REGULATORY CAPITAL REQUIREMENTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Net profits period for accessing dividends declarable	2 years
Declarable dividends without prior approval for next fiscal year	$ 13,800
Total Capital (to Risk Weighted Assets):
Actual	153,020	$ 145,269
Minimal Capital Adequacy	103,527	95,748
Capital Required For Capital Adequacy With Capital Buffer	119,703	103,229
Tier 1 Capital (to Risk Weighted Assets):
Actual	136,660	130,911
Minimal Capital Adequacy	77,645	71,811
Tier One Risk Based Capital Required for Capital Adequacy with Capital Buffer	93,821	79,292
Common Equity Tier 1 Capital (to Risk Weighted Assets):
Actual	136,660	130,911
Minimal Capital Adequacy	58,234	53,858
Common Equity Tier One Risk Based Capital Required for Capital Adequacy with Capital Buffer	74,410	61,339
Tier 1 Capital (to Average Assets):
Actual	136,660	130,911
Minimal Capital Adequacy	$ 68,200	$ 67,031
Risk Based Ratios [Abstract]
Capital to Risk Weighted Assets	11.82%	12.14%
Capital Required To Be Adequately Capitalized to Risk Weighted Assets	8.00%	8.00%
Capital Required for Capital Adequacy with Capital Buffer to Risk Weighted Assets	9.25%	8.625%
Tier One Risk Based Capital to Risk Weighted Assets	10.56%	10.94%
Tier One Risk Based Capital Required To Be Adequately Capitalized to Risk Weighted Assets	6.00%	6.00%
Tier One Risk Based Capital Required for Capital Adequacy With Capital Buffer to Risk Weighted Assets	7.25%	6.625%
Common Equity Tier 1 Capital to Risk Weighted Assets	10.56%	10.94%
Common Equity Tier 1 Capital Required to be Adequately Capitalized to Risk Weighted Assets	4.50%	4.50%
Common Equity Tier One Risk Based Capital Requirement for Capital Adequacy with Capital Buffer to Risk Weighted Assets	5.75%	5.125%
Leverage Ratios [Abstract]
Tier One Leverage Capital to Average Assets (in hundredths)	8.02%	7.81%
Tier One Leverage Capital Required To Be Adequately Capitalized to Average Assets (in hundredths)	4.00%	4.00%
Bank
Total Capital (to Risk Weighted Assets):
Actual	$ 146,129	$ 140,020
Minimal Capital Adequacy	103,390	95,640
Capital Required For Capital Adequacy With Capital Buffer	119,545	103,112
To Be Well Capitalized Under Prompt Corrective Action Provisions	129,238	119,550
Tier 1 Capital (to Risk Weighted Assets):
Actual	129,881	125,736
Minimal Capital Adequacy	77,543	71,730
Tier One Risk Based Capital Required for Capital Adequacy with Capital Buffer	93,697	79,202
To Be Well Capitalized Under Prompt Corrective Action Provisions	103,390	95,640
Common Equity Tier 1 Capital (to Risk Weighted Assets):
Actual	129,881	125,736
Minimal Capital Adequacy	58,157	53,798
Common Equity Tier One Risk Based Capital Required for Capital Adequacy with Capital Buffer	74,312	61,270
To Be Well Capitalized Under Prompt Corrective Action Provisions	84,004
Tier 1 Capital (to Average Assets):
Actual	129,881	125,736
Minimal Capital Adequacy	68,045	66,919
To Be Well Capitalized Under Prompt Corrective Action Provisions	$ 85,057	$ 83,649
Risk Based Ratios [Abstract]
Capital to Risk Weighted Assets	11.31%	11.71%
Capital Required To Be Adequately Capitalized to Risk Weighted Assets	8.00%	8.00%
Capital Required for Capital Adequacy with Capital Buffer to Risk Weighted Assets	9.25%	8.625%
Capital Required To Be Well Capitalized to Risk Weighted Assets	10.00%	10.00%
Tier One Risk Based Capital to Risk Weighted Assets	10.05%	10.52%
Tier One Risk Based Capital Required To Be Adequately Capitalized to Risk Weighted Assets	6.00%	6.00%
Tier One Risk Based Capital Required for Capital Adequacy With Capital Buffer to Risk Weighted Assets	7.25%	6.625%
Tier One Risk Based Capital Required To Be Well Capitalized to Risk Weighted Assets	8.00%	8.00%
Common Equity Tier 1 Capital to Risk Weighted Assets	10.05%	10.52%
Common Equity Tier 1 Capital Required to be Adequately Capitalized to Risk Weighted Assets	4.50%	4.50%
Common Equity Tier One Risk Based Capital Requirement for Capital Adequacy with Capital Buffer to Risk Weighted Assets	5.75%	5.125%
Common Equity Tier 1 Capital Required to be Well Capitalized to Risk Weighted Assets	6.50%
Common Equity Tier One Risk Based Capital To Be Well Capitalized		$ 77,708
Common Equity Tier One Risk Based Capital Requirement to be Well Capitalized to Risk Weighted Assets		6.50%
Leverage Ratios [Abstract]
Tier One Leverage Capital to Average Assets (in hundredths)	7.63%	7.52%
Tier One Leverage Capital Required To Be Adequately Capitalized to Average Assets (in hundredths)	4.00%	4.00%
Tier One Leverage Capital Required To Be Well Capitalized to Average Assets (in hundredths)	5.00%	5.00%