QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Quarterly financial data
Interest Income	$ 9,164	$ 9,206	$ 9,086	$ 9,098	$ 8,978	$ 8,641	$ 7,835	$ 7,731	$ 36,554	$ 33,185	$ 29,731
Net Interest Income	8,068	8,066	7,985	8,009	7,911	7,598	6,863	6,763	32,128	29,135	25,975
Net Income	$ 2,285	$ 2,365	$ 2,082	$ 1,837	$ 1,654	$ 1,541	$ 2,122	$ 1,515	$ 8,569	$ 6,832	$ 7,071
Basic earnings per share (in dollars per share)	$ 0.77	$ 0.79	$ 0.70	$ 0.61	$ 0.55	$ 0.52	$ 0.77	$ 0.56	$ 2.87	$ 2.40	$ 2.60
Diluted earnings per share (in dollars per share)	$ 0.77	$ 0.79	$ 0.70	$ 0.61	$ 0.55	$ 0.52	$ 0.77	$ 0.56	$ 2.87	$ 2.40	$ 2.60
Amount of settlement							$ 747