EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Basic earnings per share [Abstract]
Income available to common stockholders	$ 5,859	$ 4,375	$ 12,035	$ 9,508
Weighted average common shares outstanding (in shares)	14,636,569	13,355,564	14,631,430	13,350,995
Earnings per share (in dollars per share)	$ 0.40	$ 0.33	$ 0.82	$ 0.71
Diluted earnings per share [Abstract]
Income available to common stockholders	$ 5,859	$ 4,375	$ 12,035	$ 9,508
Weighted average common shares outstanding (in shares)	14,636,569	13,355,564	14,631,430	13,350,995
Add dilutive effects of potential additional common stock (in shares)	81,850	106,593	76,947	91,381
Weighted average common and dilutive potential common shares outstanding (in shares)	14,718,419	13,462,157	14,708,377	13,442,376
Earnings per share assuming dilution (in dollars per share)	$ 0.40	$ 0.32	$ 0.82	$ 0.71
Stock Options [Member]
Earnings Per Share [Abstract]
Securities not considered in computing diluted earnings per share (in shares)	0	0	0	0