SHAREHOLDERS' EQUITY AND EARNINGS PER COMMON SHARE - Actual and Required Capital Ratios (Details) $ in Thousands	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Actual
Total capital to risk-weighted assets	$ 450,160	$ 416,900
Common equity tier 1 capital to risk-weighted assets	357,574	326,513
Tier 1 capital to risk-weighted assets	378,194	347,133
Tier 1 capital to average assets	$ 378,194	$ 347,133
Total capital to risk-weighted assets, ratio	0.1424	0.1350
Common equity tier 1 capital to risk-weighted assets, ratio	0.1131	0.1057
Tier 1 capital to risk-weighted assets, ratio	0.1196	0.1124
Tier 1 capital to average assets (leverage ratio)	0.0970	0.0921
Minimum Regulatory Capital Requirements
Total capital to risk-weighted assets	$ 252,888	$ 247,041
Common equity tier 1 capital to risk-weighted assets	142,249	138,960
Tier 1 capital to risk-weighted assets	189,666	185,281
Tier 1 capital to average assets	$ 156,022	$ 150,772
Minimum regulatory capital requirements, Total capital to risk-weighted assets, ratio	0.0800	0.0800
Minimum regulatory capital requirements, Common equity tier 1 capital to risk-weighted assets, ratio	0.045%	0.045%
Minimum regulatory capital requirements, Tier 1 capital to risk-weighted assets, ratio	0.0600	0.0600
Minimum regulatory capital requirements, Tier 1 capital to average assets, (leverage ratio)	0.0400	0.0400
Bank
Actual
Total capital to risk-weighted assets	$ 441,278	$ 410,053
Common equity tier 1 capital to risk-weighted assets	409,312	380,286
Tier 1 capital to risk-weighted assets	409,312	380,286
Tier 1 capital to average assets	$ 409,312	$ 380,286
Total capital to risk-weighted assets, ratio	0.1397	0.1329
Common equity tier 1 capital to risk-weighted assets, ratio	0.1296	0.1233
Tier 1 capital to risk-weighted assets, ratio	0.1296	0.1233
Tier 1 capital to average assets (leverage ratio)	0.1050	0.1010
Minimum Regulatory Capital Requirements
Total capital to risk-weighted assets	$ 252,642	$ 246,812
Common equity tier 1 capital to risk-weighted assets	142,111	138,832
Tier 1 capital to risk-weighted assets	189,482	185,110
Tier 1 capital to average assets	$ 155,908	$ 150,655
Minimum regulatory capital requirements, Total capital to risk-weighted assets, ratio	0.0800	0.0800
Minimum regulatory capital requirements, Common equity tier 1 capital to risk-weighted assets, ratio	0.045%	0.045%
Minimum regulatory capital requirements, Tier 1 capital to risk-weighted assets, ratio	0.0600	0.0600
Minimum regulatory capital requirements, Tier 1 capital to average assets, (leverage ratio)	0.0400	0.0400

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