LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 5) (Nonperforming Troubled Debt Restructurings [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Financing Receivable, Modifications [Line Items]
Total nonperforming troubled debt restructurings	$ 38,245	$ 40,010
Commercial financial and agricultural [Member]
Financing Receivable, Modifications [Line Items]
Total nonperforming troubled debt restructurings	1,018	1,004
Real estate construction and development [Member]
Financing Receivable, Modifications [Line Items]
Total nonperforming troubled debt restructurings	25,097	26,557
One-to-four-family residential [Member]
Financing Receivable, Modifications [Line Items]
Total nonperforming troubled debt restructurings	7,526	7,105
Multi-family residential [Member]
Financing Receivable, Modifications [Line Items]
Total nonperforming troubled debt restructurings	2,415	2,482
Commercial real estate [Member]
Financing Receivable, Modifications [Line Items]
Total nonperforming troubled debt restructurings	$ 2,189	$ 2,862