Quarterly report pursuant to Section 13 or 15(d)

Loans By Performance Status (Detail)

v2.4.0.6
Loans By Performance Status (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]    
Loans $ 2,022,589 $ 1,830,742
Commercial, financial and agricultural
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 856,823 799,464
Real estate - construction
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 148,486 151,218
Owner-occupied commercial
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 490,204 398,601
1-4 family mortgage
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 229,036 205,182
Other mortgage
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 254,295 235,251
Real estate - mortgage
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 973,535 839,034
Consumer
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 43,745 41,026
Performing
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 2,010,464 1,816,970
Performing | Commercial, financial and agricultural
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 856,367 798,285
Performing | Real estate - construction
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 140,971 141,155
Performing | Owner-occupied commercial
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 487,247 397,809
Performing | 1-4 family mortgage
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 228,568 204,512
Performing | Other mortgage
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 253,602 234,558
Performing | Real estate - mortgage
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 969,417 836,879
Performing | Consumer
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 43,709 40,651
Nonperforming
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 12,125 13,772
Nonperforming | Commercial, financial and agricultural
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 456 1,179
Nonperforming | Real estate - construction
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 7,515 10,063
Nonperforming | Owner-occupied commercial
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 2,957 792
Nonperforming | 1-4 family mortgage
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 468 670
Nonperforming | Other mortgage
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 693 693
Nonperforming | Real estate - mortgage
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 4,118 2,155
Nonperforming | Consumer
   
Financing Receivable, Recorded Investment [Line Items]    
Loans $ 36 $ 375