OTHER NONINTEREST REVENUE AND EXPENSE (Other Noninterest Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
OTHER NONINTEREST REVENUE AND EXPENSE [Abstract]
Advertising	$ 1,043	$ 1,686	$ 1,676	$ 2,467
Foreclosed property expense	1,309	1,625	2,490	3,596
Telecommunications	1,259	1,323	2,554	2,637
Public relations	599	794	1,260	1,479
Data processing	6,685	5,898	13,076	11,900
Computer software	2,732	2,690	5,392	5,296
Amortization of intangibles	869	1,061	1,749	2,093
Legal fees	1,754	1,998	6,289	9,679
Merger expense	1	4	2	4
Postage and shipping	985	1,194	2,102	2,366
Other miscellaneous expense	13,664	13,325	27,540	29,356
Total other noninterest expense	$ 30,900	$ 31,598	$ 64,130	$ 70,873