BUSINESS COMBINATIONS (Details 4) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Transfers to purchased non-covered other real estate owned	$ (4,419)	$ (4,473)	$ (4,160)
Non Covered Loan [Member]
Balance, beginning of year	771,554	674,239
Charge-offs	(1,066)	(991)
Additions due to acquisitions	401,638	195,818
Accretion	13,284	10,590
Transfers to purchased non-covered other real estate owned	(4,419)	(4,473)
Transfer from covered loans due to loss-share expiration	45,908	50,568
Payments received	(215,958)	(154,666)
Other	90	469
Balance, ending of year	$ 1,011,031	$ 771,554	$ 674,239