LOANS AND ALLOWANCE FOR LOAN LOSSES (Troubled Debt Restructurings On Performing Financing Receivables) (Details) (Performing Troubled Debt Restructurings [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Modifications [Line Items]
Total performing troubled debt restructurings	$ 80,619	$ 110,627
Commercial, financial and agricultural [Member]
Financing Receivable, Modifications [Line Items]
Total performing troubled debt restructurings	284	0
Real estate construction and development [Member]
Financing Receivable, Modifications [Line Items]
Total performing troubled debt restructurings	342	0
One-to-four-family residential [Member]
Financing Receivable, Modifications [Line Items]
Total performing troubled debt restructurings	76,228	78,153
Multi-family residential [Member]
Financing Receivable, Modifications [Line Items]
Total performing troubled debt restructurings	0	27,955
Commercial real estate [Member]
Financing Receivable, Modifications [Line Items]
Total performing troubled debt restructurings	$ 3,765	$ 4,519