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	Sep. 30, 2019	Dec. 31, 2018
Total capital to risk-weighted assets:
Actual, Amount	$ 248,009	$ 241,791
Actual, Ratio	13.22%	13.25%
Minimum Required for Capital Adequacy Purposes, Amount	$ 150,082	$ 146,020
Minimum Required for Capital Adequacy Purposes, Ratio	8.00%	8.00%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 196,983	$ 191,651
Minimum Required Under Basel III Fully Phased-In, Ratio	10.50%	10.50%
Tier 1 capital to risk-weighted assets:
Actual, Amount	$ 231,615	$ 227,140
Actual, Ratio	12.35%	12.44%
Minimum Required for Capital Adequacy Purposes, Amount	$ 112,562	$ 109,515
Minimum Required for Capital Adequacy Purposes, Ratio	6.00%	6.00%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 159,462	$ 155,146
Minimum Required Under Basel III Fully Phased-In, Ratio	8.50%	8.50%
Tier 1 capital to average assets:
Actual, Amount	$ 231,615	$ 227,140
Actual, Ratio	10.16%	10.16%
Minimum Required for Capital Adequacy Purposes, Amount	$ 91,205	$ 89,422
Minimum Required for Capital Adequacy Purposes, Ratio	4.00%	4.00%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 91,205	$ 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	$ 221,305	$ 216,830
Actual, Ratio	11.80%	11.88%
Minimum Required for Capital Adequacy Purposes, Amount	$ 84,421	$ 82,136
Minimum Required for Capital Adequacy Purposes, Ratio	4.50%	4.50%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 131,322	$ 127,768
Minimum Required Under Basel III Fully Phased-In, Ratio	7.00%	7.00%
Bank
Total capital to risk-weighted assets:
Actual, Amount	$ 246,851	$ 242,142
Actual, Ratio	12.89%	13.27%
Minimum Required for Capital Adequacy Purposes, Amount	$ 153,230	$ 146,015
Minimum Required for Capital Adequacy Purposes, Ratio	8.00%	8.00%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 201,114	$ 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	$ 191,537	$ 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	$ 230,457	$ 227,491
Actual, Ratio	12.03%	12.46%
Minimum Required for Capital Adequacy Purposes, Amount	$ 114,922	$ 109,511
Minimum Required for Capital Adequacy Purposes, Ratio	6.00%	6.00%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 162,807	$ 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	$ 153,230	$ 146,015
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	8.00%	8.00%
Tier 1 capital to average assets:
Actual, Amount	$ 230,457	$ 227,491
Actual, Ratio	10.04%	10.18%
Minimum Required for Capital Adequacy Purposes, Amount	$ 91,784	$ 89,414
Minimum Required for Capital Adequacy Purposes, Ratio	4.00%	4.00%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 91,784	$ 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	$ 114,730	$ 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	$ 230,457	$ 227,491
Actual, Ratio	12.03%	12.46%
Minimum Required for Capital Adequacy Purposes, Amount	$ 86,192	$ 82,134
Minimum Required for Capital Adequacy Purposes, Ratio	4.50%	4.50%
Minimum Required Under Basel III Fully Phased-In, Amount	$ 134,076	$ 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	$ 124,499	$ 118,637
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	6.50%