OTHER NONINTEREST REVENUE AND EXPENSE (Other Noninterest Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
OTHER NONINTEREST REVENUE AND EXPENSE [Abstract]
Advertising	$ 1,037	$ 1,043	$ 1,700	$ 1,676
Foreclosed property expense	960	1,309	2,010	2,490
Telecommunications	1,233	1,259	2,380	2,554
Public relations	654	599	1,374	1,260
Data processing	7,230	6,685	13,853	13,076
Computer software	2,913	2,732	5,894	5,392
Amortization of intangibles	1,010	869	2,040	1,749
Legal fees	1,330	1,754	2,559	6,289
Merger expense		1		2
Postage and shipping	1,080	985	2,255	2,102
Other miscellaneous expense	12,355	13,664	25,106	27,540
Total other noninterest expense	$ 29,802	$ 30,900	$ 59,171	$ 64,130