OTHER NONINTEREST REVENUE AND EXPENSE (Other Noninterest Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
OTHER NONINTEREST REVENUE AND EXPENSE [Abstract]
Advertising	$ 925	$ 812	$ 2,601	$ 3,279
Foreclosed property expense	859	808	3,349	4,404
Telecommunications	1,288	1,267	3,842	3,904
Public relations	718	588	1,978	2,067
Data processing	6,856	6,156	19,932	18,056
Computer software	2,976	2,595	8,368	7,891
Amortization of intangibles	923	949	2,672	3,042
Legal fees	1,064	1,233	7,353	10,912
Merger expense		8	2	12
Postage and shipping	1,059	1,030	3,161	3,396
Other miscellaneous expense	13,703	12,898	41,243	42,254
Total other noninterest expense	$ 30,371	$ 28,344	$ 94,501	$ 99,217