SECURITIES - Available-for-sale Debt Securities by Contractual Maturity (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Available-for-sale Securities
Due in one year or less, amortized cost	$ 13,568,000
Due in one year or less, fair value	13,431,000
Due from one year through five years. amortized cost	74,983,000
Due from one year through five years, fair value	70,160,000
Due from five years through ten years, amortized cost	89,023,000
Due from five years through ten years, fair value	79,404,000
Due after ten years, amortized cost	127,112,000
Due after ten years, fair value	107,092,000
Sub-total, amortized cost	304,686,000
Sub-total, fair value	270,087,000
Total, amortized cost	561,794,000	$ 511,592,000
Total, fair value	498,033,000	517,679,000
Secured public deposits, trusts and certain other deposits	196,760,000	189,383,000
Residential Passthrough Securities
Available-for-sale Securities
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, amortized cost	112,782,000
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, fair value	99,941,000
Total, amortized cost	112,782,000	98,048,000
Total, fair value	99,941,000	98,181,000
Residential Collateralized Mortgage Obligations
Available-for-sale Securities
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, amortized cost	44,868,000
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, fair value	40,296,000
Total, amortized cost	44,868,000	44,015,000
Total, fair value	40,296,000	44,247,000
Commercial Mortgage Backed Securities
Available-for-sale Securities
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, amortized cost	91,388,000
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, fair value	79,686,000
Total, amortized cost	91,388,000	86,926,000
Total, fair value	79,686,000	$ 87,468,000
Private label commercial mortgage-backed securities
Available-for-sale Securities
Total, amortized cost	8,070,000
Total, fair value	$ 8,023,000