LOANS AND ALLOWANCE FOR LOAN LOSSES (Troubled Debt Restructurings on Nonperforming Financing Receivables) (Details) - Nonperforming Troubled Debt Restructurings [Member] - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Financing Receivable, Modifications [Line Items]
Total nonperforming troubled debt restructurings	$ 4,871	$ 26,455
Commercial, financial and agricultural [Member]
Financing Receivable, Modifications [Line Items]
Total nonperforming troubled debt restructurings	35	243
Real estate construction and development [Member]
Financing Receivable, Modifications [Line Items]
Total nonperforming troubled debt restructurings	2,777	2,788
One-to-four-family residential [Member]
Financing Receivable, Modifications [Line Items]
Total nonperforming troubled debt restructurings	2,059	4,003
Multi-family residential [Member]
Financing Receivable, Modifications [Line Items]
Total nonperforming troubled debt restructurings	0	19,050
Commercial real estate [Member]
Financing Receivable, Modifications [Line Items]
Total nonperforming troubled debt restructurings	$ 0	$ 371