REGULATORY MATTERS - Comparison of the Company's and Bank's Actual Capital Amounts and Ratios to Required Capital Amounts and Ratios (Details) $ in Thousands	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Total capital to risk-weighted assets:
Actual, Amount	$ 364,878	$ 358,702
Actual, Ratio	0.1493	0.1437
Minimum Required for Capital Adequacy Purposes, Amount	$ 195,454	$ 199,687
Minimum Required for Capital Adequacy Purposes, Ratio	0.08	0.08
Minimum Required Under Basel III (Including Buffer), Amount	$ 256,533	$ 262,089
Minimum Required Under Basel III (Including Buffer), Ratio	0.105	0.105
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 244,317	$ 249,608
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.10	0.10
Tier 1 capital to risk-weighted assets:
Actual, Amount	$ 299,796	$ 292,966
Actual, Ratio	0.1227	0.1174
Minimum Required for Capital Adequacy Purposes, Amount	$ 146,590	$ 149,765
Minimum Required for Capital Adequacy Purposes, Ratio	0.06	0.06
Minimum Required Under Basel III (Including Buffer), Amount	$ 207,670	$ 212,167
Minimum Required Under Basel III (Including Buffer), Ratio	0.085	0.085
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 146,590	$ 149,765
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.06	0.06
Tier 1 capital to average assets:
Actual, Amount	$ 299,796	$ 292,966
Actual, Ratio	0.0934	0.0877
Minimum Required for Capital Adequacy Purposes, Amount	$ 128,334	$ 133,614
Minimum Required for Capital Adequacy Purposes, Ratio	0.04	0.04
Minimum Required Under Basel III (Including Buffer), Amount	$ 128,334	$ 133,614
Minimum Required Under Basel III (Including Buffer), Ratio	0.04	0.04
Common equity tier 1 capital to risk-weighted assets:
Actual, Amount	$ 292,579	$ 285,749
Actual, Ratio	0.1198	0.1145
Minimum Required for Capital Adequacy Purposes, Amount	$ 109,943	$ 112,324
Minimum Required for Capital Adequacy Purposes, Ratio	4.50%	4.50%
Minimum Required Under Basel III (Including Buffer), Amount	$ 171,022	$ 174,726
Minimum Required Under Basel III (Including Buffer), Ratio	7.00%	7.00%
Bank
Total capital to risk-weighted assets:
Actual, Amount	$ 372,346	$ 361,125
Actual, Ratio	0.1525	0.1448
Minimum Required for Capital Adequacy Purposes, Amount	$ 195,334	$ 199,570
Minimum Required for Capital Adequacy Purposes, Ratio	0.08	0.08
Minimum Required Under Basel III (Including Buffer), Amount	$ 256,376	$ 261,936
Minimum Required Under Basel III (Including Buffer), Ratio	0.105	0.105
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 244,167	$ 249,463
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.10	0.10
Tier 1 capital to risk-weighted assets:
Actual, Amount	$ 341,818	$ 329,933
Actual, Ratio	0.14	0.1323
Minimum Required for Capital Adequacy Purposes, Amount	$ 146,500	$ 149,678
Minimum Required for Capital Adequacy Purposes, Ratio	0.06	0.06
Minimum Required Under Basel III (Including Buffer), Amount	$ 207,542	$ 212,044
Minimum Required Under Basel III (Including Buffer), Ratio	0.085	0.085
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 195,334	$ 199,570
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.08	0.08
Tier 1 capital to average assets:
Actual, Amount	$ 341,818	$ 329,933
Actual, Ratio	0.1068	0.0989
Minimum Required for Capital Adequacy Purposes, Amount	$ 128,010	$ 133,375
Minimum Required for Capital Adequacy Purposes, Ratio	0.04	0.04
Minimum Required Under Basel III (Including Buffer), Amount	$ 128,010	$ 133,375
Minimum Required Under Basel III (Including Buffer), Ratio	0.04	0.04
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 160,013	$ 166,718
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.05	0.05
Common equity tier 1 capital to risk-weighted assets:
Actual, Amount	$ 341,818	$ 329,933
Actual, Ratio	0.14	0.1323
Minimum Required for Capital Adequacy Purposes, Amount	$ 109,875	$ 112,258
Minimum Required for Capital Adequacy Purposes, Ratio	4.50%	4.50%
Minimum Required Under Basel III (Including Buffer), Amount	$ 170,917	$ 174,624
Minimum Required Under Basel III (Including Buffer), Ratio	7.00%	7.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 158,709	$ 162,151
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	6.50%