ASSETS ACQUIRED IN FDIC-ASSISTED ACQUISITIONS (Details 4) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Business Combinations [Abstract]
Beginning balance	$ 6,301	$ 31,351	$ 31,351
Payments received from FDIC	(4,165)	(12,539)	(19,273)
Amortization, net	(2,737)	(5,393)	(8,878)
Changes in clawback liability	(345)	(1,057)	(2,008)
Net charge-offs on covered loans	(929)	1,955	416
Write downs of covered other real estate	774	2,206	4,752
Reimbursable expenses on covered assets	429	1,866	2,582
Other activity, net	(1,225)	(3,432)	(2,641)
Ending balance	$ 0	$ 14,957	$ 6,301