OUTSTANDING SHARES AND EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		12 Months Ended
	Jan. 25, 2018	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
OUTSTANDING SHARES AND EARNINGS PER SHARE [Abstract]
Stock dividend percentage	4.00%
Dividends date declared		Jan. 25, 2018
Dividend date to be paid		Mar. 29, 2018
Dividends payable, date of record		Feb. 28, 2018
Basic earnings per share [Abstract]
Net income		$ 2,733	$ 2,513	$ 8,748
Weighted average common shares outstanding (in shares)		11,532,769	11,496,082
Basic EPS (in dollars per share)		$ 0.24	$ 0.22
Diluted earnings per share [Abstract]
Net income		$ 2,733	$ 2,513	$ 8,748
Weighted average common shares outstanding (in shares)		11,532,769	11,496,082
Effect of dilutive shares (in shares)		162,654	143,263
Adjusted weighted average common shares outstanding (in shares)		11,695,423	11,639,345
Diluted EPS (in dollars per share)		$ 0.23	$ 0.22
Stock options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from EPS computation (in shares)		132,805	71,134