EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Basic earnings per share [Abstract]
Income available to common stockholders	$ 5,624	$ 6,267	$ 16,498	$ 18,302
Weighted average common shares outstanding (in shares)	14,673,257	14,645,002	14,665,751	14,636,004
Basic (in dollars per share)	$ 0.38	$ 0.43	$ 1.12	$ 1.25
Diluted earnings per share [Abstract]
Income available to common stockholders	$ 5,624	$ 6,267	$ 16,498	$ 18,302
Weighted average common shares outstanding (in shares)	14,673,257	14,645,002	14,665,751	14,636,004
Add dilutive effects of potential additional common stock (in shares)	48,930	75,513	62,198	76,136
Weighted average common and dilutive potential common shares outstanding (in shares)	14,722,187	14,720,515	14,727,949	14,712,140
Diluted (in dollars per share)	$ 0.38	$ 0.43	$ 1.12	$ 1.24
Stock Options [Member]
Earnings Per Share [Abstract]
Securities not considered in computing diluted earnings per share (in shares)	183,242	0	183,242	0