FAIR VALUE MEASUREMENTS AND FAIR VALUES OF FINANCIAL INSTRUMENTS - Assets Measured at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Assets Measured at Fair Value
Total, fair value	$ 408,463	$ 402,380
Interest rate swap agreements
Assets Measured at Fair Value
Fair value derivative asset	1,882	2,385
Fair value of the derivative liability	1,882	2,385
RPA In
Assets Measured at Fair Value
Fair value derivative asset	0	0
Fair value of the derivative liability	3	2
Obligations of the U.S. Treasury
Assets Measured at Fair Value
Total, fair value	7,284	7,118
Obligations of U.S. Government agencies
Assets Measured at Fair Value
Total, fair value	8,923	9,025
Bank holding company debt securities
Assets Measured at Fair Value
Total, fair value	25,944	25,246
Obligations Of States And Political Subdivisions Tax Exempt
Assets Measured at Fair Value
Total, fair value	99,148	101,302
Obligations Of States And Political Subdivisions Taxable
Assets Measured at Fair Value
Total, fair value	43,587	42,506
Residential Passthrough Securities
Assets Measured at Fair Value
Total, fair value	97,477	94,414
Residential Collateralized Mortgage Obligations
Assets Measured at Fair Value
Total, fair value	52,148	49,894
Commercial Mortgage Backed Securities
Assets Measured at Fair Value
Total, fair value	65,553	64,501
Private label commercial mortgage-backed securities
Assets Measured at Fair Value
Total, fair value	8,399	8,374
Recurring fair value measurements
Assets Measured at Fair Value
Total, fair value	408,463	402,380
Marketable equity security	876	863
Servicing rights	2,767	2,782
Total asset fair value measurements	413,991	408,412
Fair value of the derivative liability	1,885	2,387
Recurring fair value measurements | Level 1
Assets Measured at Fair Value
Total, fair value	7,284	7,118
Marketable equity security	876	863
Servicing rights	0	0
Total asset fair value measurements	8,160	7,981
Fair value of the derivative liability	0	0
Recurring fair value measurements | Level 2
Assets Measured at Fair Value
Total, fair value	401,179	395,262
Marketable equity security	0	0
Servicing rights	0	0
Total asset fair value measurements	403,064	397,649
Fair value of the derivative liability	1,885	2,387
Recurring fair value measurements | Level 3
Assets Measured at Fair Value
Total, fair value	0	0
Marketable equity security	0	0
Servicing rights	2,767	2,782
Total asset fair value measurements	2,767	2,782
Fair value of the derivative liability	0	0
Recurring fair value measurements | RPA Out
Assets Measured at Fair Value
Fair value derivative asset	3	2
Recurring fair value measurements | RPA Out | Level 1
Assets Measured at Fair Value
Fair value derivative asset	0	0
Recurring fair value measurements | RPA Out | Level 2
Assets Measured at Fair Value
Fair value derivative asset	3	2
Recurring fair value measurements | RPA Out | Level 3
Assets Measured at Fair Value
Fair value derivative asset	0	0
Recurring fair value measurements | Interest rate swap agreements
Assets Measured at Fair Value
Fair value derivative asset	1,882	2,385
Fair value of the derivative liability	1,882	2,385
Recurring fair value measurements | Interest rate swap agreements | Level 1
Assets Measured at Fair Value
Fair value derivative asset	0	0
Fair value of the derivative liability	0	0
Recurring fair value measurements | Interest rate swap agreements | Level 2
Assets Measured at Fair Value
Fair value derivative asset	1,882	2,385
Fair value of the derivative liability	1,882	2,385
Recurring fair value measurements | Interest rate swap agreements | Level 3
Assets Measured at Fair Value
Fair value derivative asset	0	0
Fair value of the derivative liability	0	0
Recurring fair value measurements | RPA In
Assets Measured at Fair Value
Fair value of the derivative liability	3	2
Recurring fair value measurements | RPA In | Level 1
Assets Measured at Fair Value
Fair value of the derivative liability	0	0
Recurring fair value measurements | RPA In | Level 2
Assets Measured at Fair Value
Fair value of the derivative liability	3	2
Recurring fair value measurements | RPA In | Level 3
Assets Measured at Fair Value
Fair value of the derivative liability	0	0
Recurring fair value measurements | Obligations of the U.S. Treasury
Assets Measured at Fair Value
Total, fair value	7,284	7,118
Recurring fair value measurements | Obligations of the U.S. Treasury | Level 1
Assets Measured at Fair Value
Total, fair value	7,284	7,118
Recurring fair value measurements | Obligations of the U.S. Treasury | Level 2
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Obligations of the U.S. Treasury | Level 3
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Obligations of U.S. Government agencies
Assets Measured at Fair Value
Total, fair value	8,923	9,025
