EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Basic earnings per share
Net income	$ 7,739	$ 12,960	$ 17,555	$ 21,692
Weighted average common shares outstanding (in shares)	25,575,837	24,198,196	25,552,864	24,237,168
Basic earnings per common share (in dollars per share)	$ 0.30	$ 0.54	$ 0.69	$ 0.90
Diluted earnings per share
Net income	$ 7,739	$ 12,960	$ 17,555	$ 21,692
Weighted average common shares outstanding for basic earnings per common share (in shares)	25,575,837	24,198,196	25,552,864	24,237,168
Add: Dilutive effects of restricted stock and options (in shares)	141,502	187,853	178,850	190,474
Average shares and dilutive potential common shares (in shares)	25,717,339	24,386,049	25,731,714	24,427,642
Diluted earnings per common share (in dollars per share)	$ 0.30	$ 0.53	$ 0.68	$ 0.89
Securities excluded from the computation of diluted earnings per common share	0	0	0	0