LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 5) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	$ 26,841	$ 17,949
Loans greater than 90 days past due and accruing	0	2
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	12,549	5,685
Loans greater than 90 days past due and accruing	0	0
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	4,933	4,594
Loans greater than 90 days past due and accruing	0	2
Construction and development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	1,657	1,692
Loans greater than 90 days past due and accruing	0	0
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	4,742	3,755
Loans greater than 90 days past due and accruing	0	0
Construction and development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	482	254
Loans greater than 90 days past due and accruing	0	0
Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	2,177	1,721
Loans greater than 90 days past due and accruing	0	0
Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	301	248
Loans greater than 90 days past due and accruing	$ 0	$ 0