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LOANS, NET (Recorded investment in nonaccrual loans and loans past due over 90 days and still on accrual by class of loans) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Recorded investment in nonaccrual loans and loans past due over 90 days and still on accrual by class of loans    
Nonaccrual $ 45,448 $ 64,222
90 + Days      
Nonaccrual Loans description Loans are generally placed on non-accrual status if principal or interest payments become 90 days past due and/or management deems the collectability of the principal and/or interest to be doubtful  
Commercial, Financial and Agricultural [Member]
    
Recorded investment in nonaccrual loans and loans past due over 90 days and still on accrual by class of loans    
Nonaccrual 880 1,069
90 + Days      
Real Estate-Construction [Member]
    
Recorded investment in nonaccrual loans and loans past due over 90 days and still on accrual by class of loans    
Nonaccrual 1,919 4,071
90 + Days      
Real Estate-Commercial Mortgage [Member]
    
Recorded investment in nonaccrual loans and loans past due over 90 days and still on accrual by class of loans    
Nonaccrual 26,707 41,045
90 + Days      
Real Estate-Residential [Member
    
Recorded investment in nonaccrual loans and loans past due over 90 days and still on accrual by class of loans    
Nonaccrual 10,665 13,429
90 + Days      
Real Estate-Home Equity [Member]
    
Recorded investment in nonaccrual loans and loans past due over 90 days and still on accrual by class of loans    
Nonaccrual 4,685 4,034
90 + Days      
Consumer [Member]
    
Recorded investment in nonaccrual loans and loans past due over 90 days and still on accrual by class of loans    
Nonaccrual 592 574
90 + Days