EARNINGS APPLICABLE TO COMMON SHAREHOLDERS (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
EARNINGS APPLICABLE TO COMMON SHAREHOLDERS
Net income available to common stock holders, basic earnings per share	$ 16,943	$ 11,983	$ 25,254	$ 19,618
Net income available to common stock holders, diluted earnings per share	$ 16,943	$ 11,983	$ 25,254	$ 19,618
Effect of dilutive shares:
Weighted average number of shares outstanding, basic earnings per share	21,341,913	17,182,049	20,080,014	16,414,262
Restricted stock grants	95,267	129,577	125,453	129,577
Weighted average number of shares outstanding, diluted earnings per share	21,437,180	17,311,626	20,205,467	16,543,839
Basic earnings per share	$ 0.79	$ 0.70	$ 1.26	$ 1.20
Diluted earnings per share	$ 0.79	$ 0.69	$ 1.25	$ 1.19