,000	3,000
Available-for-sale Securities, Equity Securities	$ 502,000	$ 526,000
Realized loss on equity securities	9,000
Unrealized loss on equity securities	$ 13,000
U.S. Agency
Investment Securities:
Available For Sale Securities Debt Maturities Weighted Average Maturity Term	5 years 7 months 13 days
Weighted Average Expected Maturity For Held To Maturity Securities	7 years 6 months 25 days
U.S. Agency mortgage-backed securities
Investment Securities:
Available For Sale Securities Debt Maturities Weighted Average Maturity Term	6 years 11 months 26 days
Weighted Average Expected Maturity For Held To Maturity Securities	7 years 4 months 20 days
Corporate bonds.
Investment Securities:
Available For Sale Securities Debt Maturities Weighted Average Maturity Term	4 years 2 months 4 days
Weighted Average Expected Maturity For Held To Maturity Securities	2 years 11 months 19 days
Municipal
Investment Securities:
Available For Sale Securities Debt Maturities Weighted Average Maturity Term	4 years 21 days
Weighted Average Expected Maturity For Held To Maturity Securities	5 years 4 months 13 days
Standard & Poor's, AAA Rating
INVESTMENT SECURITIES
Portfolio rated	52.50%	47.10%
Securities rated below A
INVESTMENT SECURITIES
Portfolio rated	14.70%
Deferred Compensation, Share-based Payments | Assets Held With Rabbi Trust
Investment Securities:
Available-for-sale Securities, Equity Securities	$ 502,000	$ 526,000	$ 443,000

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