SHAREHOLDERS’ EQUITY AND REGULATORY CAPITAL - Schedule of Actual and Required Capital Amounts and Ratios (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Consolidated
Total Capital to risk weighted assets
Actual, Amount	$ 244,003	$ 206,988
Actual, Ratio	14.10%	15.60%
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Amount	$ 182,028	$ 131,393
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Ratio	10.50%	9.875%
Tier 1 Capital to risk weighted assets
Actual, Amount	$ 196,451	$ 160,117
Actual, Ratio	11.30%	12.00%
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Amount	$ 147,356	$ 104,782
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Ratio	8.50%	7.875%
Common Tier 1 (CET1) to risk weighted assets
Actual, Amount	$ 196,451	$ 160,117
Actual, Ratio	11.30%	12.00%
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Amount	$ 121,352	$ 84,823
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Ratio	7.00%	6.375%
Tier 1 Capital to average assets
Actual, Amount	$ 196,451	$ 160,117
Actual, Ratio	8.60%	8.40%
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Amount	$ 91,782	$ 76,089
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Ratio	4.00%	4.00%
Bank
Total Capital to risk weighted assets
Actual, Amount	$ 231,805	$ 177,892
Actual, Ratio	13.40%	13.40%
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Amount	$ 181,948	$ 131,286
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Ratio	10.50%	9.875%
To Be Well Capitalized Under Prompt Corrective Action Regulations, Amount	$ 173,284	$ 132,948
To Be Well Capitalized Under Prompt Corrective Action Regulations, Ratio	10.00%	10.00%
Tier 1 Capital to risk weighted assets
Actual, Amount	$ 216,100	$ 162,880
Actual, Ratio	12.50%	12.30%
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Amount	$ 147,291	$ 104,696
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Ratio	8.50%	7.875%
To Be Well Capitalized Under Prompt Corrective Action Regulations, Amount	$ 138,627	$ 106,358
To Be Well Capitalized Under Prompt Corrective Action Regulations, Ratio	8.00%	8.00%
Common Tier 1 (CET1) to risk weighted assets
Actual, Amount	$ 216,100	$ 162,880
Actual, Ratio	12.50%	12.30%
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Amount	$ 121,299	$ 84,754
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Ratio	7.00%	6.375%
To Be Well Capitalized Under Prompt Corrective Action Regulations, Amount	$ 112,635	$ 86,416
To Be Well Capitalized Under Prompt Corrective Action Regulations, Ratio	6.50%	6.50%
Tier 1 Capital to average assets
Actual, Amount	$ 216,100	$ 162,880
Actual, Ratio	9.40%	8.60%
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Amount	$ 91,798	$ 76,113
For Capital Adequacy Purposes (includes applicable capital conservation buffer), Ratio	4.00%	4.00%
To Be Well Capitalized Under Prompt Corrective Action Regulations, Amount	$ 114,747	$ 95,142
To Be Well Capitalized Under Prompt Corrective Action Regulations, Ratio	5.00%	5.00%