LOANS (Details 3) - Purchased Loans [Member] - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Schedule of Purchase Loans Acquired Accretable Discounts [Line Items]
Balance, beginning of year	$ 1,069,191	$ 909,083
Additions due to acquisitions	0	401,085
Balance, ending of year	950,499	1,193,635
Discount Accretion [Member]
Schedule of Purchase Loans Acquired Accretable Discounts [Line Items]
Balance, beginning of year	30,624	33,848
Additions due to acquisitions	0	9,991
Accretion	(6,165)	(8,844)
Accretable discounts removed due to charge-offs	(13)	(11)
Transfers between non-accretable and accretable discounts, net	807	1,461
Balance, ending of year	$ 25,253	$ 36,445