LOANS AND ALLOWANCE FOR LOAN LOSSES (Composition of the Loan Portfolio) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial, financial and agricultural	$ 610,301	$ 725,195
Real estate construction and development	174,979	249,987
Real estate mortgage:
Real estate mortgage	2,060,131	2,255,332
Consumer and installment	19,262	23,596
Loans held for sale	66,133	31,111
Net deferred loan fees	(59)	(942)
Loans, net of net deferred loan fees	2,930,747	3,284,279	4,492,284
One-to-four-family residential
Real estate mortgage:
Real estate mortgage	986,767	902,438
Multi-family residential
Real estate mortgage:
Real estate mortgage	103,684	127,356
Loans, net of net deferred loan fees	103,684	127,356
Commercial real estate
Real estate mortgage:
Real estate mortgage	969,680	1,225,538
Loans, net of net deferred loan fees	$ 969,680	$ 1,225,538

Amount before allowance of installment and revolving loans issued to individuals, including, but not limited to credit card, automobile, boat, student, durable home appliance loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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+ Details

- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References+ Details

- Definition

Amount before allowance of loans issued to agricultural, commercial and industrial, and financial institutions. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans covered under loss sharing agreements.

+ References

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+ Details

- Definition

Amount before allowance of mortgage loans on existing land or building. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans covered under loss sharing agreements.

+ References+ Details

- Definition

The aggregate carrying amount of loans receivable that will be sold to other entities. Includes mortgage and all other loans (collectively, loans) not classified as held for investment. Such loans are stated at the lower of cost or market, or elected fair value. Mortgage loans exclude mortgage-backed securities which are considered a debt security (other loan).

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+ Details