SHAREHOLDERS' EQUITY AND EARNINGS PER COMMON SHARE - Actual and Required Capital Ratios (Details) $ in Thousands	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Actual
Total capital to risk-weighted assets	$ 416,900	$ 380,690
Common equity tier 1 capital to risk-weighted assets	326,513	295,635
Tier 1 capital to risk-weighted assets	347,133	316,255
Tier 1 capital to average assets	$ 347,133	$ 316,255
Total capital to risk-weighted assets, ratio	0.1350	0.1431
Common equity tier 1 capital to risk-weighted assets, ratio	0.1057	0.1112
Tier 1 capital to risk-weighted assets, ratio	0.1124	0.1190
Tier 1 capital to average assets (leverage ratio)	0.0921	0.0866
Minimum Regulatory Capital Requirements
Total capital to risk-weighted assets	$ 247,041	$ 212,798
Common equity tier 1 capital to risk-weighted assets	138,960	119,699
Tier 1 capital to risk-weighted assets	185,281	159,598
Tier 1 capital to average assets	$ 150,772	$ 146,029
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	$ 410,053	$ 375,435
Common equity tier 1 capital to risk-weighted assets	380,286	351,000
Tier 1 capital to risk-weighted assets	380,286	351,000
Tier 1 capital to average assets	$ 380,286	$ 351,000
Total capital to risk-weighted assets, ratio	0.1329	0.1413
Common equity tier 1 capital to risk-weighted assets, ratio	0.1233	0.1322
Tier 1 capital to risk-weighted assets, ratio	0.1233	0.1322
Tier 1 capital to average assets (leverage ratio)	0.1010	0.0962
Minimum Regulatory Capital Requirements
Total capital to risk-weighted assets	$ 246,812	$ 220,425
Common equity tier 1 capital to risk-weighted assets	138,832	123,812
Tier 1 capital to risk-weighted assets	185,110	165,082
Tier 1 capital to average assets	$ 150,655	$ 151,082
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