ASSETS ACQUIRED IN FDIC-ASSISTED ACQUISITIONS (Details 3) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Business Combinations [Abstract]
Balance, beginning of the year	$ 15,578	$ 25,493	$ 25,493
Accretion	(8,105)	(20,822)	(22,188)
Transfer to purchased, non-covered loans due to loss-share expiration	(84)	0	0
Transfers between non-accretable and accretable discounts, net	3,312	16,070	12,273
Balance, ending of year	$ 10,701	$ 20,741	$ 15,578