REGULATORY MATTERS (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Ratio of Common Equity Tier 1 Capital to risk-weighted assets
Minimum Requirement	4.50%
Minimum Requirement with Capital Conservation Buffer for 2017	5.75%
To Be Considered Well-Capitalized	6.50%
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets	6.00%
Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets With Capital Conservation Buffer	7.25%
Ratio of total capital (tier 1 capital plus tier 2 capital) to risk-weighted assets	8.00%
Ratio of total capital (tier 1 capital plus tier 2 capital) to risk-weighted assets
Minimum Requirement	8.00%
Minimum Requirement with Capital Conservation Buffer for 2017	9.25%
To Be Considered Well-Capitalized	10.00%
Leverage ratio (tier 1 capital to adjusted quarterly average total assets)
Minimum Requirement	4.00%
To Be Considered Well-Capitalized	5.00%
Regulatory Capital:
Shareholders' equity	$ 150,271	$ 142,944	$ 140,108	$ 125,695
Consolidated Company
Regulatory Capital:
Shareholders' equity	150,271	142,944
Goodwill and other intangible assets	(32,906)	(32,676)
Accumulated other comprehensive loss	2,828	2,617
Tier 1 risk-based capital	120,193	112,885
Eligible allowance for loan losses	3,403	3,575
Total risk-based capital	$ 123,596	$ 116,460
Capital Ratios:
Common Equity Tier 1 Capital to risk-weighted assets	13.29%	13.00%
Tier 1 capital to risk-weighted assets	13.29%	13.00%
Total capital (tier 1 capital plus tier 2 capital) to risk-weighted assets	13.66%	13.41%
Leverage ratio (tier 1 capital to adjusted quarterly average total assets)	9.51%	8.81%
Bank
Regulatory Capital:
Shareholders' equity	$ 148,163	$ 141,325
Goodwill and other intangible assets	(32,906)	(32,676)
Accumulated other comprehensive loss	2,859	2,605
Tier 1 risk-based capital	118,116	111,254
Eligible allowance for loan losses	3,403	3,575
Total risk-based capital	$ 121,519	$ 114,829
Capital Ratios:
Common Equity Tier 1 Capital to risk-weighted assets	13.07%	12.82%
Tier 1 capital to risk-weighted assets	13.07%	12.82%
Total capital (tier 1 capital plus tier 2 capital) to risk-weighted assets	13.45%	13.24%
Leverage ratio (tier 1 capital to adjusted quarterly average total assets)	9.36%	8.69%