OTHER NONINTEREST REVENUE AND EXPENSE (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Other noninterest revenue [Abstract]
Bank-owned life insurance	$ 1,842	$ 1,865	$ 5,576	$ 5,599
Other miscellaneous income	3,156	3,064	9,181	9,647
Total other noninterest income	4,998	4,929	14,757	15,246
Other noninterest expense [Abstract]
Amortization of bond issue cost	12	12	36	36
Advertising	812	1,192	3,279	3,155
Foreclosed property expense	808	5,721	4,404	12,478
Telecommunications	1,825	2,254	5,644	6,760
Public relations	481	950	1,704	2,629
Data processing	5,598	5,317	16,315	15,931
Computer software	2,595	2,488	7,891	7,762
Amortization of intangibles	949	1,126	3,042	3,332
Legal fees	1,233	2,620	10,912	7,500
Merger expense	8	188	12	1,758
Postage and shipping	1,030	1,103	3,396	3,506
Other miscellaneous expense	12,993	16,632	42,582	42,958
Total other noninterest expense	$ 28,344	$ 39,603	$ 99,217	$ 107,805