Annual report pursuant to Section 13 and 15(d)

LOANS (Analysis of Allowance For Loan Losses By Portfolio Segment) (Detail)

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LOANS (Analysis of Allowance For Loan Losses By Portfolio Segment) (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Allowance For Loan Losses      
Balance, beginning of year $ 26,258 $ 22,030 $ 18,077
Chargeoffs (9,012) (5,755) (5,653)
Recoveries 409 883 634
Provision 13,008 9,100 8,972
Balance, end of year 30,663 26,258 22,030
Individually Evaluated for Impairment 6,270 3,511  
Collectively Evaluated for Impairment 24,393 22,747  
Ending Balance 2,858,868 2,363,182  
Individually Evaluated for Impairment 31,966 37,394  
Collectively Evaluated for Impairment 2,826,902 2,325,788  
Commercial Financial and Agricultural Financing Receivable [Member]
      
Allowance For Loan Losses      
Balance, beginning of year 8,233 6,627  
Chargeoffs (1,932) (1,106)  
Recoveries 66 125  
Provision 4,803 2,587  
Balance, end of year 11,170 8,233  
Individually Evaluated for Impairment 1,992 577  
Collectively Evaluated for Impairment 9,178 7,656  
Ending Balance 1,278,649 1,030,990  
Individually Evaluated for Impairment 3,827 3,910  
Collectively Evaluated for Impairment 1,274,822 1,027,080  
Commercial Real Estate Construction Financing Receivable [Member]
      
Allowance For Loan Losses      
Balance, beginning of year 6,511 6,542  
Chargeoffs (4,829) (3,088)  
Recoveries 296 58  
Provision 3,831 2,999  
Balance, end of year 5,809 6,511  
Individually Evaluated for Impairment 1,597 1,013  
Collectively Evaluated for Impairment 4,212 5,498  
Ending Balance 151,868 158,361  
Individually Evaluated for Impairment 9,238 14,422  
Collectively Evaluated for Impairment 142,630 143,939  
Residential Real Estate Mortgage Loans [Member]
      
Allowance For Loan Losses      
Balance, beginning of year 4,912 3,295  
Chargeoffs (2,041) (660)  
Recoveries 36 692  
Provision 4,588 1,585  
Balance, end of year 7,495 4,912  
Individually Evaluated for Impairment 1,982 1,921  
Collectively Evaluated for Impairment 5,513 2,991  
Ending Balance 1,380,389 1,127,549  
Individually Evaluated for Impairment 18,202 18,927  
Collectively Evaluated for Impairment 1,362,187 1,108,622  
Consumer Portfolio Segment [Member]
      
Allowance For Loan Losses      
Balance, beginning of year 199 531  
Chargeoffs (210) (901)  
Recoveries 11 8  
Provision 855 561  
Balance, end of year 855 199  
Individually Evaluated for Impairment 699 0  
Collectively Evaluated for Impairment 156 199  
Ending Balance 47,962 46,282  
Individually Evaluated for Impairment 699 135  
Collectively Evaluated for Impairment 47,263 46,147  
Qualitative Factors (Member)
      
Allowance For Loan Losses      
Balance, beginning of year 6,403 5,035  
Chargeoffs 0 0  
Recoveries 0 0  
Provision (1,069) 1,368  
Balance, end of year 5,334 6,403  
Individually Evaluated for Impairment 0 0  
Collectively Evaluated for Impairment 5,334 6,403  
Ending Balance 0 0  
Individually Evaluated for Impairment 0 0  
Collectively Evaluated for Impairment $ 0 $ 0