REGULATORY MATTERS - Comparison of the Company's and Bank's Actual Capital Amounts and Ratios to Required Capital Amounts and Ratios (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Total capital to risk-weighted assets:
Actual, Amount	$ 253,793	$ 241,791
Actual, Ratio	13.29%	13.25%
Minimum Required for Capital Adequacy Purposes, Amount	$ 152,770	$ 146,020
Minimum Required for Capital Adequacy Purposes, Ratio	8.00%	8.00%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 200,510	$ 191,651
Minimum Required Under Basel III Fully Phased-In, Ratio	10.50%	10.50%
Tier 1 capital to risk-weighted assets:
Actual, Amount	$ 237,591	$ 227,140
Actual, Ratio	12.44%	12.44%
Minimum Required for Capital Adequacy Purposes, Amount	$ 114,577	$ 109,515
Minimum Required for Capital Adequacy Purposes, Ratio	6.00%	6.00%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 162,318	$ 155,146
Minimum Required Under Basel III Fully Phased-In, Ratio	8.50%	8.50%
Tier 1 capital to average assets:
Actual, Amount	$ 237,591	$ 227,140
Actual, Ratio	10.29%	10.16%
Minimum Required for Capital Adequacy Purposes, Amount	$ 92,318	$ 89,422
Minimum Required for Capital Adequacy Purposes, Ratio	4.00%	4.00%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 92,318	$ 89,422
Minimum Required Under Basel III Fully Phased-In, Ratio	4.00%	4.00%
Common equity tier 1 capital to risk-weighted assets:
Actual, Amount	$ 227,281	$ 216,830
Actual, Ratio	11.90%	11.88%
Minimum Required for Capital Adequacy Purposes, Amount	$ 85,933	$ 82,136
Minimum Required for Capital Adequacy Purposes, Ratio	4.50%	4.50%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 133,674	$ 127,768
Minimum Required Under Basel III Fully Phased-In, Ratio	7.00%	7.00%
Bank
Total capital to risk-weighted assets:
Actual, Amount	$ 249,643	$ 242,142
Actual, Ratio	13.07%	13.27%
Minimum Required for Capital Adequacy Purposes, Amount	$ 152,774	$ 146,015
Minimum Required for Capital Adequacy Purposes, Ratio	8.00%	8.00%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 200,516	$ 191,645
Minimum Required Under Basel III Fully Phased-In, Ratio	10.50%	10.50%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 190,968	$ 182,519
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	10.00%	10.00%
Tier 1 capital to risk-weighted assets:
Actual, Amount	$ 233,441	$ 227,491
Actual, Ratio	12.22%	12.46%
Minimum Required for Capital Adequacy Purposes, Amount	$ 114,581	$ 109,511
Minimum Required for Capital Adequacy Purposes, Ratio	6.00%	6.00%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 162,322	$ 155,141
Minimum Required Under Basel III Fully Phased-In, Ratio	8.50%	8.50%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 152,774	$ 146,015
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	8.00%	8.00%
Tier 1 capital to average assets:
Actual, Amount	$ 233,441	$ 227,491
Actual, Ratio	10.11%	10.18%
Minimum Required for Capital Adequacy Purposes, Amount	$ 92,321	$ 89,414
Minimum Required for Capital Adequacy Purposes, Ratio	4.00%	4.00%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 92,321	$ 89,414
Minimum Required Under Basel III Fully Phased-In, Ratio	4.00%	4.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 115,401	$ 111,768
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	$ 233,441	$ 227,491
Actual, Ratio	12.22%	12.46%
Minimum Required for Capital Adequacy Purposes, Amount	$ 85,935	$ 82,134
Minimum Required for Capital Adequacy Purposes, Ratio	4.50%	4.50%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 133,677	$ 127,763
Minimum Required Under Basel III Fully Phased-In, Ratio	7.00%	7.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 124,129	$ 118,637
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	6.50%