EARNINGS PER SHARE (Computation of Basic and Diluted Earnings per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Basic
Net income	$ 19,021	$ 12,117
Less: Earnings allocated to participating securities	(25)	(55)
Net income available to common stockholders	$ 18,996	$ 12,062
Weighted average common shares outstanding including participating securities	10,934,091	8,313,660
Less: Weighted average participating securities	(14,223)	(37,486)
Weighted average common shares outstanding	10,919,868	8,276,174
Basic earnings per common share (in dollars per share)	$ 1.74	$ 1.46
Diluted
Net income allocated to common shareholders	$ 18,996	$ 12,062
Weighted average common shares outstanding for basic earnings per common share	10,919,868	8,276,174
Average shares and dilutive potential common shares	11,223,294	8,417,319
Diluted earnings per common share (in dollars per share)	$ 1.69	$ 1.43
Stock Option
Diluted
Add: Dilutive effects of assumed exercise of stock options	190,826	141,145
Performance-Based Restricted Stock Units (PRSUs)
Diluted
Dilutive effects of assumed vesting units	73,561
Restricted stock awards
Calculations of basic and diluted earnings per share
Number of antidilutive shares not considered in computing diluted earnings per share	234,332	108,178
Diluted
Dilutive effects of assumed vesting units	39,039