FAIR VALUE - Summary of Assets Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Financial Assets
Investment securities	$ 514,909	$ 513,519
U.S. Treasury securities
Financial Assets
Investment securities	17,669	17,840
U.S. Government Agencies
Financial Assets
Investment securities	3,859	4,151
States and political subdivisions
Financial Assets
Investment securities	200,868	203,122
GSE residential MBSs
Financial Assets
Investment securities	57,956	57,632
GSE commercial MBSs
Financial Assets
Investment securities	4,384	4,743
Non-agency CMOs
Financial Assets
Investment securities	34,710	44,669
Asset-backed
Financial Assets
Investment securities	103,899	108,134
Other
Financial Assets
Investment securities	120	126
Fair Value, Measurements, Recurring
Financial Assets
Loans held for sale	535	5,816
Totals	528,697	530,718
Financial Liabilities
Derivatives	12,052	13,464
Fair Value, Measurements, Recurring | Derivatives
Financial Assets
Derivatives	13,253	11,383
Fair Value, Measurements, Recurring | U.S. Treasury securities
Financial Assets
Investment securities	17,669	17,840
Fair Value, Measurements, Recurring | U.S. Government Agencies
Financial Assets
Investment securities	3,859	4,151
Fair Value, Measurements, Recurring | States and political subdivisions
Financial Assets
Investment securities	200,868	203,122
Fair Value, Measurements, Recurring | GSE residential MBSs
Financial Assets
Investment securities	57,956	57,632
Fair Value, Measurements, Recurring | GSE commercial MBSs
Financial Assets
Investment securities	4,384	4,743
Fair Value, Measurements, Recurring | GSE residential CMOs
Financial Assets
Investment securities	91,444	73,102
Fair Value, Measurements, Recurring | Non-agency CMOs
Financial Assets
Investment securities	34,710	44,669
Fair Value, Measurements, Recurring | Asset-backed
Financial Assets
Investment securities	103,899	108,134
Fair Value, Measurements, Recurring | Other
Financial Assets
Investment securities	120	126
Fair Value, Measurements, Recurring | Level 1
Financial Assets
Loans held for sale	0	0
Totals	17,789	17,966
Financial Liabilities
Derivatives	0	0
Fair Value, Measurements, Recurring | Level 1 | Derivatives
Financial Assets
Derivatives	0	0
Fair Value, Measurements, Recurring | Level 1 | U.S. Treasury securities
Financial Assets
Investment securities	17,669	17,840
Fair Value, Measurements, Recurring | Level 1 | U.S. Government Agencies
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 1 | States and political subdivisions
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 1 | GSE residential MBSs
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 1 | GSE commercial MBSs
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 1 | GSE residential CMOs
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 1 | Non-agency CMOs
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 1 | Asset-backed
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 1 | Other
Financial Assets
Investment securities	120	126
Fair Value, Measurements, Recurring | Level 2
Financial Assets
Loans held for sale	535	5,816
Totals	493,118	484,844
Financial Liabilities
Derivatives	12,052	13,464
Fair Value, Measurements, Recurring | Level 2 | Derivatives
Financial Assets
Derivatives	13,197	11,328
Fair Value, Measurements, Recurring | Level 2 | U.S. Treasury securities
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 2 | U.S. Government Agencies
Financial Assets
Investment securities	3,859	4,151
Fair Value, Measurements, Recurring | Level 2 | States and political subdivisions
Financial Assets
Investment securities	194,598	197,060
Fair Value, Measurements, Recurring | Level 2 | GSE residential MBSs
Financial Assets
Investment securities	57,956	57,632
Fair Value, Measurements, Recurring | Level 2 | GSE commercial MBSs
Financial Assets
Investment securities	4,384	4,743
Fair Value, Measurements, Recurring | Level 2 | GSE residential CMOs
Financial Assets
Investment securities	91,444	73,102
Fair Value, Measurements, Recurring | Level 2 | Non-agency CMOs
Financial Assets
Investment securities	23,246	22,878
Fair Value, Measurements, Recurring | Level 2 | Asset-backed
Financial Assets
Investment securities	103,899	108,134
Fair Value, Measurements, Recurring | Level 2 | Other
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 3
Financial Assets
Loans held for sale	0	0
Totals	17,790	27,908
Financial Liabilities
Derivatives	0	0
Fair Value, Measurements, Recurring | Level 3 | Derivatives
Financial Assets
Derivatives	56	55
Fair Value, Measurements, Recurring | Level 3 | U.S. Treasury securities
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 3 | U.S. Government Agencies
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 3 | States and political subdivisions
Financial Assets
Investment securities	6,270	6,062
Fair Value, Measurements, Recurring | Level 3 | GSE residential MBSs
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 3 | GSE commercial MBSs
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 3 | GSE residential CMOs
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 3 | Non-agency CMOs
Financial Assets
Investment securities	11,464	21,791
Fair Value, Measurements, Recurring | Level 3 | Asset-backed
Financial Assets
Investment securities	0	0
Fair Value, Measurements, Recurring | Level 3 | Other
Financial Assets
Investment securities	$ 0	$ 0