REGULATORY MATTERS - Comparison of the Company's and Bank's Actual Capital Amounts and Ratios to Required Capital Amounts and Ratios (Details) $ in Thousands	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Total capital to risk-weighted assets:
Actual, Amount	$ 371,036	$ 367,526
Actual, Ratio	0.1558	0.1522
Minimum Required for Capital Adequacy Purposes, Amount	$ 190,577	$ 193,232
Minimum Required for Capital Adequacy Purposes, Ratio	0.08	0.08
Minimum Required Under Basel III (Including Buffer), Amount	$ 250,132	$ 253,617
Minimum Required Under Basel III (Including Buffer), Ratio	0.105	0.105
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 238,221	$ 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	$ 306,647	$ 302,757
Actual, Ratio	0.1287	0.1253
Minimum Required for Capital Adequacy Purposes, Amount	$ 142,933	$ 144,924
Minimum Required for Capital Adequacy Purposes, Ratio	0.06	0.06
Minimum Required Under Basel III (Including Buffer), Amount	$ 202,488	$ 205,309
Minimum Required Under Basel III (Including Buffer), Ratio	0.085	0.085
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 142,933	$ 144,924
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.06	0.06
Tier 1 capital to average assets:
Actual, Amount	$ 306,647	$ 302,757
Actual, Ratio	0.0966	0.0947
Minimum Required for Capital Adequacy Purposes, Amount	$ 126,913	$ 127,878
Minimum Required for Capital Adequacy Purposes, Ratio	0.04	0.04
Minimum Required Under Basel III (Including Buffer), Amount	$ 126,913	$ 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	$ 299,430	$ 295,540
Actual, Ratio	0.1257	0.1224
Minimum Required for Capital Adequacy Purposes, Amount	$ 107,200	$ 108,693
Minimum Required for Capital Adequacy Purposes, Ratio	4.50%	4.50%
Minimum Required Under Basel III (Including Buffer), Amount	$ 166,755	$ 169,078
Minimum Required Under Basel III (Including Buffer), Ratio	7.00%	7.00%
Bank
Total capital to risk-weighted assets:
Actual, Amount	$ 365,983	$ 373,778
Actual, Ratio	0.1537	0.1549
Minimum Required for Capital Adequacy Purposes, Amount	$ 190,459	$ 193,035
Minimum Required for Capital Adequacy Purposes, Ratio	0.08	0.08
Minimum Required Under Basel III (Including Buffer), Amount	$ 249,977	$ 253,359
Minimum Required Under Basel III (Including Buffer), Ratio	0.105	0.105
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 238,073	$ 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	$ 336,214	$ 343,607
Actual, Ratio	0.1412	0.1424
Minimum Required for Capital Adequacy Purposes, Amount	$ 142,844	$ 144,777
Minimum Required for Capital Adequacy Purposes, Ratio	0.06	0.06
Minimum Required Under Basel III (Including Buffer), Amount	$ 202,362	$ 205,100
Minimum Required Under Basel III (Including Buffer), Ratio	0.085	0.085
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 190,459	$ 193,035
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.08	0.08
Tier 1 capital to average assets:
Actual, Amount	$ 336,214	$ 343,607
Actual, Ratio	0.1063	0.1078
Minimum Required for Capital Adequacy Purposes, Amount	$ 126,532	$ 127,531
Minimum Required for Capital Adequacy Purposes, Ratio	0.04	0.04
Minimum Required Under Basel III (Including Buffer), Amount	$ 126,532	$ 127,531
Minimum Required Under Basel III (Including Buffer), Ratio	0.04	0.04
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 158,165	$ 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	$ 336,214	$ 343,607
Actual, Ratio	0.1412	0.1424
Minimum Required for Capital Adequacy Purposes, Amount	$ 107,133	$ 108,582
Minimum Required for Capital Adequacy Purposes, Ratio	4.50%	4.50%
Minimum Required Under Basel III (Including Buffer), Amount	$ 166,651	$ 168,906
Minimum Required Under Basel III (Including Buffer), Ratio	7.00%	7.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 154,748	$ 156,841
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	6.50%