BUSINESS COMBINATIONS (Details 5) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Schedule Of Covered Loans Acquired Accretable Discounts [Line Items]
Balance, beginning of year	$ 9,063	$ 15,578	$ 15,578
Accretion	(6,597)	(5,388)
Transfer from covered loans due to loss-share expiration	0	84	1,665
Transfers between non-accretable and accretable discounts, net	(453)	2,817	4,808
Balance, ending of year	6,363	12,060	9,063
Non Covered Loan [Member]
Schedule Of Covered Loans Acquired Accretable Discounts [Line Items]
Balance, beginning of year	771,554	674,239	674,239
Additions due to acquisitions	401,085	195,818	195,818
Transfer from covered loans due to loss-share expiration	0	15,462	50,568
Balance, ending of year	1,072,217	808,313	771,554
Discount Accretion [Member] | Non Covered Loan [Member]
Schedule Of Covered Loans Acquired Accretable Discounts [Line Items]
Balance, beginning of year	24,785	25,716	25,716
Additions due to acquisitions	9,991	4,686	5,788
Accretion	(6,597)	(5,388)	(10,590)
Transfer from covered loans due to loss-share expiration	0	0	1,665
Accretable discounts removed due to charge-offs	(11)	(1,685)	(1,768)
Transfers between non-accretable and accretable discounts, net	1,914	(1,007)	3,974
Balance, ending of year	$ 30,082	$ 22,322	$ 24,785