Recurring fair value measurements | Obligations of U.S. Government agencies | Level 1
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Obligations of U.S. Government agencies | Level 2
Assets Measured at Fair Value
Total, fair value	8,923	9,025
Recurring fair value measurements | Obligations of U.S. Government agencies | Level 3
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Bank holding company debt securities
Assets Measured at Fair Value
Total, fair value	25,944	25,246
Recurring fair value measurements | Bank holding company debt securities | Level 1
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Bank holding company debt securities | Level 2
Assets Measured at Fair Value
Total, fair value	25,944	25,246
Recurring fair value measurements | Bank holding company debt securities | Level 3
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Obligations Of States And Political Subdivisions Tax Exempt
Assets Measured at Fair Value
Total, fair value	99,148	101,302
Recurring fair value measurements | Obligations Of States And Political Subdivisions Tax Exempt | Level 1
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Obligations Of States And Political Subdivisions Tax Exempt | Level 2
Assets Measured at Fair Value
Total, fair value	99,148	101,302
Recurring fair value measurements | Obligations Of States And Political Subdivisions Tax Exempt | Level 3
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Obligations Of States And Political Subdivisions Taxable
Assets Measured at Fair Value
Total, fair value	43,587	42,506
Recurring fair value measurements | Obligations Of States And Political Subdivisions Taxable | Level 1
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Obligations Of States And Political Subdivisions Taxable | Level 2
Assets Measured at Fair Value
Total, fair value	43,587	42,506
Recurring fair value measurements | Obligations Of States And Political Subdivisions Taxable | Level 3
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Residential Passthrough Securities
Assets Measured at Fair Value
Total, fair value	97,477	94,414
Recurring fair value measurements | Residential Passthrough Securities | Level 1
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Residential Passthrough Securities | Level 2
Assets Measured at Fair Value
Total, fair value	97,477	94,414
Recurring fair value measurements | Residential Passthrough Securities | Level 3
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Residential Collateralized Mortgage Obligations
Assets Measured at Fair Value
Total, fair value	52,148	49,894
Recurring fair value measurements | Residential Collateralized Mortgage Obligations | Level 1
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Residential Collateralized Mortgage Obligations | Level 2
Assets Measured at Fair Value
Total, fair value	52,148	49,894
Recurring fair value measurements | Residential Collateralized Mortgage Obligations | Level 3
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Commercial Mortgage Backed Securities
Assets Measured at Fair Value
Total, fair value	65,553	64,501
Recurring fair value measurements | Commercial Mortgage Backed Securities | Level 1
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Commercial Mortgage Backed Securities | Level 2
Assets Measured at Fair Value
Total, fair value	65,553	64,501
Recurring fair value measurements | Commercial Mortgage Backed Securities | Level 3
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Private label commercial mortgage-backed securities
Assets Measured at Fair Value
Total, fair value	8,399	8,374
Recurring fair value measurements | Private label commercial mortgage-backed securities | Level 1
Assets Measured at Fair Value
Total, fair value	0	0
Recurring fair value measurements | Private label commercial mortgage-backed securities | Level 2
Assets Measured at Fair Value
Total, fair value	8,399	8,374
Recurring fair value measurements | Private label commercial mortgage-backed securities | Level 3
Assets Measured at Fair Value
Total, fair value	0	0
Nonrecurring fair value measurements
Assets Measured at Fair Value
Total asset fair value measurements	955	317
Impaired loans, net	756	136
Foreclosed assets held for sale	199	181
Nonrecurring fair value measurements | Level 1
Assets Measured at Fair Value
Total asset fair value measurements	0	0
Impaired loans, net	0	0
Foreclosed assets held for sale	0	0
Nonrecurring fair value measurements | Level 2
Assets Measured at Fair Value
Total asset fair value measurements	0	0
Impaired loans, net	0	0
Foreclosed assets held for sale	0	0
Nonrecurring fair value measurements | Level 3
Assets Measured at Fair Value
Total asset fair value measurements	955	317
Impaired loans, net	756	136
Foreclosed assets held for sale	$ 199	$ 181