SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Earnings per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Accounting Policies [Abstract]
Net income to shareholders	$ 10,724	$ 10,206	$ 33,441	$ 26,128
Basic weighted-average shares outstanding	19,053,849	17,800,153	18,865,982	17,478,293
Plus: common stock equivalents	186,249	323,115	201,004	275,438
Diluted weighted-average shares outstanding	19,240,098	18,123,268	19,066,986	17,753,731
Net Income Per Share
Basic	$ 0.56	$ 0.57	$ 1.77	$ 1.49
Diluted	$ 0.56	$ 0.56	$ 1.75	$ 1.47