SECURITIES - Available-for-sale Debt Securities by Contractual Maturity (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Available-for-sale Securities
Due in one year or less, amortized cost	$ 13,200,000
Due in one year or less, fair value	12,937,000
Due from one year through five years. amortized cost	27,951,000
Due from one year through five years, fair value	26,299,000
Due from five years through ten years, amortized cost	77,246,000
Due from five years through ten years, fair value	67,709,000
Due after ten years, amortized cost	106,183,000
Due after ten years, fair value	92,101,000
Sub-total, amortized cost	224,580,000
Sub-total, fair value	199,046,000
Total, amortized cost	464,968,000	$ 561,794,000
Total, fair value	415,755,000	498,033,000
Secured public deposits, trusts and certain other deposits	136,494,000	196,760,000
Residential Passthrough Securities
Available-for-sale Securities
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, amortized cost	105,549,000
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, fair value	95,405,000
Total, amortized cost	105,549,000	112,782,000
Total, fair value	95,405,000	99,941,000
Residential Collateralized Mortgage Obligations
Available-for-sale Securities
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, amortized cost	50,212,000
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, fair value	46,462,000
Total, amortized cost	50,212,000	44,868,000
Total, fair value	46,462,000	40,296,000
Commercial Mortgage Backed Securities
Available-for-sale Securities
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, amortized cost	76,412,000
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, fair value	66,682,000
Total, amortized cost	76,412,000	91,388,000
Total, fair value	66,682,000	79,686,000
Private label commercial mortgage-backed securities
Available-for-sale Securities
Total, amortized cost	8,215,000	8,070,000
Total, fair value	$ 8,160,000	$ 8,023,000