REGULATORY MATTERS - Comparison of the Company's and Bank's Actual Capital Amounts and Ratios to Required Capital Amounts and Ratios (Details) $ in Thousands	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Total capital to risk-weighted assets:
Actual, Amount	$ 280,300	$ 263,144
Actual, Ratio	14.52	13.20
Minimum Required for Capital Adequacy Purposes, Amount	$ 154,445	$ 159,496
Minimum Required for Capital Adequacy Purposes, Ratio	8.00	8.00
Minimum Required Under Basel III (Including Buffer), Amount	$ 202,709	$ 209,338
Minimum Required Under Basel III (Including Buffer), Ratio	10.50	10.50
Tier 1 capital to risk-weighted assets:
Actual, Amount	$ 256,077	$ 238,115
Actual, Ratio	13.26	11.94
Minimum Required for Capital Adequacy Purposes, Amount	$ 115,834	$ 119,622
Minimum Required for Capital Adequacy Purposes, Ratio	6.00	6.00
Minimum Required Under Basel III (Including Buffer), Amount	$ 164,098	$ 169,464
Minimum Required Under Basel III (Including Buffer), Ratio	8.50	8.50
Tier 1 capital to average assets:
Actual, Amount	$ 256,077	$ 238,115
Actual, Ratio	8.86	9.13
Minimum Required for Capital Adequacy Purposes, Amount	$ 115,560	$ 104,293
Minimum Required for Capital Adequacy Purposes, Ratio	4.00	4.00
Minimum Required Under Basel III (Including Buffer), Amount	$ 115,560	$ 104,293
Minimum Required Under Basel III (Including Buffer), Ratio	4.00	4.00
Common equity tier 1 capital to risk-weighted assets:
Actual, Amount	$ 245,767	$ 227,805
Actual, Ratio	12.73	11.43
Minimum Required for Capital Adequacy Purposes, Amount	$ 86,875	$ 89,716
Minimum Required for Capital Adequacy Purposes, Ratio	4.50%	4.50%
Minimum Required Under Basel III (Including Buffer), Amount	$ 135,139	$ 139,559
Minimum Required Under Basel III (Including Buffer), Ratio	7.00%	7.00%
Bank
Total capital to risk-weighted assets:
Actual, Amount	$ 289,779	$ 285,490
Actual, Ratio	15.01	14.32
Minimum Required for Capital Adequacy Purposes, Amount	$ 154,442	$ 159,514
Minimum Required for Capital Adequacy Purposes, Ratio	8.00	8.00
Minimum Required Under Basel III (Including Buffer), Amount	$ 202,705	$ 209,362
Minimum Required Under Basel III (Including Buffer), Ratio	10.50	10.50
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 193,052	$ 199,392
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	10.00	10.00
Tier 1 capital to risk-weighted assets:
Actual, Amount	$ 265,556	$ 260,459
Actual, Ratio	13.76	13.06
Minimum Required for Capital Adequacy Purposes, Amount	$ 115,831	$ 119,635
Minimum Required for Capital Adequacy Purposes, Ratio	6.00	6.00
Minimum Required Under Basel III (Including Buffer), Amount	$ 164,094	$ 169,483
Minimum Required Under Basel III (Including Buffer), Ratio	8.50	8.50
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 154,442	$ 159,514
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	8.00	8.00
Tier 1 capital to average assets:
Actual, Amount	$ 265,556	$ 260,459
Actual, Ratio	9.19	9.99
Minimum Required for Capital Adequacy Purposes, Amount	$ 115,560	$ 104,293
Minimum Required for Capital Adequacy Purposes, Ratio	4.00	4.00
Minimum Required Under Basel III (Including Buffer), Amount	$ 115,560	$ 104,293
Minimum Required Under Basel III (Including Buffer), Ratio	4.00	4.00
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 144,450	$ 130,366
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	5.00	5.00
Common equity tier 1 capital to risk-weighted assets:
Actual, Amount	$ 265,556	$ 260,459
Actual, Ratio	13.76	13.06
Minimum Required for Capital Adequacy Purposes, Amount	$ 86,874	$ 89,726
Minimum Required for Capital Adequacy Purposes, Ratio	4.50%	4.50%
Minimum Required Under Basel III (Including Buffer), Amount	$ 135,137	$ 139,574
Minimum Required Under Basel III (Including Buffer), Ratio	7.00%	7.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 125,484	$ 129,605
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	6.50%