OTHER NONINTEREST REVENUE AND EXPENSE (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Other noninterest revenue [Abstract]
Bank-owned life insurance	$ 1,893	$ 1,899
Other miscellaneous income	2,669	3,341
Total other noninterest income	4,562	5,240
Other noninterest expense [Abstract]
Advertising	633	781
Foreclosed property expense	1,181	1,971
Telecommunications	1,295	1,314
Public relations	661	685
Data processing	6,391	6,002
Computer software	2,660	2,606
Amortization of intangibles	880	1,032
Legal fees	4,535	7,681
Merger expense	1
Postage and shipping	1,117	1,172
Other miscellaneous expense	13,876	16,031
Total other noninterest expense	$ 33,230	$ 39,275