BUSINESS COMBINATIONS (Details 4) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Transfers to purchased non-covered other real estate owned	$ (4,473)	$ (4,160)	$ 0
Non Covered Loan [Member]
Balance, beginning of year	674,239	448,753
Charge-offs, net of recoveries	(991)	(84)
Additions due to acquisitions	195,818	279,441
Accretion	10,590	9,745
Transfers to purchased non-covered other real estate owned	(4,473)	(4,160)
Transfer from covered loans due to loss share expiration	50,568	15,475
Payments received	(154,666)	(74,931)
Other	469	0
Balance, ending of year	$ 771,554	$ 674,239	$ 448,753