Quarterly report pursuant to Section 13 or 15(d)

Loans By Past Due Status (Detail)

v2.4.0.6
Loans By Past Due Status (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Past Due Status (Accruing Loans) 30-59 Days $ 2,444 $ 4,341
Past Due Status (Accruing Loans) 60-89 Days 398 84
Past Due Status (Accruing Loans) 90+ Days      
Past Due Status (Accruing Loans) Total Past Due 2,842 4,425
Non-Accrual 12,125 13,772
Current 2,007,622 1,812,545
Total Loans 2,022,589 1,830,742
Commercial, financial and agricultural
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Past Due Status (Accruing Loans) 30-59 Days 469  
Past Due Status (Accruing Loans) 60-89 Days 7  
Past Due Status (Accruing Loans) 90+ Days      
Past Due Status (Accruing Loans) Total Past Due 476  
Non-Accrual 456 1,179
Current 855,891 798,285
Total Loans 856,823 799,464
Real estate - construction
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Past Due Status (Accruing Loans) 30-59 Days 1,925 2,234
Past Due Status (Accruing Loans) 90+ Days      
Past Due Status (Accruing Loans) Total Past Due 1,925 2,234
Non-Accrual 7,515 10,063
Current 139,046 138,921
Total Loans 148,486 151,218
Owner-occupied commercial
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Past Due Status (Accruing Loans) 90+ Days      
Non-Accrual 2,957 792
Current 487,247 397,809
Total Loans 490,204 398,601
1-4 family mortgage
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Past Due Status (Accruing Loans) 30-59 Days 16 2,107
Past Due Status (Accruing Loans) 60-89 Days 389  
Past Due Status (Accruing Loans) 90+ Days      
Past Due Status (Accruing Loans) Total Past Due 405 2,107
Non-Accrual 468 670
Current 228,163 202,405
Total Loans 229,036 205,182
Other mortgage
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Past Due Status (Accruing Loans) 90+ Days      
Non-Accrual 693 693
Current 253,602 234,558
Total Loans 254,295 235,251
Real estate - mortgage
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Past Due Status (Accruing Loans) 30-59 Days 16 2,107
Past Due Status (Accruing Loans) 60-89 Days 389  
Past Due Status (Accruing Loans) 90+ Days      
Past Due Status (Accruing Loans) Total Past Due 405 2,107
Non-Accrual 4,118 2,155
Current 969,012 834,772
Total Loans 973,535 839,034
Consumer
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Past Due Status (Accruing Loans) 30-59 Days 34  
Past Due Status (Accruing Loans) 60-89 Days 2 84
Past Due Status (Accruing Loans) 90+ Days      
Past Due Status (Accruing Loans) Total Past Due 36 84
Non-Accrual 36 375
Current 43,673 40,567
Total Loans $ 43,745 $ 41,026