OTHER NON-INTEREST INCOME AND OTHER NON-INTEREST EXPENSE (Selected Components of Other Non-Interest Income And Other Non-Interest Expense) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Income and Expenses [Abstract]
Letter of credit fees	$ 389	$ 611	$ 847
Extension fees	1,287	873	568
Other income	7,104	5,642	4,916
Total other non-interest income	8,780	7,126	6,331
Postage and delivery	1,502	1,439	1,179
Communications	2,414	2,610	1,502
Loss on FHLB redemption	0	0	1,275
Other expenses	16,510	15,443	11,188
Total other non-interest expense	$ 20,426	$ 19,492	$ 15,144