ASSETS ACQUIRED IN FDIC-ASSISTED ACQUISITIONS (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Covered Loans [Line Items]
Transfers to covered other real estate owned	$ (4,419)	$ (4,473)	$ (4,160)
Loans with Deterioration of Credit Quality [Member]
Covered Loans [Line Items]
Balance, beginning of year	137,529	271,279
Charge-offs, net of recoveries	(2,510)	(5,558)
Accretion	3,353	9,658
Transfers to covered other real estate owned	(2,810)	(7,910)
Transfer to purchased non-covered loans due to loss-share expiration	(45,908)	(50,568)
Payments received	(31,494)	(79,372)
Balance, ending of year	$ 58,160	$ 137,529	$ 271,279