ALLOWANCE FOR CREDIT LOSSES - LOANS - Loan portfolio and allowance for credit losses (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Loans:
Individually evaluated	$ 14,266	$ 10,834
Collectively evaluated	1,053,683	1,027,437
Total loans	1,067,949	1,038,271
Allowance for loan losses:
Specific reserve allocation	541	414
General reserve allocation	13,371	14,639
Total allowance for credit losses	13,912	15,053	$ 10,743
Other commercial and industrial
Loans:
Individually evaluated	1,675	1,694
Collectively evaluated	145,576	157,730
Total loans	147,251	159,424
Allowance for loan losses:
Specific reserve allocation	541	414
General reserve allocation	2,319	2,616
Total allowance for credit losses	2,860	3,030
Other commercial real estate (non-owner occupied)
Loans:
Individually evaluated	8,773	8,780
Collectively evaluated	225,109	231,506
Total loans	233,882	240,286
Allowance for loan losses:
General reserve allocation	3,451	3,428
Total allowance for credit losses	3,451	3,428	5,972
Residential mortgages
Loans:
Individually evaluated	379	173
Collectively evaluated	176,731	174,497
Total loans	177,110	174,670
Allowance for loan losses:
General reserve allocation	839	1,021
Total allowance for credit losses	839	1,021	1,380
Commercial Portfolio Segment
Loans:
Total loans	782,228	760,826
Commercial Portfolio Segment \| Commercial real estate (owner occupied)
Loans:
Individually evaluated	3,429	187
Collectively evaluated	83,524	88,960
Total loans	86,953	89,147
Allowance for loan losses:
General reserve allocation	398	1,529
Total allowance for credit losses	398	1,529
Commercial Portfolio Segment \| Other commercial and industrial
Loans:
Total loans	147,251	159,424
Commercial Portfolio Segment \| Commercial real estate (non-owner occupied) - retail
Loans:
Collectively evaluated	181,778	161,961
Total loans	181,778	161,961
Allowance for loan losses:
General reserve allocation	3,695	3,488
Total allowance for credit losses	3,695	3,488
Commercial Portfolio Segment \| Commercial real estate (non-owner occupied) - multi-family
Loans:
Collectively evaluated	132,364	110,008
Total loans	132,364	110,008
Allowance for loan losses:
General reserve allocation	1,478	1,430
Total allowance for credit losses	1,478	1,430
Commercial Portfolio Segment \| Other commercial real estate (non-owner occupied)
Loans:
Total loans	233,882	240,286
Consumer
Loans:
Total loans	285,721	277,445
Consumer \| Residential mortgages
Loans:
Total loans	177,110	174,670
Consumer \| Consumer
Loans:
Individually evaluated	10
Collectively evaluated	108,601	102,775
Total loans	108,611	102,775
Allowance for loan losses:
General reserve allocation	1,191	1,127
Total allowance for credit losses	$ 1,191	$ 1,127	$ 85

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