Quarterly report pursuant to Section 13 or 15(d)

LOANS (Details Of Loans) (Detail)

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LOANS (Details Of Loans) (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans $ 2,590,192   $ 2,363,182      
Less allowance for loan losses (28,757) (27,679) (26,258) (23,239) (23,662) (22,030)
Loans, net 2,561,435   2,336,924      
Percentage of loan portfolio 100.00%   100.00%      
Commercial Financial and Agricultural Financing Receivable [Member]
           
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans 1,150,977   1,030,990      
Less allowance for loan losses (11,140) (8,951) (8,233) (6,511) (6,625) (6,627)
Percentage of loan portfolio 44.43%   43.63%      
Commercial Real Estate Construction Financing Receivable [Member]
           
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans 162,076   158,361      
Less allowance for loan losses (5,453) (6,642) (6,511) (7,582) (7,607) (6,542)
Percentage of loan portfolio 6.26%   6.70%      
Commercial Mortgage Loans Owner Occupied [Member]
           
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans 623,146   568,041      
Percentage of loan portfolio 24.06%   24.04%      
One To Four Family Mortgage Loans [Member]
           
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans 252,357   235,909      
Percentage of loan portfolio 9.74%   9.98%      
Other Real Estate Mortgage Loans [Member]
           
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans 359,923   323,599      
Percentage of loan portfolio 13.90%   13.69%      
Residential Real Estate Mortgage Loans [Member]
           
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans 1,235,426   1,127,549      
Less allowance for loan losses (6,039) (5,737) (4,912) (3,640) (3,893) (3,295)
Percentage of loan portfolio 47.70%   47.71%      
Consumer Portfolio Segment [Member]
           
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans 41,713   46,282      
Less allowance for loan losses $ (224) $ (164) $ (199) $ (285) $ (510) $ (531)
Percentage of loan portfolio 1.61%   1.96%