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, 2024 USD ($)	Dec. 31, 2023 USD ($)
Total capital to risk-weighted assets:
Actual, Amount	$ 375,097	$ 367,526
Actual, Ratio	0.1659	0.1522
Minimum Required for Capital Adequacy Purposes, Amount	$ 180,892	$ 193,232
Minimum Required for Capital Adequacy Purposes, Ratio	0.08	0.08
Minimum Required Under Basel III (Including Buffer), Amount	$ 237,421	$ 253,617
Minimum Required Under Basel III (Including Buffer), Ratio	0.105	0.105
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 226,115	$ 241,540
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.10	0.10
Tier 1 capital to risk-weighted assets:
Actual, Amount	$ 312,161	$ 302,757
Actual, Ratio	0.1381	0.1253
Minimum Required for Capital Adequacy Purposes, Amount	$ 135,669	$ 144,924
Minimum Required for Capital Adequacy Purposes, Ratio	0.06	0.06
Minimum Required Under Basel III (Including Buffer), Amount	$ 192,198	$ 205,309
Minimum Required Under Basel III (Including Buffer), Ratio	0.085	0.085
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 135,669	$ 144,924
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.06	0.06
Tier 1 capital to average assets:
Actual, Amount	$ 312,161	$ 302,757
Actual, Ratio	0.1021	0.0947
Minimum Required for Capital Adequacy Purposes, Amount	$ 122,241	$ 127,878
Minimum Required for Capital Adequacy Purposes, Ratio	0.04	0.04
Minimum Required Under Basel III (Including Buffer), Amount	$ 122,241	$ 127,878
Minimum Required Under Basel III (Including Buffer), Ratio	0.04	0.04
Common equity tier 1 capital to risk-weighted assets:
Actual, Amount	$ 304,944	$ 295,540
Actual, Ratio	0.1349	0.1224
Minimum Required for Capital Adequacy Purposes, Amount	$ 101,752	$ 108,693
Minimum Required for Capital Adequacy Purposes, Ratio	4.50%	4.50%
Minimum Required Under Basel III (Including Buffer), Amount	$ 158,280	$ 169,078
Minimum Required Under Basel III (Including Buffer), Ratio	7.00%	7.00%
Bank
Total capital to risk-weighted assets:
Actual, Amount	$ 370,734	$ 373,778
Actual, Ratio	0.1641	0.1549
Minimum Required for Capital Adequacy Purposes, Amount	$ 180,727	$ 193,035
Minimum Required for Capital Adequacy Purposes, Ratio	0.08	0.08
Minimum Required Under Basel III (Including Buffer), Amount	$ 237,204	$ 253,359
Minimum Required Under Basel III (Including Buffer), Ratio	0.105	0.105
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 225,908	$ 241,294
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.10	0.10
Tier 1 capital to risk-weighted assets:
Actual, Amount	$ 342,492	$ 343,607
Actual, Ratio	0.1516	0.1424
Minimum Required for Capital Adequacy Purposes, Amount	$ 135,545	$ 144,777
Minimum Required for Capital Adequacy Purposes, Ratio	0.06	0.06
Minimum Required Under Basel III (Including Buffer), Amount	$ 192,022	$ 205,100
Minimum Required Under Basel III (Including Buffer), Ratio	0.085	0.085
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 180,727	$ 193,035
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.08	0.08
Tier 1 capital to average assets:
Actual, Amount	$ 342,492	$ 343,607
Actual, Ratio	0.1124	0.1078
Minimum Required for Capital Adequacy Purposes, Amount	$ 121,853	$ 127,531
Minimum Required for Capital Adequacy Purposes, Ratio	0.04	0.04
Minimum Required Under Basel III (Including Buffer), Amount	$ 121,853	$ 127,531
Minimum Required Under Basel III (Including Buffer), Ratio	0.04	0.04
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 152,317	$ 159,414
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	$ 342,492	$ 343,607
Actual, Ratio	0.1516	0.1424
Minimum Required for Capital Adequacy Purposes, Amount	$ 101,659	$ 108,582
Minimum Required for Capital Adequacy Purposes, Ratio	4.50%	4.50%
Minimum Required Under Basel III (Including Buffer), Amount	$ 158,136	$ 168,906
Minimum Required Under Basel III (Including Buffer), Ratio	7.00%	7.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 146,840	$ 156,841
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	6.50%