BUSINESS COMBINATIONS (Details 5) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Schedule Of Covered Loans Acquired Accretable Discounts [Line Items]
Accretion	$ (13,284)	$ (10,590)	$ (9,745)
Non Covered Loan [Member]
Schedule Of Covered Loans Acquired Accretable Discounts [Line Items]
Balance, beginning of year	771,554	674,239
Additions due to acquisitions	401,638	195,818
Transfer from covered loans due to loss-share expiration	45,908	50,568
Balance, ending of year	1,011,031	771,554	674,239
Discount Accretion [Member] | Non Covered Loan [Member]
Schedule Of Covered Loans Acquired Accretable Discounts [Line Items]
Balance, beginning of year	24,785	25,716
Additions due to acquisitions	11,295	5,788
Accretion	(13,284)	(10,590)
Transfer from covered loans due to loss-share expiration	3,457	1,665
Accretable discounts removed due to charge-offs	(161)	(1,768)
Transfers between non-accretable and accretable discounts, net	2,035	3,974
Balance, ending of year	$ 28,127	$ 24,785	$ 25,716