EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
EARNINGS PER SHARE
Shares outstanding (weighted average) (in shares)	9,349,907	7,874,676
Shares held by Rabbi Trust (in shares)	88,901	99,029
Shares liability under deferred compensation agreement (in shares)	(88,901)	(99,029)
Basic earnings per share:
Net earnings applicable to common stockholders	$ 22,543	$ 9,923
Basic earnings per share (in shares)	9,349,907	7,874,676
Basic (in dollars per share)	$ 2.41	$ 1.26
Effect of dilutive securities:
Unexercised stock awards (in shares)	31,670	46,593
Diluted earnings per share:
Net income applicable to common stockholders and assumed conversions	$ 22,543	$ 9,923
Diluted earnings per share (in shares)	9,381,577	7,921,269
Diluted earnings per share (in dollars per share)	$ 2.40	$ 1.25
Shares of common stock outstanding not included in the computation of diluted EPS (in shares)	50,045	13,317