OTHER NONINTEREST REVENUE AND EXPENSE (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Other noninterest revenue [Abstract]
Bank-owned life insurance	$ 1,835	$ 1,885	$ 3,734	$ 3,733
Other miscellaneous income	2,684	3,305	6,025	6,584
Total other noninterest income	4,519	5,190	9,759	10,317
Other noninterest expense [Abstract]
Amortization of bond issue cost	12	12	24	24
Advertising	1,686	1,331	2,467	1,963
Foreclosed property expense	1,625	4,202	3,596	6,757
Telecommunications	1,897	2,258	3,819	4,506
Public relations	653	857	1,223	1,679
Data processing	5,324	5,384	10,717	10,614
Computer software	2,690	2,851	5,296	5,274
Amortization of intangibles	1,061	1,148	2,093	2,206
Legal fees	1,998	3,002	9,679	4,880
Merger expense	4	1,010	4	1,570
Postage and shipping	1,194	1,116	2,366	2,403
Other miscellaneous expense	13,454	13,593	29,589	26,326
Total other noninterest expense	$ 31,598	$ 36,764	$ 70,873	$ 68,202