Annual report pursuant to Section 13 and 15(d)

Loans By Past Due Status (Detail)

v2.4.0.6
Loans By Past Due Status (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Statement [Line Items]    
Past Due Status (Accruing Loans) 30-59 Days $ 4,223 $ 4,341
Past Due Status (Accruing Loans) 60-89 Days 411 84
Past Due Status (Accruing Loans) 90+ Days 8 0
Past Due Status (Accruing Loans) Total Past Due 4,642 4,425
Non-Accrual 10,350 13,772
Current 2,348,190 1,812,545
Total Loans 2,363,182 1,830,742
Commercial Financial and Agricultural Financing Receivable [Member]
    
Statement [Line Items]    
Past Due Status (Accruing Loans) 30-59 Days 1,699 0
Past Due Status (Accruing Loans) 60-89 Days 385 0
Past Due Status (Accruing Loans) 90+ Days 0 0
Past Due Status (Accruing Loans) Total Past Due 2,084 0
Non-Accrual 276 1,179
Current 1,028,630 798,285
Total Loans 1,030,990 799,464
Commercial Real Estate Construction Financing Receivable [Member]
    
Statement [Line Items]    
Past Due Status (Accruing Loans) 30-59 Days 0 2,234
Past Due Status (Accruing Loans) 60-89 Days 0 0
Past Due Status (Accruing Loans) 90+ Days 0 0
Past Due Status (Accruing Loans) Total Past Due 0 2,234
Non-Accrual 6,460 10,063
Current 151,901 138,921
Total Loans 158,361 151,218
Commercial Mortgage Loans Owner Occupied [Member]
    
Statement [Line Items]    
Past Due Status (Accruing Loans) 30-59 Days 1,480 0
Past Due Status (Accruing Loans) 60-89 Days 10 0
Past Due Status (Accruing Loans) 90+ Days 0 0
Past Due Status (Accruing Loans) Total Past Due 1,490 0
Non-Accrual 2,786 792
Current 563,765 397,809
Total Loans 568,041 398,601
One To Four Family Mortgage Loans [Member]
    
Statement [Line Items]    
Past Due Status (Accruing Loans) 30-59 Days 420 2,107
Past Due Status (Accruing Loans) 60-89 Days 16 0
Past Due Status (Accruing Loans) 90+ Days 0 0
Past Due Status (Accruing Loans) Total Past Due 436 2,107
Non-Accrual 453 670
Current 235,020 202,405
Total Loans 235,909 205,182
Other Real Estate Mortgage Loans [Member]
    
Statement [Line Items]    
Past Due Status (Accruing Loans) 30-59 Days 516 0
Past Due Status (Accruing Loans) 60-89 Days 0 0
Past Due Status (Accruing Loans) 90+ Days 0 0
Past Due Status (Accruing Loans) Total Past Due 516 0
Non-Accrual 240 693
Current 322,843 234,558
Total Loans 323,599 235,251
Residential Real Estate Mortgage Loans [Member]
    
Statement [Line Items]    
Past Due Status (Accruing Loans) 30-59 Days 2,416 2,107
Past Due Status (Accruing Loans) 60-89 Days 26 0
Past Due Status (Accruing Loans) 90+ Days 0 0
Past Due Status (Accruing Loans) Total Past Due 2,442 2,107
Non-Accrual 3,479 2,155
Current 1,121,628 834,772
Total Loans 1,127,549 839,034
Consumer Portfolio Segment [Member]
    
Statement [Line Items]    
Past Due Status (Accruing Loans) 30-59 Days 108 0
Past Due Status (Accruing Loans) 60-89 Days 0 84
Past Due Status (Accruing Loans) 90+ Days 8 0
Past Due Status (Accruing Loans) Total Past Due 116 84
Non-Accrual 135 375
Current 46,031 40,567
Total Loans $ 46,282 $ 41,026