Quarterly report pursuant to Section 13 or 15(d)

LOANS (Loans By Credit Quality Indicator) (Detail)

v2.4.0.6
LOANS (Loans By Credit Quality Indicator) (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Statement [Line Items]    
Loans $ 2,462,154 $ 2,363,182
Commercial Financial and Agricultural Financing Receivable [Member]
   
Statement [Line Items]    
Loans 1,090,877 1,030,990
Commercial Real Estate Construction Financing Receivable [Member]
   
Statement [Line Items]    
Loans 162,190 158,361
Commercial Mortgage Loans Owner Occupied [Member]
   
Statement [Line Items]    
Loans 583,956 568,041
One To Four Family Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 244,242 235,909
Other Real Estate Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 340,631 323,599
Residential Real Estate Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 1,168,829 1,127,549
Consumer Portfolio Segment [Member]
   
Statement [Line Items]    
Loans 40,258 46,282
Pass [Member]
   
Statement [Line Items]    
Loans 2,359,434 2,262,448
Pass [Member] | Commercial Financial and Agricultural Financing Receivable [Member]
   
Statement [Line Items]    
Loans 1,059,426 1,004,043
Pass [Member] | Commercial Real Estate Construction Financing Receivable [Member]
   
Statement [Line Items]    
Loans 129,512 121,168
Pass [Member] | Commercial Mortgage Loans Owner Occupied [Member]
   
Statement [Line Items]    
Loans 570,069 555,536
Pass [Member] | One To Four Family Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 232,109 223,152
Pass [Member] | Other Real Estate Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 328,925 312,473
Pass [Member] | Residential Real Estate Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 1,131,103 1,091,161
Pass [Member] | Consumer Portfolio Segment [Member]
   
Statement [Line Items]    
Loans 39,393 46,076
Special Mention [Member]
   
Statement [Line Items]    
Loans 45,973 59,209
Special Mention [Member] | Commercial Financial and Agricultural Financing Receivable [Member]
   
Statement [Line Items]    
Loans 23,746 19,172
Special Mention [Member] | Commercial Real Estate Construction Financing Receivable [Member]
   
Statement [Line Items]    
Loans 5,911 22,771
Special Mention [Member] | Commercial Mortgage Loans Owner Occupied [Member]
   
Statement [Line Items]    
Loans 2,692 4,142
Special Mention [Member] | One To Four Family Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 5,816 6,379
Special Mention [Member] | Other Real Estate Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 7,100 6,674
Special Mention [Member] | Residential Real Estate Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 15,608 17,195
Special Mention [Member] | Consumer Portfolio Segment [Member]
   
Statement [Line Items]    
Loans 708 71
Substandard [Member]
   
Statement [Line Items]    
Loans 56,633 41,525
Substandard [Member] | Commercial Financial and Agricultural Financing Receivable [Member]
   
Statement [Line Items]    
Loans 7,591 7,775
Substandard [Member] | Commercial Real Estate Construction Financing Receivable [Member]
   
Statement [Line Items]    
Loans 26,767 14,422
Substandard [Member] | Commercial Mortgage Loans Owner Occupied [Member]
   
Statement [Line Items]    
Loans 11,195 8,363
Substandard [Member] | One To Four Family Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 6,317 6,378
Substandard [Member] | Other Real Estate Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 4,606 4,452
Substandard [Member] | Residential Real Estate Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 22,118 19,193
Substandard [Member] | Consumer Portfolio Segment [Member]
   
Statement [Line Items]    
Loans 157 135
Doubtful [Member]
   
Statement [Line Items]    
Loans 114 0
Doubtful [Member] | Commercial Financial and Agricultural Financing Receivable [Member]
   
Statement [Line Items]    
Loans 114 0
Doubtful [Member] | Commercial Real Estate Construction Financing Receivable [Member]
   
Statement [Line Items]    
Loans 0 0
Doubtful [Member] | Commercial Mortgage Loans Owner Occupied [Member]
   
Statement [Line Items]    
Loans 0 0
Doubtful [Member] | One To Four Family Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 0 0
Doubtful [Member] | Other Real Estate Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 0 0
Doubtful [Member] | Residential Real Estate Mortgage Loans [Member]
   
Statement [Line Items]    
Loans 0 0
Doubtful [Member] | Consumer Portfolio Segment [Member]
   
Statement [Line Items]    
Loans $ 0 $ 0