LOANS AND ALLOWANCE FOR LOAN LOSSES (Schedule of Acquired Loan Portfolio and Accretable Yield) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Carrying Amount of Loans
Balance at beginning of period			$ 4,565
Balance at end of period	105,788	3,622	4,565
Purchased Impaired [Member]
Accretable Yield
Balance at beginning of period	2,980	3,147
Additions	34,653
Accretion	(7,192)	(55)
Reclassification from nonaccretable difference	1,873
Other, net	(3,358)	(112)
Balance at end of period	28,956	2,980
Carrying Amount of Loans
Balance at beginning of period	3,622	4,565
Additions	145,454
Net reductions for payments, foreclosures, and accretion	(43,288)	(943)
Balance at end of period	$ 105,788	$ 3,622