SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Calculation of Basic and Diluted Earnings per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accounting Policies [Abstract]
Net income available to common shareholders									$ 47,434	$ 44,170	$ 36,497
Basic weighted average shares outstanding									19,268,870	18,965,305	17,659,625
Plus: common stock equivalents									142,578	183,340	284,060
Diluted weighted average shares outstanding									19,411,448	19,148,645	17,943,685
Earnings per share:
Basic	$ 0.64	$ 0.63	$ 0.59	$ 0.59	$ 0.56	$ 0.56	$ 0.63	$ 0.58	$ 2.46	$ 2.33	$ 2.07
Diluted	$ 0.64	$ 0.63	$ 0.59	$ 0.58	$ 0.55	$ 0.56	$ 0.62	$ 0.57	$ 2.44	$ 2.31	$ 2.03