ASSETS ACQUIRED IN FDIC-ASSISTED ACQUISITIONS (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Covered Loans [Line Items]
Transfer to covered other real estate owned	$ (4,473)	$ (4,160)	$ 0
Loans with Deterioration of Credit Quality [Member]
Covered Loans [Line Items]
Balance, beginning of year	271,279	390,237
Charge-offs, net of recoveries	(5,558)	(9,255)
Accretion	9,658	22,188
Transfer to covered other real estate owned	(7,910)	(13,650)
Transfer to purchased, non-covered loans due to loss-share expiration	(50,568)	(15,475)
Payments received	(79,372)	(102,996)
Other	0	230
Balance, ending of year	$ 137,529	$ 271,279	$ 390,237