LOANS AND ALLOWANCE FOR LOAN LOSSES (Schedule of Acquired Loan Portfolio and Accretable Yield) (Details) - Purchased Impaired [Member] - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Accretable Yield
Balance at beginning of period		$ 22,139	$ 28,956
Accretion		(1,390)	(1,501)
Reclassification from nonaccretable difference		1,266	2,695
Other non-credit changes, net	[1]	(1,510)	(5,619)
Balance at end of period		$ 20,505	$ 24,531

[1] This line item represents changes in the cash flows expected to be collected due to the impact of non-credit changes such as prepayment assumptions, changes in interest rates on variable rate PCI loans, and discounted payoffs that occurred in the quarter.